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OptiX RTN 950 Radio Transmission System
V100R002C00
Feature Description
Issue 02
Date 2009-10-30
HUAWEI TECHNOLOGIES CO., LTD.
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Copyright Huawei Technologies Co., Ltd. 2009-2009. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior written
consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and the
customer. All or part of the products, services and features described in this document may not be within the
purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,and recommendations in this document are provided "AS IS" without warranties, guarantees or representations
of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute the warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: [email protected]
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About This Document
Purpose
This document describes the key functions of the OptiX RTN 950 equipment in terms of the
basic information, availability and configuration methods. A configuration example is used to
illustrate each function.
Related Versions
The following table lists the product versions related to this document.
Product Name Version
OptiX RTN 950 V100R002C00
iManager U2000 V100R001C00
Intended Audience
The intended audience of this document are:
l Network Planning Engineer
l Installation and Commissioning Engineer
l Data Configuration Engineer
l System Maintenance Engineer
Organization
This document is organized as follows.
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Chapter Description
1 Introduction to the DCN The network management system (NMS) communicates
with a transmission network element (NE) through the data
communication network (DCN) to manage and maintain
the NE.
2 HWECC Solution Using the HWECC solution, NEs use unified DCCs to
transmit the data of the HWECC protocol. In this manner,
the NMS can manage NEs.
3 IP over DCC Solution Using the IP over DCC solution, NEs use unified DCCs to
transmit the data of the TCP/IP protocol. In this manner, the
NMS can manage NEs. The IP over DCC solution applies
to a network that is comprised of the OptiX transmission
equipment and the third-party equipment that supports the
IP over DCC function. This solution can be adopted when
the equipment in the center of the network needs to providean NM message transmission path over IP for the NE at the
edge of the network.
4 OSI over DCC solution Using the OSI over DCC solution, NEs use unified DCCs
to transmit the data of the TCP/OSI protocol. In this manner,
the NMS manages NEs. The OSI over DCC solution applies
to a network that is comprised of the OptiX equipment and
the third-party equipment that supports the OSI over DCC
function.
5 DCC Transparent
Transmission Solution
Using the DCC transparent transmission solution, vendors
use different DCCs to transmit data. In this manner,communication of NM messages is realized when the
vendors' equipment is used together with third-party
equipment to form a network.
6 DCC Transparent
Transmission Through the
External Clock Interface
Solution
Using the DCC transparent transmission through the
external clock interface solution, DCC bytes are placed in
a specified E1 and then transmitted through third-party
network. In this case, the transmission bandwidth of one E1
is occupied. Hence, this solution is adopted only when a
PDH network or a network that does not support transparent
transmission of DCC bytes exists on the transmission path
of NM messages.
7 Inband DCN Solution With the inband DCN solution, certain service bandwidths
are used to transmit the NM message between the NEs. This
solution is applicable when the network is comprised of the
OptiX RTN 950 equipment and the OptiX packet
transmission equipment.
8 1+1 HSB The 1+1 HSB is a configuration mode of 1+1 protection. In
1+1 HSB protection mode, the equipment provides a 1+1
hot standby configuration for the IF board and ODU at the
two ends of each hop of a radio link to realize the protection.
About This Document
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Chapter Description
9 1+1 FD The 1+1 FD is a configuration mode of 1+1 protection. In
1+1 FD protection mode, the system uses two channels that
have a frequency spacing between them, to transmit and
receive the same service signal. The opposite end selects
the signal from the two received signals. With the 1+1 FD
protection, the impact of the fading on signal transmission
is reduced.
10 1+1 SD In 1+1 SD protection mode, the system uses two antennas
that have a space distance between them, to receive the same
RF signals. The equipment then selects a signal from the
two received RF signals. With the 1+1 SD protection, the
impact of the fading on signal transmission is reduced.
11 Cross-Polarization
Interference Cancellation
The cross-polarization interference cancellation (XPIC)
technology is used together with the co-channel dual-polarization (CCDP) technology. The application of the two
technologies doubles the transmission capacity with
channel conditions unchanged.
12 N+1 Protection The N+1 protection refers to the protection scheme in which
N working channels in a microwave direction share one
protection channel. When the N+1 protection is configured,
the transmission bandwidth in a microwave direction
increases and is protected.
13 Automatic Transmit
Power Control
The automatic transmit power control (ATPC) function is
an important function of a radio transmission system. TheATPC function reduces the interference of a transmitter to
adjacent systems and also reduces the residual bit error rate.
14 Adaptive Modulation he main feature of the Hybrid microwave is the adaptive
modulation (AM) function.
15 Subnetwork Connection
Protection
The subnetwork connection protection (SNCP) scheme
protects the services that are transmitted across subnets. The
subnetwork can be a chain, a ring, or a more complex
network.
16 Linear Multiplex Section
Protection
The linear multiplex section protection (MSP) switching is
applicable to point-to-point physical networks. The linearMSP provides protection for the services between two
nodes at the multiplex section level.
17 Ethernet Ring Protection
Switching
The Ethernet ring protection switching (ERPS) is
applicable to ring physical networks. The ERPS protects
Ethernet services from an owner node to the other nodes on
a ring.
18 MSTP The Multiple Spanning Tree Protocol (MSTP) is a type of
spanning tree protocols. The MSTP is compatible with the
STP and RSTP, and the defects in the STP and RSTP are
fixed in the MSTP.
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Chapter Description
19 IGMP Snooping If the multicast router exists in a network, the bridge can
enable the IGMP Snooping protocol to realize the multicast
function with the operation of the router.
20 Link Aggregation Group Link aggregation allows multiple links that are attached to
the same equipment to be aggregated together to form a link
aggregation group (LAG) so that the bandwidth is increased
and the reliability of the links is improved. The aggregated
links can be considered as a single logical link.
21 Link State Pass Through The link state pass through (LPT) is used to detect the faults
that occur at the service access node and in the intermediate
transmission network. The LPT notifies the equipment that
accesses the service of starting the backup link at the earliest
time for communication, thus making sure the normal
transmission of the important data.
22 QoS The quality of service (QoS) refers to the ability of a
communication network to ensure the expected service
quality in the aspects of the bandwidth, delay, delay jitter,
and packet loss ratio, and thus to ensure that the request and
response from the user or the request and response from the
application meet the requirements of an expected service
class.
23 ETH-OAM The ETH-OAM detects and monitors the connectivity and
performance of the service trail by using the Ethernet
OAMPDU. During the detection and monitoring, theservices are not affected.
24 Synchronous Ethernet The synchronous Ethernet technology realizes the transfer
of the clock signal through the Ethernet interface so that the
clock frequencies of the equipment are synchronous.
25 Remote Network
Monitoring
The remote network monitoring (RMON) feature is used to
monitor the data traffic on a network segment or on an entire
network. Currently, the RMON standard is one of the most
widely applied network management standards.
A Task Collection This task collection contains all the network management
system (NMS) operation tasks related to the productfeatures.
B Parameters Description This topic describes the parameters used in this document.
C Glossary Terms are listed in an alphabetical order.
D Acronyms and
Abbreviations
Acronyms and abbreviations are listed in alphabetical
order.
About This Document
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Conventions
Symbol Conventions
The following symbols may be found in this document. They are defined as follows.
Symbol Description
Indicates a hazard with a high level of risk which, if not
avoided, will result in death or serious injury.
Indicates a hazard with a medium or low level of risk which,
if not avoided, could result in minor or moderate injury.
Indicates a potentially hazardous situation that, if not
avoided, could cause equipment damage, data loss, and
performance degradation, or unexpected results.
Provides additional information to emphasize or
supplement important points of the main text.
Indicates a tip that may help you solve a problem or save
your time.
General Conventions
Convention Description
Times New Roman Normal paragraphs are in Times New Roman.
Boldface Names of files, directories, folders, and users are in boldface. For
example, log in as userroot.
Italic Book titles are in italics.
Courier New Terminal display is in Courier New.
GUI Conventions
Convention Description
Boldface Buttons, menus, parameters, tabs, window, and dialog titles are in
boldface. For example, clickOK.
> Multi-level menus are in boldface and separated by the ">" signs. For
example, choose File > Create > Folder.
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Keyboard Operation
Format Description
Key Press the key. For example, press Enter and press Tab.
Key 1+Key 2 Press the keys concurrently. For example, pressing Ctrl+Alt+Ameans the
three keys should be pressed concurrently.
Key 1, Key 2 Press the keys in turn. For example, pressing Alt, A means the two keys
should be pressed in turn.
Mouse Operation
Action Description
Click Select and release the primary mouse button without moving the pointer.
Double-click Press the primary mouse button twice continuously and quickly without
moving the pointer.
Drag Press and hold the primary mouse button and move the pointer to a certain
position.
Update HistoryUpdates between document versions are cumulative. Therefore, the latest document version
contains all updates made to previous versions.
Updates in Issue 02 (2009-10-30) Based on Product Version V100R002
This document is the second release of the V100R002 version.
The updated contents are as follows.
Update Location Description
C Glossary Certain terms are added.
D Acronyms and Abbreviations Certain abbreviations and acronyms are
added.
Updates in Issue 01 (2009-06-30) Based on Product Version V100R002
This document is the first release of the V100R002 version.
About This Document
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Contents
About This Document...................................................................................................................iii
1 Introduction to the DCN...........................................................................................................1-1
1.1 Constitution of the DCN................................................................................................................................. 1-2
1.2 Huawei DCN Solution.................................................................................................................................... 1-31.3 Protocol Converter Solution............................................................................................................................1-5
2 HWECC Solution.......................................................................................................................2-1
2.1 Feature Description.........................................................................................................................................2-3
2.2 Basic Concept..................................................................................................................................................2-3
2.2.1 HWECC Protocol Stack.........................................................................................................................2-4
2.2.2 Extended ECC........................................................................................................................................2-6
2.3 Availability......................................................................................................................................................2-9
2.4 Relation with Other Features.........................................................................................................................2-10
2.5 Realization Principle.....................................................................................................................................2-102.5.1 Establishing ECC Routes.....................................................................................................................2-10
2.5.2 Packet Transfer.....................................................................................................................................2-12
2.5.3 Extended ECC......................................................................................................................................2-13
2.6 Configuration Flow.......................................................................................................................................2-14
2.7 Configuration Example.................................................................................................................................2-16
2.7.1 Networking Diagram............................................................................................................................2-16
2.7.2 Service Planning...................................................................................................................................2-17
2.7.3 Configuration Process..........................................................................................................................2-18
2.8 Task Collection.............................................................................................................................................2-21
2.9 Relevant Alarms and Events.........................................................................................................................2-21
2.10 FAQs...........................................................................................................................................................2-22
3 IP over DCC Solution................................................................................................................3-1
3.1 Feature Description.........................................................................................................................................3-3
3.2 Basic Concept..................................................................................................................................................3-3
3.2.1 IP over DCC Protocol Stack...................................................................................................................3-3
3.2.2 NMS Access Modes...............................................................................................................................3-6
3.3 Availability......................................................................................................................................................3-7
3.4 Relation with Other Features...........................................................................................................................3-8
3.5 Realization Principle.......................................................................................................................................3-8
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3.6 Configuration Flow.........................................................................................................................................3-9
3.7 Configuration Example.................................................................................................................................3-11
3.7.1 Networking Diagram............................................................................................................................3-12
3.7.2 Service Planning...................................................................................................................................3-12
3.7.3 Configuration Process..........................................................................................................................3-13
3.8 Task Collection.............................................................................................................................................3-16
3.9 Relevant Alarms and Events.........................................................................................................................3-16
3.10 FAQs...........................................................................................................................................................3-17
4 OSI over DCC solution.............................................................................................................4-1
4.1 Feature Description.........................................................................................................................................4-3
4.2 Basic Concept..................................................................................................................................................4-3
4.2.1 OSI over DCC Protocol Stack....................................................... .........................................................4-3
4.2.2 NMS Access Modes...............................................................................................................................4-7
4.3 Availability......................................................................................................................................................4-8
4.4 Relation with Other Features...........................................................................................................................4-9
4.5 Realization Principle.......................................................................................................................................4-9
4.6 Configuration Flow.......................................................................................................................................4-11
4.7 Configuration Example.................................................................................................................................4-13
4.7.1 Networking Diagram............................................................................................................................4-13
4.7.2 Service Planning...................................................................................................................................4-14
4.7.3 Configuration Process..........................................................................................................................4-15
4.8 Task Collection.............................................................................................................................................4-17
4.9 Relevant Alarms and Events.........................................................................................................................4-18
4.10 FAQs...........................................................................................................................................................4-18
5 DCC Transparent Transmission Solution.............................................................................5-1
5.1 Feature Description.........................................................................................................................................5-3
5.2 Availability......................................................................................................................................................5-5
5.3 Relation with Other Features...........................................................................................................................5-5
5.4 Realization Principle.......................................................................................................................................5-5
5.5 Configuration Flow.........................................................................................................................................5-6
5.6 Configuration Example...................................................................................................................................5-8
5.6.1 Networking Diagram......................................................................................................... .....................5-8
5.6.2 Service Planning....................................................................................... ..............................................5-9
5.6.3 Configuration Process..........................................................................................................................5-10
5.7 Task Collection.............................................................................................................................................5-12
5.8 Relevant Alarms and Events.........................................................................................................................5-12
5.9 FAQs.............................................................................................................................................................5-13
6 DCC Transparent Transmission Through the External Clock Interface Solution........6-1
6.1 Feature Description.........................................................................................................................................6-3
6.2 Availability......................................................................................................................................................6-4
6.3 Relation with Other Features...........................................................................................................................6-4
Contents
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6.4 Realization Principle.......................................................................................................................................6-4
6.5 Configuration Procedure.................................................................................................................................6-5
6.6 Configuration Example...................................................................................................................................6-6
6.6.1 Networking Diagram..............................................................................................................................6-6
6.6.2 Service Planning.....................................................................................................................................6-7
6.6.3 Configuration Process............................................................................................................................6-7
6.7 Task Collection............................................................................................................................................... 6-8
6.8 Relevant Alarms and Events...........................................................................................................................6-9
6.9 FAQs............................................................................................................................................................... 6-9
7 Inband DCN Solution...............................................................................................................7-1
7.1 Feature Description.........................................................................................................................................7-3
7.2 Basic Concept..................................................................................................................................................7-3
7.2.1 Inband DCN Protocol Stack...................................................................................................................7-3
7.2.2 NMS Access Modes...............................................................................................................................7-5
7.3 Availability......................................................................................................................................................7-6
7.4 Relation with Other Features...........................................................................................................................7-6
7.5 Realization Principle.......................................................................................................................................7-6
7.6 Configuration Flow.........................................................................................................................................7-8
7.7 Configuration Example...................................................................................................................................7-9
7.7.1 Networking Diagram..............................................................................................................................7-9
7.7.2 Service Planning...................................................................................................................................7-10
7.7.3 Configuration Process..........................................................................................................................7-11
7.8 Task Collection.............................................................................................................................................7-137.9 Relevant Alarms and Events.........................................................................................................................7-13
7.10 FAQs...........................................................................................................................................................7-14
8 1+1 HSB........................................................................................................................................8-1
8.1 Feature Description.........................................................................................................................................8-3
8.2 Basic Concepts................................................................................................................................................8-3
8.2.1 System Configuration.............................................................................................................................8-4
8.2.2 Protection Type......................................................................................................................................8-4
8.2.3 Switching Conditions.............................................................................................................................8-5
8.2.4 Switching Impact....................................................................................................................................8-88.3 Availability......................................................................................................................................................8-8
8.4 Relation with Other Features...........................................................................................................................8-8
8.5 Realization Principle.......................................................................................................................................8-9
8.5.1 SDH/PDH Microwave............................................................................................................................8-9
8.5.2 Hybrid Microwave...............................................................................................................................8-11
8.6 Configuration Procedure...............................................................................................................................8-14
8.7 Configuration Example.................................................................................................................................8-14
8.7.1 Networking Diagram............................................................................................................................8-15
8.7.2 Service Planning...................................................................................................................................8-15
8.7.3 Configuration Process..........................................................................................................................8-16
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8.8 Task Collection.............................................................................................................................................8-18
8.9 Relevant Alarms and Events.........................................................................................................................8-18
8.10 FAQs...........................................................................................................................................................8-18
9 1+1 FD...........................................................................................................................................9-19.1 Feature Description.........................................................................................................................................9-3
9.2 Basic Concepts................................................................................................................................................9-3
9.2.1 System Configuration.............................................................................................................................9-4
9.2.2 Protection Type......................................................................................................................................9-5
9.2.3 Switching Conditions.............................................................................................................................9-5
9.2.4 Switching Impact....................................................................................................................................9-9
9.3 Availability......................................................................................................................................................9-9
9.4 Relation with Other Features...........................................................................................................................9-9
9.5 Realization Principle.....................................................................................................................................9-10
9.5.1 SDH/PDH Microwave..........................................................................................................................9-10
9.5.2 Hybrid Microwave...............................................................................................................................9-12
9.6 Configuration Process...................................................................................................................................9-16
9.7 Configuration Example.................................................................................................................................9-16
9.7.1 Networking Diagram............................................................................................................................9-16
9.7.2 Service Planning...................................................................................................................................9-17
9.7.3 Configuration Process..........................................................................................................................9-18
9.8 Task Collection.............................................................................................................................................9-19
9.9 Relevant Alarms and Events.........................................................................................................................9-20
9.10 FAQs...........................................................................................................................................................9-20
10 1+1 SD.......................................................................................................................................10-1
10.1 Feature Description.....................................................................................................................................10-3
10.2 Basic Concepts............................................................................................................................................10-3
10.2.1 System Configuration.........................................................................................................................10-4
10.2.2 Protection Type..................................................................................................................................10-4
10.2.3 Switching Conditions.........................................................................................................................10-5
10.2.4 Switching Impact................................................................................................................................10-9
10.3 Availability................................................................................................................................................10-10
10.4 Relation with Other Features.....................................................................................................................10-1010.5 Realization Principle.................................................................................................................................10-10
10.5.1 SDH/PDH Microwave......................................................................................................................10-11
10.5.2 Hybrid Microwave...................................................................................... .....................................10-13
10.6 Configuration Procedure...........................................................................................................................10-17
10.7 Configuration Example.............................................................................................................................10-18
10.7.1 Networking Diagram........................................................................................................................10-18
10.7.2 Service Planning...............................................................................................................................10-18
10.7.3 Configuration Process......................................................................................................................10-20
10.8 Task Collection.........................................................................................................................................10-21
10.9 Relevant Alarms and Events.....................................................................................................................10-21
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10.10 FAQs.......................................................................................................................................................10-22
11 Cross-Polarization Interference Cancellation...................................................................11-1
11.1 Feature Description.....................................................................................................................................11-3
11.2 Basic Concepts............................................................................................................................................11-311.2.1 CCDP and XPIC.................................................................................................................................11-4
11.2.2 System Configuration.........................................................................................................................11-5
11.3 Availability..................................................................................................................................................11-6
11.4 Relation with Other Features.......................................................................................................................11-6
11.5 Realization Principle...................................................................................................................................11-8
11.6 Configuration Procedure.............................................................................................................................11-9
11.7 Configuration Example.............................................................................................................................11-10
11.7.1 Networking Diagram........................................................................................................................11-11
11.7.2 Service Planning...............................................................................................................................11-12
11.7.3 Configuration Process......................................................................................................................11-15
11.8 Task Collection.........................................................................................................................................11-17
11.9 Relevant Alarms and Events.....................................................................................................................11-17
11.10 FAQs.......................................................................................................................................................11-18
12 N+1 Protection........................................................................................................................12-1
12.1 Feature Description.....................................................................................................................................12-3
12.2 Basic Concepts............................................................................................................................................12-3
12.2.1 System Configuration (SDH Microwave)..........................................................................................12-4
12.2.2 System Configuration (Hybrid Microwave)......................................................................................12-8
12.2.3 Protection Mode...............................................................................................................................12-12
12.2.4 Switching Condition.........................................................................................................................12-12
12.2.5 Switching Impact..............................................................................................................................12-15
12.3 Availability................................................................................................................................................12-15
12.4 Relation with Other Features.....................................................................................................................12-16
12.5 Realization Principle.................................................................................................................................12-16
12.5.1 SDH Microwave...............................................................................................................................12-16
12.5.2 Hybrid Microwave...................................................................................... .....................................12-18
12.6 Configuration Procedure...........................................................................................................................12-21
12.7 Configuration Example.............................................................................................................................12-25
12.7.1 Networking Diagram........................................................................................................................12-26
12.7.2 Service Planning...............................................................................................................................12-26
12.7.3 Configuration Process......................................................................................................................12-31
12.8 Task Collection.........................................................................................................................................12-36
12.9 Relevant Alarms and Performance Events................................................................................................12-36
12.10 FAQs.......................................................................................................................................................12-37
13 Automatic Transmit Power Control...................................................................................13-1
13.1 Feature Description.....................................................................................................................................13-2
13.2 Availability..................................................................................................................................................13-3
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13.3 Relation with Other Features.......................................................................................................................13-3
13.4 Realization Principle...................................................................................................................................13-3
13.5 Configuration Procedure.............................................................................................................................13-5
13.6 Configuration Example...............................................................................................................................13-6
13.6.1 Networking Diagram..........................................................................................................................13-6
13.6.2 Service Planning.................................................................................................................................13-7
13.6.3 Configuration Process........................................................................................................................13-8
13.7 Task Collection........................................................................................................................................... 13-8
13.8 Relevant Alarms and Events.......................................................................................................................13-9
13.9 FAQs........................................................................................................................................................... 13-9
14 Adaptive Modulation............................................................................................................14-1
14.1 Feature Description.....................................................................................................................................14-2
14.2 Availability..................................................................................................................................................14-3
14.3 Relation with Other Features.......................................................................................................................14-4
14.4 Realization Principle...................................................................................................................................14-4
14.5 Configuration Procedure.............................................................................................................................14-6
14.6 Configuration Example...............................................................................................................................14-6
14.6.1 Networking Diagram..........................................................................................................................14-7
14.6.2 Service Planning.................................................................................................................................14-7
14.6.3 Configuration Process........................................................................................................................14-8
14.7 Task Collection........................................................................................................................................... 14-9
14.8 Relevant Alarms and Events.....................................................................................................................14-10
14.9 FAQs.........................................................................................................................................................14-10
15 Subnetwork Connection Protection...................................................................................15-1
15.1 Feature Description.....................................................................................................................................15-3
15.2 Basic Concepts............................................................................................................................................15-3
15.2.1 Protection Type..................................................................................................................................15-4
15.2.2 SNCP Service Pair............................................................................................................................. 15-4
15.2.3 Hold-Off Time....................................................................................................................................15-5
15.2.4 Switching Conditions.........................................................................................................................15-8
15.2.5 Switching Impact..............................................................................................................................15-12
15.3 Availability................................................................................................................................................15-1215.4 Relation with Other Features.....................................................................................................................15-12
15.5 Realization Principle.................................................................................................................................15-13
15.6 Configuration Procedure...........................................................................................................................15-14
15.7 Configuration Example.............................................................................................................................15-14
15.7.1 Networking Diagram........................................................................................................................15-14
15.7.2 Service Planning...............................................................................................................................15-15
15.7.3 Configuration Process......................................................................................................................15-17
15.8 Task Collection.........................................................................................................................................15-21
15.9 Relevant Alarms and Events.....................................................................................................................15-22
15.10 FAQs.......................................................................................................................................................15-22
Contents
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16 Linear Multiplex Section Protection...................................................................................16-1
16.1 Feature Description.....................................................................................................................................16-3
16.2 Basic Concepts............................................................................................................................................16-4
16.2.1 Protection Type..................................................................................................................................16-4
16.2.2 Meanings of K Bytes..........................................................................................................................16-6
16.2.3 Switching Conditions.........................................................................................................................16-8
16.2.4 Switching Impact..............................................................................................................................16-10
16.3 Availability................................................................................................................................................16-10
16.4 Relation with Other Features.....................................................................................................................16-10
16.5 Realization Principle.................................................................................................................................16-10
16.5.1 1+1 Linear MSP...............................................................................................................................16-11
16.5.2 1:N Linear MSP...............................................................................................................................16-12
16.6 Configuration Procedure...........................................................................................................................16-14
16.7 Configuration Example.............................................................................................................................16-14
16.7.1 Networking Diagram........................................................................................................................16-14
16.7.2 Service Planning...............................................................................................................................16-15
16.7.3 Configuration Process......................................................................................................................16-16
16.8 Task Collection.........................................................................................................................................16-17
16.9 Relevant Alarms and Events.....................................................................................................................16-17
16.10 FAQs.......................................................................................................................................................16-18
17 Ethernet Ring Protection Switching...................................................................................17-1
17.1 Feature Description.....................................................................................................................................17-3
17.2 Basic Concepts......................................................................... ...................................................................17-4
17.2.1 Protection Instance.............................................................................................................................17-5
17.2.2 Protection Type..................................................................................................................................17-6
17.2.3 R-APS Message..................................................................................................................................17-6
17.2.4 R-APS Timer.......................................................................... ............................................................17-8
17.2.5 Switching Condition.................................................................................. .........................................17-9
17.2.6 Switching Impact..............................................................................................................................17-11
17.3 Availability................................................................................................................................................17-11
17.4 Relation with Other Features.....................................................................................................................17-12
17.5 Realization Principle.................................................................................................................................17-12
17.6 Configuration Procedure...........................................................................................................................17-15
17.7 Configuration Example.............................................................................................................................17-16
17.7.1 Networking Diagram........................................................................................................................17-16
17.7.2 Service Planning...............................................................................................................................17-17
17.7.3 Configuration Process......................................................................................................................17-18
17.8 Task Collection.........................................................................................................................................17-19
17.9 Relevant Alarms and Events.....................................................................................................................17-19
17.10 FAQs.......................................................................................................................................................17-19
18 MSTP........................................................................................................................................18-1
18.1 Feature Description.....................................................................................................................................18-3
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18.2 Basic Concepts............................................................................................................................................18-6
18.3 Availability..................................................................................................................................................18-9
18.4 Relation with Other Features.......................................................................................................................18-9
18.5 Realization Principle...................................................................................................................................18-9
18.6 Configuration Procedure...........................................................................................................................18-12
18.7 Configuration Example.............................................................................................................................18-13
18.7.1 Networking Diagram........................................................................................................................18-13
18.7.2 Service Planning...............................................................................................................................18-14
18.7.3 Configuration Process......................................................................................................................18-15
18.8 Task Collection.........................................................................................................................................18-16
18.9 Relevant Alarms and Events.....................................................................................................................18-17
18.10 FAQs.......................................................................................................................................................18-17
19 IGMP Snooping......................................................................................................................19-1
19.1 Feature Description.....................................................................................................................................19-3
19.2 Basic Concepts............................................................................................................................................19-5
19.3 Availability..................................................................................................................................................19-6
19.4 Relation with Other Features.......................................................................................................................19-6
19.5 Realization Principle...................................................................................................................................19-6
19.6 Configuration Procedure.............................................................................................................................19-8
19.7 Configuration Example...............................................................................................................................19-9
19.7.1 Networking Diagram..........................................................................................................................19-9
19.7.2 Service Planning...............................................................................................................................19-10
19.7.3 Configuration Process......................................................................................................................19-1019.8 Task Collection.........................................................................................................................................19-11
19.9 Relevant Alarms and Events.....................................................................................................................19-12
19.10 FAQs.......................................................................................................................................................19-12
20 Link Aggregation Group......................................................................................................20-1
20.1 Feature Description.....................................................................................................................................20-3
20.2 Basic Concepts............................................................................................................................................20-3
20.2.1 LAG Types.........................................................................................................................................20-4
20.2.2 Port Types.......................................................................................................................................... 20-5
20.2.3 Switching Condition...........................................................................................................................20-520.2.4 Switching Impact................................................................................................................................20-6
20.3 Availability..................................................................................................................................................20-6
20.4 Relation with Other Features.......................................................................................................................20-6
20.5 Realization Principle...................................................................................................................................20-7
20.6 Configuration Procedure...........................................................................................................................20-10
20.7 Configuration Example.............................................................................................................................20-12
20.7.1 Networking Diagram........................................................................................................................20-12
20.7.2 Service Planning...............................................................................................................................20-12
20.7.3 Configuration Process......................................................................................................................20-13
20.8 Task Collection.........................................................................................................................................20-14
Contents
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20.9 Relevant Alarms and Events.....................................................................................................................20-14
20.10 FAQs.......................................................................................................................................................20-14
21 Link State Pass Through.......................................................................................................21-1
21.1 Feature Description.....................................................................................................................................21-221.2 Availability..................................................................................................................................................21-2
21.3 Relation with Other Features.......................................................................................................................21-3
21.4 Realization Principle...................................................................................................................................21-3
21.5 Configuration Procedure.............................................................................................................................21-4
21.6 Configuration Example...............................................................................................................................21-4
21.6.1 Networking Diagram..........................................................................................................................21-5
21.6.2 Service Planning.................................................................................................................................21-5
21.6.3 Configuration Process........................................................................................................................21-6
21.7 Task Collection...........................................................................................................................................21-6
21.8 Relevant Alarms and Events.......................................................................................................................21-6
21.9 FAQs...........................................................................................................................................................21-6
22 QoS............................................................................................................................................22-1
22.1 Feature Description.....................................................................................................................................22-3
22.2 Basic Concepts............................................................................................................................................22-4
22.2.1 DiffServ..............................................................................................................................................22-5
22.2.2 Flow Classification.............................................................................................................................22-6
22.2.3 CAR....................................................................................................................................................22-7
22.2.4 Traffic Shaping...................................................................................................................................22-8
22.2.5 Queue Scheduling..............................................................................................................................22-9
22.2.6 QoS Model.......................................................................................................................................22-12
22.3 Availability................................................................................................................................................22-14
22.4 Relation with Other Features.....................................................................................................................22-14
22.5 Realization Principle.................................................................................................................................22-15
22.5.1 CAR..................................................................................................................................................22-15
22.5.2 Traffic Shaping.................................................................................................................................22-16
22.6 Configuration Procedure...........................................................................................................................22-17
22.7 Configuration Example.............................................................................................................................22-18
22.7.1 Networking Diagram........................................................................................................................22-19
22.7.2 Service Planning...............................................................................................................................22-19
22.7.3 Configuration Process......................................................................................................................22-22
22.8 Task Collection.........................................................................................................................................22-31
22.9 Relevant Alarms and Events.....................................................................................................................22-31
22.10 FAQs.......................................................................................................................................................22-31
23 ETH-OAM................................................................................................................................23-1
23.1 Feature Description.....................................................................................................................................23-3
23.2 Basic Concepts............................................................................................................................................23-4
23.2.1 IEEE 802.1ag OAM Management ....................................................................................................23-5
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23.2.2 IEEE 802.1ag OAM Operation .........................................................................................................23-7
23.2.3 IEEE 802.3ah OAM Operations.........................................................................................................23-8
23.3 Availability................................................................................................................................................23-10
23.4 Relation with Other Features.....................................................................................................................23-11
23.5 Realization Principle.................................................................................................................................23-11
23.5.1 IEEE 802.1ag OAM.........................................................................................................................23-11
23.5.2 IEEE 802.3ah OAM.........................................................................................................................23-15
23.6 Configuration Procedure...........................................................................................................................23-24
23.6.1 802.1ag OAM...................................................................................................................................23-24
23.6.2 IEEE 802.3ah OAM.........................................................................................................................23-28
23.7 Application Example (802.1ag OAM)......................................................................................................23-30
23.7.1 Networking Diagram........................................................................................................................23-30
23.7.2 Service Planning...............................................................................................................................23-31
23.7.3 Configuration Process......................................................................................................................23-3323.8 Application Example (802.3ah OAM)......................................................................................................23-36
23.8.1 Networking Diagram........................................................................................................................23-37
23.8.2 Service Planning...............................................................................................................................23-37
23.8.3 Configuration Process......................................................................................................................23-38
23.9 Task Collection.........................................................................................................................................23-39
23.9.1 Task Collection(802.1ag OAM).......................................................................................................23-40
23.9.2 Task Collection (802.3ah OAM)......................................................................................................23-40
23.10 Relevant Alarms and Events...................................................................................................................23-40
23.11 FAQs.......................................................................................................................................................23-41
24 Synchronous Ethernet...........................................................................................................24-1
24.1 Feature Description.....................................................................................................................................24-3
24.2 Availability..................................................................................................................................................24-3
24.3 Relation with Other Features.......................................................................................................................24-4
24.4 Realization Principle...................................................................................................................................24-4
24.5 Configuration Procedure.............................................................................................................................24-5
24.6 Application Example...................................................................................................................................24-5
24.6.1 Networking Diagram..........................................................................................................................24-5
24.6.2 Service Planning.................................................................................................................................24-6
24.6.3 Configuration Process........................................................................................................................24-7
24.7 Task Collection...........................................................................................................................................24-7
24.8 Relevant Alarms and Events.......................................................................................................................24-8
24.9 FAQs...........................................................................................................................................................24-8
25 Remote Network Monitoring..............................................................................................25-1
25.1 Feature Description.....................................................................................................................................25-3
25.2 Basic Concepts............................................................................................................................................25-3
25.2.1 SNMP.................................................................................................................................................25-4
25.2.2 RMON Management Groups.............................................................................................................25-4
25.2.3 List ofRMON Alarm Entries.............................................................................................................25-6
Contents
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25.2.4 List of RMON Performance Entries...................................................................................................25-7
25.3 Availability..................................................................................................................................................25-8
25.4 Relation with Other Features.......................................................................................................................25-9
25.5 Realization Principle...................................................................................................................................25-9
25.6 Configuration Procedure...........................................................................................................................25-10
25.7 Configuration Example.............................................................................................................................25-11
25.7.1 Networking Diagram........................................................................................................................25-11
25.7.2 Troubleshooting Analysis................................................................................................................25-12
25.7.3 Troubleshooting Flow......................................................................................................................25-12
25.8 Task Collection.........................................................................................................................................25-13
25.9 Relevant Alarms and Events.....................................................................................................................25-13
25.10 FAQs.......................................................................................................................................................25-14
A Task Collection.........................................................................................................................A-1
A.1 Managing NEs...............................................................................................................................................A-3
A.1.1 Creating NEs by Using the Search Method..........................................................................................A-3
A.1.2 Creating NEs by Using the Manual Method........................................................................................A-5
A.1.3 Configuring the Logical Board.............................................................................................................A-6
A.1.4 Changing the NE ID.............................................................................................................................A-8
A.1.5 Changing the NE Name........................................................................................................................A-8
A.1.6 Synchronizing the NE Time.................................................................................................................A-9
A.1.7 Configuring Standard NTP Keys........................................................................................................A-12
A.1.8 Localizing the NE Time.....................................................................................................................A-13
A.2 Managing Communications.........................................................................................................................A-14
A.2.1 SettingNE Communication Parameters.............................................................................................A-15
A.2.2 Configuring DCCs..............................................................................................................................A-16
A.2.3 Configuring the Extended ECC..........................................................................................................A-17
A.2.4 Configuring DCC Transparent Transmission.....................................................................................A-17
A.2.5 Creating Static IP Routes....................................................................................................................A-18
A.2.6 Setting Parameters of the OSPF Protocol...........................................................................................A-19
A.2.7 Enabling the ARP Proxy....................................................................................................................A-19
A.2.8 Configuring the CLNS Role...............................................................................................................A-20
A.2.9 Configuring the OSI Tunnel...............................................................................................................A-21A.2.10 Setting the VLAN ID and Bandwidth Used by an Inband DCN......................................................A-22
A.2.11 Configuring the Enable Status of the Inband DCN Function on Ports.............................................A-22
A.2.12 Querying ECC Routes......................................................................................................................A-23
A.2.13 Querying IP Routes..........................................................................................................................A-24
A.2.14 Querying OSI Routes..........................