Catalyst 4500 Bootcamp - Cisco · 2 x Linecard Slots 1 x Fan Tray Integrated Voice Power 96 Ports...

Catalyst 4500 Bootcamp

Chapter 1: ArchitectureFebruary 2009

Richard Licon

Technical Marketing Engineer

© 2009 Cisco Systems, Inc. All rights reserved. Cisco Confidential4500 Bootcamp 1

Campus Switching Solutions Technology Group

AgendaAgenda

Chassis Specifications

Chassis Architecture

Power Supplies

Supervisor Specifications

Supervisor Architecture

Line Card Specifications

Line Card Architecture

Packet Walk


Catalyst 4500 E Series Chassis FamilyNew E Series chassis designed to support higher bandwidth per slot line cards

Catalyst 4500 E‐Series Chassis Family

WS‐C4507R‐E7 slot chassisWith Redundant

WS‐C4510R‐E10 slot chassis withRedundant supervisors

Supervisorsp

WS‐C4503‐E3 slot chassisWith single

WS‐C4506‐E6 slot chassisWith Single

Supervisor supervisor

C t l t 4500 “E” S i Ch iCatalyst 4500 “E” Series Chassis Backward

compatible with all line cards and

Maximum Inline Power (PoE)

per line card slot ‐

24 Gbps/slot capacity with Sup6‐E; Capable of

Up to 384 Access Ports ;

Dual Non‐Blocking


line cards and supervisors

per line card slot ‐1440 W

Capable of 48 Gbps/Slot

Dual Non‐Blocking 10GbE Uplinks

Catalyst 4503 E Series Chassis Specifications

Supervisor Support:

Catalyst 4503 E‐Series Chassis Specifications

SupII+, SupII+TS, SupII+10GESupIV, SupV, SupV‐10GE, & Sup6‐E

Single Supervisor Slot (Slot 1)2 x Power Supplies2 x Power Supplies2 x Linecard Slots1 x Fan Tray

Integrated Voice PowerIntegrated Voice Power

96 Ports 10/100/1000 + 2 Uplinks116 Ports 10/100/1000 with SupIl+TS*

Dimensions:Dimensions:Rack Units: 7RUHeight: 12.25”Width: 17.31”Depth: 12 50”

PID: WS‐C4503‐EDepth: 12.50

Minimum Software Requirement:Cisco IOS 12.2(37)SG Cisco IOS 12.2(37)SG –– Classic SupsClassic SupsCisco IOS 12.2(40)SG Cisco IOS 12.2(40)SG –– Sup6Sup6‐‐EE* SupII+TS Only Supported in 3 slot chassis


( )( ) pp* SupII+TS Only Supported in 3 slot chassis

Catalyst 4506 E Series Chassis Specifications

Supervisor Support:

Catalyst 4506 E‐Series Chassis Specifications

Supervisor Support: SupII+, SupII+10GESupIV, SupV, SupV‐10GE, & Sup6‐E

Single Supervisor Slot (Slot 1)Single Supervisor Slot (Slot 1)2 x Power Supplies 5 x Linecard Slots1 x Fan Tray

Integrated Voice Power

240 Ports 10/100/1000 + 2 Uplinks

Dimensions:Rack Units: 10RUHeight: 17.38”Width: 17.31”Depth: 12.50”ept 50

Minimum Software Requirement:Cisco IOS 12.2(37)SG Cisco IOS 12.2(37)SG –– Classic SupsClassic SupsCisco IOS 12.2(40)SG Cisco IOS 12.2(40)SG –– Sup6Sup6‐‐EE

PID: WS‐C4506‐E


Catalyst 4507R E Series Chassis SpecificationsCatalyst 4507R E‐Series Chassis Specifications

Supervisor Support: SupII+ SupII+10GESupII+, SupII+10GESupIV, SupV, SupV‐10GE, & Sup6‐E

Redundant Supervisor Slots (Slots 3 & 4)2 x Power Supplies2 x Power Supplies5 x Linecard Slots1 x Fan TrayRedundant Clock ModuleRedundant Fabric ModuleRedundant Fabric Module


240 Ports 10/100/1000 + 2 Uplinks

Dimensions:Rack Units: 11RUHeight: 19.19”Width: 17.31”

PID: WS‐C4507R‐E

dt 3Depth: 12.50”

Minimum Software Requirement:Cisco IOS 12.2(37)SG Cisco IOS 12.2(37)SG –– Classic SupsClassic Sups


Cisco IOS 12.2(40)SG Cisco IOS 12.2(40)SG –– Sup6Sup6‐‐EE

Catalyst 4510R E Series Chassis SpecificationsCatalyst 4510R E‐Series Chassis Specifications

Supervisor Support:p ppSupV, SupV‐10GE, & Sup6‐E

Redundant Supervisors (Slots 5 & 6)2 x Power Supplies8 Li d Sl8 x Linecard Slots1 x Fan TrayRedundant Clock ModuleRedundant Fabric Module


384 Ports 10/100/1000 + 2 Uplinks

Dimensions:Dimensions:Rack Units: 11RUHeight: 19.19”Width: 17.31”D th 12 50”Depth: 12.50”

Minimum Software Requirement:Cisco IOS 12.2(37)SG Cisco IOS 12.2(37)SG –– Classic SupervisorsClassic SupervisorsCisco IOS 12 2(40)SGCisco IOS 12 2(40)SG –– Sup6Sup6‐‐EE


PID: WS‐C4510R‐E

Cisco IOS 12.2(40)SG Cisco IOS 12.2(40)SG Sup6Sup6 EE

AgendaAgenda



Power Supplies





Packet Walk


Catalyst 4500 ArchitectureCentralized Architecture

Catalyst 4500 Architecture

Shared memory switchPassive Backplane

All forwarding queuing security isCPU / SDRAM

All forwarding, queuing, security is implemented on the Supervisor

The individual line cards are d d b ‘ ’

Forwarding EngineFFE /VFE

considered to be ‘transparent’Contain simple “stub” ASICs and the PHYs

/

Shared Memory FabricPPE / IPP

No local switching

Each classic line card has 6 Gbps (full duplex) connections to the central forwarding engine

Each E‐Series line card has 24 Gbps (full duplex) connection to the

Line Card Line Card Line Card Line Card Line Card


( p )central forwarding engine

Catalyst 4510R E Chassis Backplane

Requires SupV, SupV‐10GE, Or

Catalyst 4510R‐E Chassis Backplane

EEPROMPS 1 PS 2

10 Gig Connectors Supervisor V

Supervisor 6‐E

24 or 6 Gbps

24 or 6 Gbps

24 or 6 Gbps

96 Gbps of fabric capacity

92 Gbps to line cards + 4 x 1Gbps shared between sups

Slot ten operates as a flex‐slot and will support 2 x 1GEor WAN

an Tray

24 or 6 Gbps

Supervisors

Supervisor

Redundant ClockModule

Supervisor V‐10GE 136 Gbps of fabric capacity

96 Gbps to line cards + 8 x 1Gbps shared between sups

‘or’

Fa

24 or 6 Gbps

6 Gbps

6 Gbps

p or

96 Gbps to line cards + 2 x 20 Gbps shared between sups

Supervisor 6‐E320 Gbps of fabric capacity

b l d ( l d l )6 Gbps

6 Gbps

Fabric RedundancyModules

120 Gbps to E‐Series line cards (Slots 1‐4 and Slot 7)

18 Gbps to Classic line cards (Slots 8 ‐ 10)

20 Gbps shared between sups for 10GbE uplinks


Full Capacity for Tenth Slot requires SupV‐10GE or Sup6‐E

Catalyst 4507R E Chassis Backplane4507R‐E Backplane Specs:

Catalyst 4507R‐E Chassis Backplane

EEPROMPS 1 PS 2 Dual data or data + voice PSUs

Integrated inline power

24 or 6 Gbps

24 or 6 Gbps

10 Gig Connectors Redundant clock

Chassis EEPROM stores system MAC addresses

an Tray

24 or 6 Gbps

Supervisor

Supervisor

24 or 6 Gbps

Redundant ClockModule

addresses

Fan tray for system cooling

NEBS level threeFa

24 or 6 Gbps

24 or 6 Gbps

24 or 6 Gbps

F b i R d d

NEBS level three

Chassis configurationSlot 1,2,5‐7—Line card slots

Fabric RedundancyModules Slot 3—Supervisor engine (no line cards)

Slots 4—Redundant supervisor engine (no line cards)


Fabric redundancy modules on backplane enable redundancy support with existing line cards

Classic & E Series Line Card SlotsClassic & E‐Series Line Card Slots

Classic Chassis ‐ Bandwidth per Sloti i h b i Classic Chassis ‐ Bandwidth per Slot6 dedicated lanes to Supervisor

Each lane operates at 1 Gbps

O l t Cl i li d

Supervisor Switch Fabric

bps

bps

bps

bps

bps

bps

Only supports Classic line cards

E‐Series Chassis – Bandwidth per Slot

1 Gb

1 Gb

1 Gb

1 Gb

1 Gb

1 Gb

Classic Line Card8 dedicated uplink lanes to Supervisor

Each lane runs at variable speeds

‘when’Classic line cards are inserted ‐6 lanes operate at 1 Gbps

Supervisor Switch Fabric

bps

bps

bps

bps

bps

bps

bps

bps

‘when’E‐Series line cards are inserted ‐

3 Gb

3 Gb

3 Gb

3 Gb

3 Gb

3 Gb

3 Gb

3 Gb

E‐Series Line Card


8 lanes operate at 3 Gbps

AgendaAgenda



Power Supplies





Packet Walk


Catalyst 4500 Power Supplies DataCatalyst 4500 Power Supplies ‐ Data

Data Only Deployments3, 6, and 7 Slot Chassis

PWR‐C45‐1000AC1000W AC Data Only

Power Supply

, ,Cisco IOS 12.1(12c)EWHeat Dissipation: 943 BTU/hr12A @ 100V or 5A @ 240V

PWR‐C45‐1400DC1400W Triple Input DC

Data Only DeploymentsDesigned for 10 Slot Chassis

1400W Triple Input DCPower Supply

Data Only Deployments

PWR‐C45‐1400AC1400W AC Data Only

Power Supply

Designed for 10 Slot ChassisCisco IOS 12.2(18)EWHeat Dissipation: 1048 BTU/hr16A @ 100V or 7A @ 240V

Data Only DeploymentsService Provider

Cisco IOS 12.2(25)EWHeat Dissipation: 1048 BTU/hr

Three Low Current Inputs to Reduce Cost


Three Low Current Inputs to Reduce CostTwo ‐48VDC @ 15AOne ‐48VDC @ 12.5 A

Catalyst 4500 Power Supplies PoE + DataCatalyst 4500 Power Supplies – PoE + Data

Entry Level PoE Power Supply3,6, and 7 slot Chassis Mid‐Range PoE Power Supply

S t d i All Ch i T

PWR‐C45‐2800ACV2800W AC Data + Voice

Power Supply


Power Supply

Cisco IOS 12.1(12c)EWData Max: 1000WPoE Max: 800WTotal Power: 1300WHeat Dissipation: 1568 BTU/hr

Supported in All Chassis TypesCisco IOS 12.1(12c)EWData Max: 1400WPoE Max: 1400WTotal Power: 1400WHeat Dissipation: 1568 BTU/hr

16A @ 100V or 7A @ 240VTotal Power: 1400WHeat Dissipation: 2387 BTU/hr16A @ 200V

High End PoE Power SupplySupported in All Chassis Types High End PoE Power Supply


Power Supply

PWR‐C45‐1400DC‐P1400W DC Data + Voice

Power Supply

Supported in All Chassis TypesCisco IOS 12.1(13)EWHeat Dissipation: 2905 BTU/hrPoE Max: Up to 7500WData: 31A @ ‐60VDC

Supported in All Chassis TypesCisco IOS 12.2EWData Max: 1400WPoE Max: 3700WTotal Power: 4200W


Power SupplyInline: 180A @ ‐48VDC Total Power: 4200W

Heat Dissipation: 3580 BTU/hrTwo 12A @ 100V orTwo 12A @ 200V

Catalyst 4500 Power Supplies Power Shelf

External AC Power Shelf

Catalyst 4500 Power Supplies – Power Shelf

External AC Power Shelf

High Density PoE Deployments2500W PS

Used with 1400‐WDC‐P PS

AC Power Shelves can be StrappedProvides up to 7500W DC Power

StrappedShelves

2500W AC Data + VoiceSh lf

PWR‐4502

Provides up to 7500W DC Power

Cisco IOS 12.1(13)EW

Power Shelf Integrated PoE: 2500W Per PSData: 1400WMax Power: 7500W

Heat Dissipation: 1210 BTU/hrPer 2500W Power Supply


PWR‐C45‐1400DC‐P1400W DC Data + Voice

Power Supply

15A @ 200V

Catalyst 4500 Power Configuration Modes

S2

Catalyst 4500 Power Configuration Modes

Redundant Mode (default) Combined ModeRedundant Mode (default)

Redundant reserves half the available power per supply in case of

Combined Mode

Combines and provides the total il bl f b th li tavailable power per supply in case of

a failure and is only available with two supplies

available power from both supplies to the system If a failure occurs, the system evaluates current power requirementsrequirements

C4500-E#show power suppliesPower supplies needed by system : 1

C4500-E#show power suppliesPower supplies needed by system : 2

Both Power Supplies

Power supplies needed by system : 1 Power supplies needed by system : 2

Must Be the Same Type in Either Configuration

Mode


AgendaAgenda



Power Supplies





Packet Walk


Basic Layer 3 SupervisorsBasic Layer 3 Supervisors

Supervisor IISupervisor II‐‐Plus Plus Supervisor IISupervisor II‐‐PlusPlus‐‐TS TS Supervisor IISupervisor II‐‐PlusPlus‐‐10GE 10GE

Bandwidth: 64 GbpsThroughput: 48 Mpps

l k b


l k b ( )


l k b bUplinks: 2 x GbECPU: 266 MHzDRAM: 256 MBNumber of Routes: 32K FIB EntriesQoS / Security Entries: 32K

Uplinks: 8 x GbE (SFP) & 12 x 10/100/1000 PoE

CPU: 266 MHzDRAM: 256 MBNumber of Routes: 32K FIB Entries

Uplinks: 4 x GbE & 2 x 10GbECPU: 667 MHzDRAM: 256 MB / 512 MBNumber of Routes: 32K FIB EntriesQoS / Security Entries: 32KQoS / Security Entries: 32K

Input / Output Policers: 512/512Supported in 3,6,7 Slot Chassis

Number of Routes: 32K FIB EntriesQoS / Security Entries: 32KInput / Output Policers: 512/512Supported in 3 Slot Chassis Only

QoS / Security Entries: 32KInput / Output Policers: 512/512Supported in 3,6,7 Slot Chassis

Basic L2/L3/L4 ServicesRIP, Static Routes, EIGRP Stub


Classic Line Cards OnlySupported in Both “E” and Non “E‐Series” Chassis

Enhanced Layer 3 SupervisorsEnhanced Layer 3 Supervisors

Supervisor VSupervisor V 10GE10GESupervisor IVSupervisor IV Supervisor VSupervisor V


l k b


l k b


l k b b

Supervisor VSupervisor V‐‐10GE 10GE Supervisor IVSupervisor IV Supervisor VSupervisor V

Uplinks: 2 x GbECPU: 333 MHzDRAM: 512 MBNumber of Routes: 128K FIB EntriesQoS / Security Entries: 64K

Uplinks: 2 x GbE CPU: 400 MHzDRAM: 512 MBNumber of Routes: 128K FIB EntriesQoS / Security Entries: 64K

Uplinks: 4 x GbE & 2 x 10GbECPU: 800 MHzDRAM: 512 MBNumber of Routes: 128K FIB EntriesQoS / Security Entries: 64KQoS / Security Entries: 64K

Input / Output Policers: 1K/1KOptional Netflow Daughter CardSupported in 3,6,7 Slot Chassis

QoS / Security Entries: 64KInput / Output Policers: 1K/1KOptional Netflow Daughter CardSupported in 3,6,7, and 10 Slot Chassis

QoS / Security Entries: 64KInput / Output Policers: 8K/8KIntegrated Netflow ASICSupported in 3,6,7, and 10 Slot Chassis

Full L2/L3/L4 ServicesBGP, OSPF, IS‐IS, EIGRP, VRF‐Lite, PBR


Classic Line Cards OnlySupported in Both “E” and Non “E‐Series” Chassis

Supervisor 6 E

WS‐X45‐Sup6‐E

Supervisor 6‐E

Bandwidth: 320 Gbps Throughput: 250 Mpps (IPv4)Throughput: 250 Mpps (IPv4)

125 Mpps (IPv6)Uplinks: 2 x 10GbE or 4 x GbE SFPs via TwinGig ModuleCPU: 1.33 GHzDRAM: 512 MB (Default) / 1 GB (Upgradeable)Number of Routes: 256K FIB Entries (1 GB SDRAM)64K Ingress Security / QoS Entries64K Egress Security / QoS EntriesInput / Output Policers: 16K / 16KSupported in 3 6 7 and 10 Slot Chassis – E‐Series & ClassicDual Purpose Uplink Ports Supported in 3,6,7 and 10 Slot Chassis E‐Series & ClassicE‐Series & Classic line card SupportNew image type: cat4500e‐entservices‐mz

Dual Purpose Uplink PortsTwo 10 GbE or Four 1 GbEwith Twin Gig Module

Full L2/L3/L4 ServicesBGP OSPF PBR EIGRP VRF Lite


BGP, OSPF, PBR, EIGRP, VRF‐LiteIPv6 in Hardware

Catalyst 4500 Supervisor RolesCatalyst 4500 Supervisor Roles

Basic Layer 3 SupervisorsIP Base – cat4500e‐ipbase

EIGRP‐Stub, RIPv2, Static Routes

SiSi SiSi Enhanced Layer 3 SupervisorsEnterprise Services‐ cat4500e‐entservices

SiSiSiSi

BGP, EIGRP, OSPF, IS‐IS, VRF‐Lite, PBR, IPX, Appletalk

Two major classes of SupervisorsSiSiSiSi Two major classes of SupervisorsBasic Layer 3 Supervisors & Enhanced Layer 3 Supervisors

Difference is largely a question of Hardware Capacity &

SiSiSiSi

Software Features

All Supervisors support enhanced L2/3/4 services, e.g., QoS, Security, Intelligent PoE


AgendaAgenda



Power Supplies





Packet Walk


Classic Supervisor Block DiagramIngress

Security / QoSACLs

Forwarding Tables

Classic Supervisor Block Diagram

CPUPacket Memory STP Memory ICC

TCAMFLC

TCAMCPU FPGA

FWD MemoryPLD

FWD Memory1

FWD Memory2

PPE (Packet Processing Engine)

ASIC

FFE(Fast Forwarding Engine)

ASICPTD

Fabric Ports

OCCTCAM

DBL Memory

MulticastExpansion TableQueue Memory

EgressSecurity / QoS

ACLs


Congestion Avoidance

Supervisor 6 E Board LayoutSupervisor 6‐E Board Layout

CPUIPP CPU

VFEXGStubXGStub XGStubXGStub


Supervisor 6 E Board Layout ComponentsSupervisor 6‐E Board Layout ‐ ComponentsBackplane ConnectorsBackplane Connectors

CPUIPP CPUPacket Packet MemoryMemory

Packet Packet MemoryMemory

VFEXGStubXGStub

TCAMsTCAMsSDRAMSDRAM

XGStubXGStubTCAMsTCAMs

TCAMsTCAMs


Supervisor 6 E Block DiagramIngress

Security / QoSACLs

Forwarding Tables

Supervisor 6‐E ‐ Block Diagram

CPUPacket Memory STP Memory ICC

TCAMFLC

TCAMCPU FPGA

FWD MemoryPLD

FWD Memory1

FWD Memory2

IPP (Intelligent Packet Processor)

ASIC

VFE (Very Fast Forwarding Engine)

ASICPTD

Fabric Ports

OCCTCAM

DBL Mem RETQueue Memory

EgressSecurity / QoS

ACLs


Congestion Avoidance

Supervisor 6 E CPU SubsystemSupervisor 6‐E ‐ CPU Subsystem

CPU System SDRAM

CPU Sub‐System

CPU FPGA

Packet MemorySwitching Sub‐System



PLDFabric Ports

(Intelligent Packet Processor)ASIC

(Very Fast Forwarding Engine)ASICPTD


AgendaAgenda



Power Supplies





Packet Walk


E Series Line Cards 24 Gbps Slot CapacityE‐Series Line Cards – 24 Gbps Slot Capacity

WS‐X4648‐RJ45V‐E10/100/1000 802.3af PoE 48‐port (RJ‐45) Module

2:1 OversubscribedCi R l 12 2(40)SG

WS‐X4606‐X2‐Eb h

Up to 6 Ports 10GbE X2 or12 Ports 1GbE SFP via TwinGig Converter Module48‐port (RJ‐45) Module Cisco Release 12.2(40)SG

Capable of 20W Per PortPremium Module ‐

Capable of 30W Per PortL2‐L4 Jumbo Frame Support

6‐port 10 Gigabit EthernetX2 Module

gTwinGig Modules used in groups of three” ports 1‐3 or ports 4‐6Cisco IOS 12.2(40)SGIEEE 802.3L2 L4 Jumbo Frame Support

(up to 9216 bytes) IEEE 802.3af

Cisco Prestandard802.3x flow controlEi h 6

L2‐L4 Jumbo Frame Support6 Ports 10GbE (2.5:1)

24 Port SFP Pluggables:GLC‐BX‐D, GLC‐BX‐U, GLC‐SX‐MM, GLC‐ZX‐SM, GLC‐T, CWDM, and DWDM

Eight 6‐port groups ‐3 Gbps per port group (2:1)

WS‐X4624‐SFP‐EGigabit Ethernet Fiber

Functionally Transparent

Cisco IOS Release 12.2(44)SGL2‐L4 Jumbo Frame SupportLine Rate – Non‐Blocking

WS‐X4648‐RJ45V+E10/100/1000 802.3af Premium PoE

48 port (RJ 45) Module

24‐port Module (SFP)


Functionally TransparentSupported in E‐Series ChassisSupported with Sup6‐E Only

48‐port (RJ‐45) Module

Classic Line Cards: Gigabit Ethernet Copper PoEClassic Line Cards: Gigabit Ethernet Copper ‐ PoE

WS X4524 GB RJ45V

24 Port – 4:1 OversubscribedSix 4‐port groups, providing 1 Gbps Per Port‐GroupCi IOS 12 2(20)EWWS‐X4524‐GB‐RJ45V

10/100/1000 PoE IEEE 802.3af 24 Ports (RJ‐45) Module

Cisco IOS 12.2(20)EW

48 Port – 8:1 OversubscribedSix 8‐port groups, providing 1 Gbps Per Port‐Group

WS‐X4506‐GB‐T10/100/1000 PoE IEEE 802.3af

6 Ports (RJ‐45) and 1000BASE‐X (SFP)Per Port GroupCisco IOS 12.2(18)EW

IEEE 802.3x flow control IEEE 802.3af, Cisco PreStandard PoE Any Combination of 6 Ports active at one time

Provides Full Line Rate (Non Blocking)Designed to power IP Phones, wireless Base Stations, Video Cameras, and other IEEE‐compliant PDs

Provides Full Line‐Rate (Non‐Blocking)Cisco IOS 12.2(20)EWA

L2‐L4 Jumbo Frame Support ( up to 9216 bytes)

Designed to power IP Phones, Wireless Base

Functionally TransparentWS‐X4548‐GB‐RJ45V

10/100/1000 PoE IEEE 802.3af

g pStations, Video Cameras, and other IEEE‐

compliant PDs


y pSupported in All Chassis / Supervisors

6 Gbps Per Slot Capacity

48 Ports (RJ‐45) Module

Classic Line Cards: Gigabit Ethernet Copper DataClassic Line Cards: Gigabit Ethernet Copper ‐ Data

WS‐X4424‐GB‐RJ4524 Port – 4:1 OversubscribedSix 4‐port groups providing 1WS X4424 GB RJ45

10/100/1000 Module24 Ports (RJ‐45) WS‐X4548‐GB‐RJ45

10/100/1000 Module 48 Ports (RJ‐45)

Six 4 port groups, providing 1 Gbps Per Port‐Group

48 Port – 8:1 OversubscribedSix 8‐port groups, providing 1 Gbps Per Port‐Group

Cisco IOS 12.1(8a)EWIEEE 802.3x flow control

48 Port – 8:1 OversubscribedDesigned for gigabit‐to‐the‐desktop applications

48 Port 8:1 OversubscribedSix 8‐port groups, providing 1 Gbps Per Port‐Group

Cisco IOS 12.1(19)EWIEEE 802.3x flow control

More Power Efficient & More Cost Effective than

Functionally TransparentWS‐X4448‐GB‐RJ45

WS‐X4448‐GB‐RJ45Designed for gigabit‐to‐the‐desktop applications




10/100/1000 Module48 Ports (RJ‐45)

Classic Line Cards: Fast Ethernet PoEClassic Line Cards: Fast Ethernet ‐ PoE

10/100 (RJ 45)

WS‐X4248‐RJ21V10/100 PoE IEEE 802.3af Module

48‐port Telco (4 x RJ‐21)

WS‐X4224‐RJ45V 10/100 PoE IEEE 802.3af Module

24 ports (RJ‐45)

10/100 (RJ‐45)24 port ‐ Cisco IOS Release 12.2(20)EW48 port – Cisco IOS Release 12.2(18)EWIEEE 802.3af PoE and Cisco PreStandard PoEEnterprise and Commercial Deployments 48 port Telco (4 x RJ 21)Designed to power IP Phones, Wireless Base Stations, Video Cameras and other IEEE‐compliant PDs

Telco 10/100 RJ21Cisco IOS Release 12.2(18)EW

IEEE 802.3af PoE and Cisco PreStandardEnterprise / Commercial Deployments


Enterprise / Commercial DeploymentsDesigned to power PoE Devices

Improved cable management RJ‐21 WS‐X4248‐RJ45V

10/100 PoE IEEE 802.3af Module 48 ports (RJ‐45)




Classic Line Cards: Fast Ethernet Copper DataClassic Line Cards: Fast Ethernet Copper ‐ Data

WS‐X4124‐RJ45 Fast Ethernet 10/100 Module

24 Ports (RJ‐45)

10/100BASE‐T (RJ‐45)24 port ‐ Cisco IOS Release 12.2(20)EW48 port – Cisco IOS Release 12.1(8a)EW IEEE 802.3Enterprise and Commerical

WS‐X4148‐RJ21Fast Ethernet 10/100 Module

48‐port Telco (4 x RJ‐21)Enterprise and Commerical Medium – High Port DensityDesktop Connectivity / Wiring Closets

Telco 10/100BASE‐TCisco IOS Release 12.1(8a)EW

IEEE 802.3Enterprise / Commercial:


p /High Port Density Solution

Improved cable management RJ‐21 WS‐X4148‐RJ

Fast Ethernet 10/100 Module 48 Ports (RJ‐45)




Classic Line Cards: Gigabit Ethernet FiberClassic Line Cards: Gigabit Ethernet ‐ Fiber

WS‐X4302‐GB Gigabit Ethernet Module

WS‐X4418‐GB Gi bi E h M d l

1000BASE‐X (GBIC)Cisco IOS ‐ 12.1(8a)EWIEEE 802.3Gigabit Ethernet Module

2 Ports (GBIC)Gigabit Ethernet Module

18 Ports (GBIC)Non‐Blocking1000BASE‐X (GBIC)2 Port ‐ Cisco IOS 12.1(19)EW4 Port ‐ Cisco IOS 12.1(8a)EWIEEE 802.3

IEEE 802.3x flow control2 Ports Non‐Blocking (Uplinks)16 Ports: 4:1 Oversubscribed

L2‐L4 Jumbo Frame Support (up to 9216 bytes)Designed for uplinks, server farms switch‐to‐switch applications

WS X4306 GB WS‐X4448‐GB‐SFP

1000BASE‐X (SFP)Cisco IOS ‐ 12.2(20)EWIEEE 802.3IEEE 802.3x flow control


WS‐X4306‐GB Gigabit Ethernet Module

6 Ports (GBIC)

WS X4448 GB SFP Gigabit Ethernet Module 48 Ports 1000X (SFP)

8:1 OversubscribedBandwidth allocated acrossSix 8‐port groups, providing1 Gbps per port‐group




Classic Line Cards Fast Ethernet over FiberClassic Line Cards ‐ Fast Ethernet over Fiber

WS X4248 FE SFP WS‐X4148‐FX‐MT

Mix and Match 100BASE‐XSFP Optics ‐100BASE‐FX, 100BASE‐LX10, 100BASE‐BX‐D 100BASE‐BX‐UIEEE 802 3 IEEE 802 3ah

100BASE‐FX MMF, MT‐RJCisco IOS Release 12.1(8a)EWIEEE 802.3FTTx applicationsWS‐X4248‐FE‐SFP

Fast Ethernet Switching Module 48‐port 100BASEX

Fast Ethernet Switching Module 48‐port 100BASE‐FX (MMF)

IEEE 802.3, IEEE 802.3ah, IEEE 802.3x flow controlFTTx applicationsMetro Ethernet Residential

FTTx applicationsMetro Ethernet ApplicationsDistance up to 1.2 miles(2‐km) radius

WS‐X4124‐FX‐MTFast Ethernet Switching Module

WS‐X4148‐FE‐BD‐LCFast Ethernet Switching Module

100BASE‐FX MMF, MT‐RJCisco IOS Release 12.1(8a)EWIEEE 802.3FTTx applicationsMetro Ethernet Residential

100BASE‐BX‐10‐DSingle Strand of SMFCisco IOS Release 12.2(18)EWIEEE 802.3, IEEE 802.3ah


Fast Ethernet Switching Module 24‐port 100BASE‐FX (MT‐RJ)

Fast Ethernet Switching Module 48‐port 100BASE‐BX10 (SMF)

Metro Ethernet Residential located within a 1.2 mile (2‐km) radius

Bidirectional FE operates over single strand of fiberMetro Ethernet ApplicationsDistances up to 6.2 miles(10 km) radius


Functionally TransparentSupported in All Chassis / Supervisors


Jumbo Frame SupportJumbo Frame SupportAllows the switch to forward packets as large as 9216 bytes, rather than declaring frames “oversized” and discard them Jumbo Frames can be

Line Cards Ports

declaring frames oversized and discard them. Jumbo Frames can be configured on a per‐port basis on Layer 2 and Layer 3 interfaces.

WS‐X4306‐GB All Ports

WS‐X4506‐GB‐T All Ports

WS‐X4232‐GB‐RJ 1‐2

WS‐X4418‐GB 1‐2

WS X4412 2GB TX 13 14WS‐X4412‐2GB‐TX 13‐14

WS‐4648‐RJ45V‐E All Ports

WS‐4648‐RJ45V+E All PortsS 6 8 J 5 o ts

WS‐X4606‐X2‐E All Ports

WS‐X4624‐SFP‐E All Ports


Supervisor Uplinks All Ports

AgendaAgenda



Power Supplies





Packet Walk


Classic Line Card to Supervisor ArchitectureClassic Line Card to Supervisor ArchitectureSubPorts

4 x Gigabit Ports

Gigabit PortSlot 3

SERDES

4:1 STUB ASIC(MUX)

1 GBPS

1 GBPS

1 GBPS( )1 GBPS

Gi bi P1 GBPS

Fabric Port

Packet Processor ASIC

Gigabit PortSlot 4

SERDES1 GBPS

1 GBPS

1 GBPS8:1 8 x Gigabit PortsASIC 1 GBPS

1 GBPS

1 GBPS

STUB ASIC(MUX)

8 x Gigabit Ports

1 GBPS

1 GBPS

Gigabit PortSlot 5


Slot 5SERDES 1 GBPS 1 x Gigabit Ports

Classic 48 Port 10/100/1000 Line Card DiagramClassic 48 Port 10/100/1000 – Line Card Diagram

Packet Processing ASICPacket Processing ASIC

Gbp

s

Gbp

s

Gbp

s

Gbp

s

Gbp

s

Gbp

s

1 1 1 1 1 1

8:1 Stub ASIC MUX

8:1 Stub ASIC MUX

8:1 Stub ASIC MUX

8:1 Stub ASIC MUX

8:1 Stub ASIC MUX

8:1 Stub ASIC MUX

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS

1 GBPS


Front Panel Ports 1‐ 8 Front Panel Ports 9‐ 16 Front Panel Ports 17‐ 24 Front Panel Ports 25‐ 32 Front Panel Ports 33‐ 40 Front Panel Ports 41‐ 48

E Series Switching Module Architecture XGStub

3 Gbps Each Lane (6 Gbps) 3 Gbps Each Lane (12 Gbps)

E‐Series Switching Module Architecture ‐ XGStub

XGStub XGStub

802.3z Serial XAUI Serial

Port 1 Port 3Port 1 Port 12

10/100/1000 Mbps 10 Gbps

SERDES4 x XGStubs on 2 x XGStubs on


Front Panel Port

SERDES4 x XGStubs on48 port 10/100/1000 PoE


2 x XGStubs on6 port 10GbE


E Series 48 Port 10/100/1000 Line Card Diagram

24 Gbps Slot Capacity

E‐Series 48 Port 10/100/1000 ‐ Line Card Diagram

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

XGStubASIC

XGStubASIC

XGStubASIC

XGStubASIC

Octal Phy Octal Phy Octal Phy Octal Phy Octal Phy Octal Phy

24‐Gig per Slot (2:1 Oversubscribed) – (4) XGStubs

Front Panel Ports 1 ‐ 48


24 Gig per Slot (2:1 Oversubscribed) (4) XGStubsCapable of per Port Current Monitoring

L2/L3 Jumbo Frames on All Ports

E Series 48 Port 10/100/1000 Port Groupings

24 Gbps Slot Capacity

E‐Series 48 Port 10/100/1000 ‐ Port Groupings

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

3Gbp

s

XGStubASIC

XGStubASIC

XGStubASIC

XGStubASIC

Octal Phy Octal Phy Octal Phy Octal Phy Octal Phy Octal Phy

31 2 4 5 6 97 8 10 11 12

24‐Gig per Slot (2:1 Oversubscribed) – (4) XGStubs

Front Panel Ports 1 ‐ 48


24 Gig per Slot (2:1 Oversubscribed) (4) XGStubsCapable of per Port Current Monitoring

L2/L3 Jumbo Frames on All Ports

E Series Linecards: Port GroupsE‐Series Linecards: Port GroupsFront panel ports connected to the same Xgstub

Groups of 12: 10/100/1000 or 1000 Mbps

Groups of 3: 10 GE

Groups of 6: 1 GE ports (TwinGig)

1 2 3 4 5 6

Catalyst-4506-E# show hw-module module 3 port-group

109 1211 1615 1817141387

y p g p

Module Port-group Active Inactive----------------------------------------------

3 1 Gi3/7 12 Te3/1 3


3 1 Gi3/7-12 Te3/1-33 2 Te3/4-6 Gi3/13-18

Default

AgendaAgenda



Power Supplies





Packet Walk


Supervisor 6 E Packet WalkSupervisor 6‐E – Packet Walk

CPUPacket Memory

CPU FPGA

STP Memory ICCTCAM

FLCTCAM

SERDESPHY

FWD Memory1

FWDMemoryIPP

(I t lli t P k t P )VFE

(V F t F di E i )

PLD

FWD Memory2

OCCTCAM




SERDESPHY

Supervisor 6‐ELine Card


Supervisor 6 E Components IPPSupervisor 6‐E Components ‐ IPP

CPUPacket Memory

CPU FPGA

STP Memory ICCTCAM

FLCTCAM

SERDESPHY

FWD Memory1

FWDMemoryIPP


(V F t F di E i )

PLD

FWD Memory2

OCCTCAM




SERDESPHY



IPP RoleIPP: Packet Reception, Packet Storage, Packet Retransmission

IPP Role

Packet Memory

Free List Header

Packet Memory Structure

PayloadHeader

Free List Header

Packet’s 1st Cell


ASIC…

Packet’s Last Cell

Packet Processing Engine

Free List Tail

Centralized Packet Memory

17 5 MB of Packet MemoryPacket copied into Packet Memory

Vlan tag is stripped and Vlan information is stored

Packets Header Parsing:L2 IP 4 IP 6 L4

17.5 MB of Packet Memory

64K of Cells‐280 Byte Cells‐ 70 Byte Sub‐Cells‐ 1 Cell = 4 Sub‐Cells


L2, IPv4, IPv6, L4

Packet Rewrite:L2 and L3 for IPv4,IPv6

1 Cell 4 Sub Cells

Data is written into chunks called “sub‐cells”

Cells maintained in Link‐List Manner

Supervisor 6 E Components VFESupervisor 6‐E Components ‐ VFE

CPUPacket Memory

CPU FPGA

STP Memory ICCTCAM

FLCTCAM

SERDESPHY

FWD Memory1

FWDMemoryIPP


(V F t F di E i )

PLD

FWD Memory2

OCCTCAM




SERDESPHY




STP M

Stores Per PortPer VLAN

Spanning Tree StateSTP Memory(Spanning Tree Memory)

Spanning Tree State


ASIC



ICC

Stores Input ACL and QoS rules in TCAM4

ICCInput Classification CAM Packets classified via rules

loaded into TCAM


ASIC



FLC

Stores Layer 3 forwarding and unicast RPF check rules

FLCForwarding Lookup CAM Contains IPv4 and

IPv6 FIB Entries


ASIC



FLM 1 and FLM 2 store associated forwarding information –Adjacencies and RET indicesjFLMs indexed by FLC lookup result

FLM 1Forwarding Lookup Memory


ASIC FLM 2Forwarding Lookup Memory



Stores Output ACLand QoS rules in TCAM4

Packets Classified viarules loaded into TCAM


ASICOCC

Output Classification CAM



St L2 M lti tStores L2 Multicast,Broadcast, flood‐vlan,

port‐sets, and IP Multicast ForwardingIP Multicast Forwarding


ASIC


RETReplica Expansion Table


Stores DBL (Dynamic Buffer Limiting)


ASIC

(Dynamic Buffer Limiting)flow hash table


DBL Hash MemoryDynamic Buffer Limiting


Stores all Transmit Queues including CPU transmit queue andincluding CPU transmit queue and

Drop Queue. Stores a Packet Descriptorcontaining information for transmission


ASIC


Queue Memory

Supervisor 6 E VFE to IPP ReceptionSupervisor 6‐E – VFE to IPP Reception

CPUPacket Memory

CPU FPGA

STP Memory ICCTCAM

FLCTCAM

SERDESPHY

FWD Memory1

FWDMemoryIPP


(V F t F di E i )

PLD

FWD Memory2

OCCTCAM


(Very Fast Forwarding Engine)ASIC

PTD


SERDESPHY



Supervisor 6 E Unicast Packet WalkSupervisor 6‐E – Unicast Packet Walk

CPUPacket Memory

CPU FPGA

STP Memory ICCTCAM

FLCTCAM

FabricPHY

54 61

FWD Memory1

FWDMemoryIPP


(V F t F di E i )

PLD2

3

FWD Memory2

OCCTCAM



10

9


FabricPHY7

8

10


8


Supervisor 6 E Unicast Packet WalkSupervisor 6‐E – Unicast Packet Walk

1. Packet enters the PHY in the line module and travels across the backplane before hi th S ireaching the Supervisor

2. Packet enters the Supervisor; IPP performs parsing of VLAN tag / header and stores the packet into Packet Memory

3. The stripped header is used to construct a Packet Lookup Descriptor (PLD) and forwarded to the VFE ASIC

4. PLD goes through L2 lookup. Spanning Tree state is checked. Packet MAC source and MAC destination coupled with the receive VLAN ID are looked up in the L2 Hash Table. L2 Lookup also determines whether the packet is destined for Router functionality

5 I t Cl ifi ti i d t t i t ACL d Q S l i TCAM45. Input Classification is used to store input ACL and QoS rules in TCAM4

6. Packet is sent to the Forwarding Lookup CAM for L3 lookup. FLC stores L3forwarding and unicast RPF check rules. Contains IPv4 and IPv6 FIB entries

7. Output Classification stores output ACL and QoS rules in TCAM4

8. The Packet Transmit Descriptor (PTD) is sent to the Queue Memory

9 PTD i t b k t th IPP


9. PTD is sent back to the IPP

10. IPP transmits the packet across the backplane to the correct egress interface

Catalyst 4500 Architecture SummaryCentralized Architecture

Catalyst 4500 Architecture ‐ Summary

Shared memory switchPassive Backplane

All forwarding queuing security isCPU / SDRAM

All forwarding, queuing, security is implemented on the Supervisor

The individual line cards are d d b ‘ ’

Forwarding EngineFFE /VFE

considered to be ‘transparent’Contain simple “stub” ASICs and the PHYs

/

Shared Memory FabricPPE / IPP

No local switching

Each classic line card has 6 Gbps (full duplex) connections to the central forwarding engine

Each E‐Series line card has 24 Gbps (full duplex) connection to the

Line Card Line Card Line Card Line Card Line Card


( p )central forwarding engine

Date post:	20-Aug-2020
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