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Module 5

Access Points

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Overview

This module covers basic access point (AP) installation and configuration. An access point acts as a communication hub for wireless network users. An access point can link wired and wireless networks together. The goal of this module is to get the AP configured and communicating with clients and other APs. It is important to keep the configuration simple until connectivity is achieved. Later in this module, more detailed port configurations and services will be covered

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Learning Objectives

• Demonstrate the proper AP setup and connection

• Properly connect to the AP

• Demonstrate Configuration proficiency via IOS GUI

• Demonstrate Configuration proficiency via IOS CLI

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Key terms

• VxWorks

• IOS

• Express Setup

• Home Page

• Power over Ethernet

• IPSU

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Access Point Connection

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Current AP Models

Common to both the 1100 & 1200• Line Power-over-Ethernet• IOS feature set• Field-upgradable to .11g• Plenum-rated• Lockable mounting brackets• Both can be ordered with IOS

1100 Series AP• 802.11b only• Plastic housing• 2.4 GHz antenna: Integrated

2 dBi gain omni antenna• Outstanding value

1200 Series APDual-band capable (802.11a+b)

Rugged metal enclosure

2.4 GHz antenna: Choose among a variety of antennas that connect to AP’s external antenna connectors

5 GHz antenna: Integrated 6 dBi gain combo omni/patch antenna

Outstanding performance

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AP Power Options

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Power Brick for 1100/1200

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Inline Power Module for 350/1100/1200

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Catalyst Powered Switch Options

• Powered Switches•35xx-PWR

• Powered Blades•6500 Series•4006 Series

• Inline Power Patch Panel

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Connecting the 1200

Console Port

Ethernet Port with or w/o power

Link Traffic

DC Power

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Connecting the 1100

DC Power Ethernet Port w/wo power

No Console Port

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LED Indicators

Status Lights

•Ethernet

•Status

•Radio Activity

Ethernet Activity

Status

Radio Activity

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Connecting to the AP

• Console port •Requires roll-over cable

• Telnet •Requires an IP address

• Web Browser•Requires an IP address

• To set an IP address:•Use the default•Use DHCP•Use IPSU•Set using Console port

Console Port

Console Port

TelnetTelnet Web Browser

Web Browser

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Using IPSU

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Initial Web Browser Configuration

For initial configuration:1. Connect Ethernet crossover between PC

and AP.2. Configure PC with IP address 10.0.0.2/243. Browse to 10.0.0.1 (AP default IP)4. Username/Password: Cisco/Cisco

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Basic Configuration

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Cisco Access Point GUI Comparison

VxWorks GUI

• AP 1200

• AP 340/350

• BR350

IOS GUI

• AP 1200

• AP 1100

• AP 350 *

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Cisco Access Point CLI Comparison

VxWorks “CLI”

• AP 1200

• AP 340/350

• BR350

IOS CLI

• AP 1200

• AP 1100

•AP 350*

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Assigning IP Address Using IOS CLI

1. Connect a console cable between PC and AP. (Use “typical” serial settings.)

2. Enter enabled mode: enable (Default password: Cisco)

3. Enter global configuration mode: config t

4. Enter interface configuration mode: interface bvi1

5. Assign IP address: ip address <address> <mask>

6. End and save configuration: copy run start

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Main Menu (HOME Page)

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Express Setup Menu

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Association Table

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Network Interfaces

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IP Address

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Ethernet Port Configuration

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FastEthernet Status

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FastEthernet Settings

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AP Radio Port Configuration

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Radio Status

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Radio Detailed Status

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Radio Settings

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Radio Settings (cont)

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Radio Settings (cont)

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Radio Settings (cont)

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Radio Link Test

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Configure Services

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Services Page

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Hot Standby

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CDP

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SNMP

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SNMP

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Configure Filters

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Filters

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MAC Address Filters

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IP Filters

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IP Filters

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EtherType Filters

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Proxy Mobile IP

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Proxy Mobile IP Devices

• A visiting client device that can associate to an AP. It does not need any special proxy Mobile IP software.

• An AP with proxy Mobile IP enabled.

• An authoritative AP on your network supporting proxy Mobile IP. The authoritative AP uses a subnet map to keep track of the home agent information for all visiting client devices.

• A home agent. The home agent is a router on the visiting client’s home network that serves as the anchor point for communication with the AP and the visiting client. The home agent tunnels packets from a correspondent node on the Internet to the visiting client device.

• A foreign agent. The foreign agent is a router on your network that serves as the point of attachment for the visiting client device when it is on your network, delivering packets from the home agent to the visiting client

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Proxy Mobile IP

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Proxy Mobile IP SA Bindings

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Proxy Mobile IP Caveats

• You can enable proxy Mobile IP only on root APs.

• APs should be configured with gateway addresses.

• The foreign and home agents must reside on the network gateways where you want to support proxy Mobile IP.

• If your authoritative APs receive their IP addresses through DHCP, use the access point host names to specify the AAPs in the proxy Mobile IP configuration.

• Proxy Mobile IP does not support broadcast and multicast traffic for visiting clients.

• To use Proxy Mobile IP with DHCP clients, disable Media Sense on the client.

• Does not support VLANs.

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Proxy Mobile IP Statistics

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QoS

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QoS Configuration

• WLAN QoS differs from QoS on other Cisco devices:

•Does not classify packets

•Do not match packets using ACLs

•Do not support ISL

• Difference is most notable on busy networks.

• You should be familiar with your network traffic before configuring QoS.

• QoS does not create additional bandwidth.

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QoS Policies

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Apply QoS to Interface/VLANs

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Traffic Class Definition

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System Software

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System Software

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Software Upgrade

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System Configuration

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Summary

• A variety of tools are available to configure an AP. The Web browser is usually the easiest way to configure an AP. The 1100 and 1200 also can be configured via Cisco IOS. Future APs will also support Cisco IOS.

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