Cisco Router 850 Series Software Configuration Guide

CH A P T E R
 
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9
Configuring a Wireless LAN Connection
The Cisco 850 and Cisco 870 series routers support a secure, af fordable, and easy-to-use wireless LAN 
solution that combines mobility and flexibility with the enterprise-class features required by networking 
professionals. With a management system based on  Cisco IOS software, the Cisco routers act as access 
points, and are Wi-Fi certified, IEEE...

 
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Chapter 9      Configuring a Wireless LAN Connection
  Configure the Root Radio Station
Configuration Tasks
Perform the following tasks to configure this network scenario:
 Configure the Root Radio Station
 Configure Bridging on VLANs
 Configure Radio Station Subinterfaces
A configuration example showing the results of these configuration tasks is provided in the 
“Configuration Example” section on page...

 
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Chapter 9      Configuring a Wireless LAN Connection
  Configure the Root Radio Station
Step 3encryption method algorithm key
Example:
Router(config-if)# encryption vlan 1 mode 
ciphers tkip
Router(config-if)# 
Specifies the encryption method, algorithm, and 
key used to access the wireless interface.
The example uses the VLAN with optional 
encryption method of data ciphers.
Step 4ssid name 
Example:...

 
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Chapter 9      Configuring a Wireless LAN Connection
  Configure Bridging on VLANs
Configure Bridging on VLANs
Perform these steps to configure integrated routing and bridging on VLANs, beginning in global 
configuration mode:
Step 10power [client | local] [cck [number | maximum] | 
ofdm [number | maximum]]
Example:
Router(config-if)# power local cck 50Router(config-if)# power local ofdm 30...

 
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Chapter 9      Configuring a Wireless LAN Connection
  Configure Radio Station Subinterfaces
Repeat Step 2 through Step 6 above for each VLAN that requires a wireless interface.
Configure Radio Station Subinterfaces
Perform these steps to configure subinterfaces for each root station, beginning in global configuration 
mode:
Step 3bridge-group number
Example:
Router(config)# bridge-group 1Router(config)#...

 
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Chapter 9      Configuring a Wireless LAN Connection
  Configuration Example
Repeat these steps to configure more subinterfaces, as needed.
Configuration Example
The following configuration example shows a portion of the configuration file for the wireless LAN 
scenario described in the preceding sections.
!
bridge irb
!interface Dot11Radio0
 no ip address
 ! broadcast-key vlan 1 change 45
 !
 ! encryption...

 
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Chapter 9      Configuring a Wireless LAN Connection
  Configuration Example
 ssid ciscowep    vlan 2
    authentication open 
 ! ssid ciscowpa
    vlan 3
    authentication open  !
 speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0 54.0
 rts threshold 2312 power local cck 50
 power local ofdm 30
 channel 2462 station-role root
!
interface Dot11Radio0.1 description Cisco Open...

 
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Chapter 9      Configuring a Wireless LAN Connection
  Configuration Example
interface BVI2 ip address 10.0.2.1 255.255.255.0
!
interface BVI3 ip address 10.0.3.1 255.255.255.0
! 

CH A P T E R
 
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10
Sample Configuration
This chapter collects the results of the Ethernet WAN interface, DHCP, VLAN, Easy VPN, and wireless 
interface configurations made in previous chapters. This allows you to view what a basic configuration 
provided by this guide looks like in a single sample, 
Example 10-1.
NoteCommands marked by “(default)” are generated automatically when you run the show...

 
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Chapter 10      Sample Configuration
  
interface dialer 1ip address negotiated
ppp authentication chap
dialer pool 1dialer-group 1
!
dialer-list 1 protocol ip permitip nat inside source list 1 interface dialer 0 overload
ip classless (default)
ip route 10.10.25.2 0.255.255.255 dialer 0!
ip dhcp excluded-address 10.0.1.1 10.0.1.10
ip dhcp excluded-address 10.0.2.1 10.0.2.10ip dhcp excluded-address...