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How do get wireless clients connected to a Cisco 871W wireless router to see clients on the ethernet ports of thesame router

Posted on 2009-04-09
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Last Modified: 2013-11-09
We have done a basic setup on a Cisco 871W wireless router; however the wireless clients connected to the router are not able to see wired clients on the ethernet ports of the same router. Can you please look at the attached config file and suggest ways of addressing this problem? We need to be able to have all clients wireless(laptops)/wired(printers) communicate with each other. Thanks for every assistance
config-Cisco-871W-Wireless-Route.txt
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Question by:Zegwai
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by:egyptco
ID: 24105581
is it that your ethernet interfaces fa1-3 are for these wire clients. if so just assign vlan1 to them.
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by:Zegwai
ID: 24222473
Sorry for the delayed response.

The ethernet interfaces are assigned to vlan1 be default. However, the wireless clients are not on vlan1. We need to create vlan1 on the wireless interface. When we try, we get a prompt to assign an IP address to the vlan. When we try assigning the IP (same subnet as BVi1), we are prompted to change the IP. We are new to Cisco CLI. Can you just look at the config file and tell us how to creat vlan1 on the wireless interface? Thanks and sorry again for the delayed response.
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egyptco earned 150 total points
ID: 24240101
the configuration seems to be OK. you don't need to assign ip address to vlan1 but to the bridge interdace BVI1. the basic lines needed to bridge the WLAN and VLAN1 are (this is the adaped example from http://articles.techrepublic.com.com/5100-10878_11-6102399.html):

ip dhcp excluded-address 192.168.100.1 192.168.100.10
ip dhcp excluded-address 192.168.100.31 192.168.100.126
service dhcp
ip dhcp pool VLAN1
    network 192.168.100.0 255.255.255.128
    default-router 192.168.1.1
    import all
    dns-server 208.67.222.222 208.67.220.220
!
bridge irb
!
interface Dot11Radio0
  encryption vlan 1 mode ciphers tkip
  !
 ssid SPER-SER
   vlan 1
   authentication open
   authentication key-management wpa
   guest-mode
   infrastructure-ssid optional
   wpa-psk ascii 7 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
  !
  channel 2452
  bridge-group 1
  bridge-group 1 subscriber-loop-control
  bridge-group 1 spanning-disabled
  bridge-group 1 block-unknown-source
  no bridge-group 1 source-learning
  no bridge-group 1 unicast-flooding
!
interface Vlan1
  ip nat inside
  ip virtual-reassembly
  bridge-group 1
!
interface BVI1
  ip address 192.168.100.1 255.255.255.128
  ip nat inside
  ip virtual-reassembly
!

do some more troubleshooting:
sh ip int bri
sh vlan
sh ip route

from wireless and wired stations try to ping the BVI1 address 192.168.100.1

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Author Closing Comment

by:Zegwai
ID: 31568437
Thanks. This helped a great deal.
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