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Connection issues Cisco 851W and WPS54G

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15 years 1 month ago #29638 by r0nni3
Recently i bought a Cisco 851W to replace a Linksys router for a customer.
The wireless connection between the router and printserver were fine before i replaced the linksys with a Cisco. But when i implemented the Cisco router things started to go wrong.
The wireless connection with the print server drops multiple times per day and requires a reboot from both the router and printserver to get it back online.

Here's the config that matters on the Cisco 851W:

dot11 ssid *
vlan 1
authentication open
authentication key-management wpa
guest-mode
infrastructure-ssid optional
wpa-psk ascii 0 *
!
interface Dot11Radio0
no ip address
!
encryption mode ciphers tkip
!
encryption vlan 1 mode ciphers tkip
!
ssid *
!
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
station-role root
!
interface Dot11Radio0.1
encapsulation dot1Q 1 native
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
no ip address
ip virtual-reassembly
bridge-group 1
!
interface BVI1
ip address 192.168.1.1 255.255.255.0
ip nat inside
ip virtual-reassembly
no ip route-cache cef
no ip route-cache

Any help is greatly appreciated.

Thank you in advance!

Currently working as Cisco Engineer at Neon-Networking.

Certifications:
CCNA - Have it
CCNA Security - Have it
CCSP - Almost!!!!
CCIE Security - Not so far away dream
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15 years 1 month ago #29644 by S0lo
I assume here that you have other clients that are connecting to the Cisco 851W wirelessly and that none of them encountered the same problem.

Here is one theory :roll:. Are you using DHCP for the internal clients? (It's not clear from the config). If you are, then I assume the print server is using a static IP. Then have you excluded the print server's IP from the 851W's DHCP config. If not, then the 851W might try to give that IP to other clients which obviously can cause conflicts.

Or, I might be totally out of the scope of the problem here. Just a try.

Studying CCNP...

Ammar Muqaddas
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