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WLC problem - Some LWAPP APs not working

a.hussain
Level 1
Level 1

Dear All,

Our WLC 4402 and 46 1130AG Access points in LWAPP mode have been working flawlesly for the past few years, but suddenly this week some access points have not been working (but the rest are fine). They are correctly registered on the WLC, but if anyone tries to connect they get an authentication failrue and the WLC logs the following. Nothing on the WLC has changed, the only thing that's changed on the network is a new firewall (the WIFI network is one of the subnets) but that shouldn't affect whether users can connect to the WIFI network. Anyone have any clues as to what's going on?

Log System Time Trap
0Thu Jun 16 10:29:57 2011Client Deauthenticated: MACAddress:00:1f:c5:f3:84:75 Base Radio MAC:00:1d:e5:4e:95:70 Slot: 0 Reason:Unspecified  ReasonCode: 1
1Thu Jun 16 10:29:14 2011Client Deauthenticated: MACAddress:5c:59:48:55:74:49 Base Radio MAC:00:1d:e5:4e:93:80 Slot: 0 Reason:Unspecified  ReasonCode: 1
2Thu Jun 16 10:28:54 2011Client Deauthenticated: MACAddress:5c:59:48:55:74:49 Base Radio MAC:00:1d:e5:4e:93:80 Slot: 0 Reason:Unspecified  ReasonCode: 1
3Thu Jun 16 10:20:59 2011Decrypt errors occurred for client 04:1e:64:33:2b:d0 using WPA key on 802.11b/g interface of AP 00:1d:e5:4d:f1:f0
4Thu Jun 16 10:20:36 2011Client Deauthenticated: MACAddress:d8:9e:3f:aa:ae:18 Base Radio MAC:00:13:5f:f9:a7:10 Slot: 0 Reason:Unspecified  ReasonCode: 1
5Thu Jun 16 10:20:36 2011Client Deauthenticated: MACAddress:c4:2c:03:3f:92:c0 Base Radio MAC:00:1d:e5:4d:f1:f0 Slot: 0 Reason:Unspecified  ReasonCode: 1
6Thu Jun 16 10:20:36 2011Client Deauthenticated: MACAddress:b4:07:f9:f3:87:7e Base Radio MAC:00:13:5f:fb:1b:e0 Slot: 0 Reason:Unspecified  ReasonCode: 1
7Thu Jun 16 10:20:36 2011Client Deauthenticated: MACAddress:90:27:e4:b2:da:b1 Base Radio MAC:00:1d:e5:4e:8a:50 Slot: 0 Reason:Unspecified  ReasonCode: 1
8Thu Jun 16 10:20:36 2011Client Deauthenticated: MACAddress:88:c6:63:c3:47:92 Base Radio MAC:00:1d:e5:4d:f1:f0 Slot: 0 Reason:Unspecified  ReasonCode: 1
9Thu Jun 16 10:20:36 2011Client Deauthenticated: MACAddress:7c:c5:37:14:f0:bb Base Radio MAC:00:1d:e5:4e:92:d0 Slot: 0 Reason:Unspecified  ReasonCode: 1
10Thu Jun 16 10:20:36 2011Client Deauthenticated: MACAddress:78:ca:39:88:c2:a3 Base Radio MAC:00:1d:e5:4e:93:10 Slot: 0 Reason:Unspecified  ReasonCode: 1
11Thu Jun 16 10:20:36 2011Client Deauthenticated: MACAddress:5c:59:48:55:74:49 Base Radio MAC:00:1d:e5:4d:f1:f0 Slot: 0 Reason:Unspecified  ReasonCode: 1
1 Reply 1

sudkulka
Cisco Employee
Cisco Employee

What kind of authentication i being used on SSID that the clients connect to? If RADIUS server is involved, can you verify if it shows any logs pointing to auth failure?

Run a debug client on the controller for one problem client and send it over.

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