Hi there

I was just playing around and tried to configure a WGB with EAP-TLS and CCKM. 
If I use the following configuration without CCKM, all works great:

dot11 ssid wgb-eap-tls
   authentication open eap eap_methods
   authentication network-eap eap_methods
   authentication key-management wpa

If I change it to CCKM, after the reauth timeout it re-connects the WGB and 
shows the message at the bottom:

wlccp ap username d password 7 050F020B25
wlccp authentication-server infrastructure eap_methods
wlccp authentication-server client any eap_methods
  ssid wgb-eap-tls
wlccp wds priority 255 interface BVI1

dot11 ssid wgb-eap-tls
   authentication open eap eap_methods
   authentication network-eap eap_methods
   authentication key-management cckm

Jan  5 17:33:10.971: %DOT11-4-UPLINK_ESTABLISHED: Interface Dot11Radio0, 
Associated To AP root 003a.9927.57b0 [EAP-TLS CCKM]
Jan  5 17:33:11.008: %DOT11-4-CCMP_REPLAY: AES-CCMP TSC replay was detected on 
a packet (TSC 0x2) received from 003a.9927.57b0.
Jan  5 17:33:11.108: %DOT11-4-CCMP_REPLAY: AES-CCMP TSC replay was detected on 
a packet (TSC 0x2) received from 003a.9927.57b0.

@Cisco it says: AES-CCMP TSC replay was indicated on a frame. A replay of the 
AES-CCMP TSC in a received packet almost indicates an active attack.


I do not attack my own network ;-) Does anybody know what the problem could be?

Regards
Dominic
_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit 
www.ipexpert.com

Reply via email to