The following problem is faced when cisco ip phones 7921 are roaming between APs:
When a call is establishedon wireless ip phones, and the phones are roaming between APs, a three seconds gap appears but the call doesn't disconnect.
The following log messages are displayed on both APs:
The first AP:
*Mar 1 23:30:30.493: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station 001e.4a3f.c5b8 Reason: Sending station has left the BSS
*Mar 1 23:30:30.956: %DOT11-4-MAXRETRIES: Packet to client 001e.4a3f.c5b8 reached max retries, removing the client
*Mar 1 23:30:30.957: Client 001e.4a3f.c5b8 failed: reached maximum retries
The second AP:
*Mar 1 23:33:40.049: %DOT11-6-ASSOC: Interface Dot11Radio0, Station SEP001E4A3FC5B8 001e.4a3f.c5b8 Associated KEY_MGMT[WPA PSK]
What can be the problem?