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Occasional Contributor II

Cisco VoIP 9971 IP Phones disconnecting intermittenly

Hi guys,

 

Having a weird issue here, TAC team is reviewing logs, but in the meantime I was wondering if anyone's experienced similar issues.  

 

We have Cisco 7924 IP phones working fine on our SSID. However now we are testing 9971 IP phones and they are periodically disconnecting, then reconnecting to the network.  These phones are completely stationary, so it cant really be a roaming issue. Though they do sometimes change WAPs when they reconnect. Heres a snippet of the log that I think is relevent

 

3/7/2013 12:47	Syslog	Controller2	HSC-02-WAP-031	D4:8C:B5:0B:48:38	Debug	local1 (17)	Station Management	Mar  7 12:48:15 Controller2 stm[1853]: <501065> <DBUG> <Controller2 129.49.138.45>  send_ageout_sta_ack 8157: Send ageout sta d4:8c:b5:0b:48:38 ack back to AP (172.20.199.248)
3/7/2013 12:47	Syslog	Controller2	HSC-02-WAP-031	D4:8C:B5:0B:48:38	Notice	local1 (17)	Station Management	Mar  7 12:48:15 Controller2 stm[1853]: <501114> <NOTI> <Controller2 129.49.138.45>  Deauth from sta: d4:8c:b5:0b:48:38: AP 172.20.199.248-d8:c7:c8:ab:6a:38-HSC-02-WAP-031 Reason 255

 This happens WHILE the user is on the phone talking.  Cant for the life of me figure out why it would age out during successful packet transmission.

 

Any suggestions?

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