5000 HX w/ 5360 IP phones (resetting)

[gjmoran]

I get an occasional reset during the day on all of the phones at one of my customer sites. The phones will show 'Loading Application...' then reboot. This happens at random times and I can not for the life of me figure it out. Has anyone else had this issue? If so, what was the resolution?

Thanks

[ralph]

I've seen this.
Is it happening only when someone is transferring the call?

The fix in our case was to turn off ICMP redirects in the routers.

Ralph

[gjmoran]

i will check it out and let you know. thanks for the advice.

[greg138]

I have seen this at a customer's site who was running a network mapping software which essentially created a DOS condition on the phone, on a side note only the 5360's were effected not the 5320's. We ran a packet capture using the mirrored port option on the phone and found it to be related to the software probing port 5060 with Sip messages. The monitor would refresh every two hours which would in return reset the phones every two hours.

[mav]

Make sure if you are using a PoE that the switch offers sufficient power to all ports not just say half of them. 5360 draws more power that 5324's etc