5485 Paging Adapter "moving" every 60 minutes?

[acejavelin]

I have a 5485 paging adapter that, according to CDP, appears to be moving almost exactly every hour... Every log entry looks exactly the same (same MAC, IP, switch port, etc) and it is repeated every 60 minutes +/- 90 seconds.

Log Type: Maintenance
Log Number: 5704
Severity: Info
Date: 2016/Jun/22
Time: 09:33:03
Source: Device Detection
Description: An IP device, with DN 1999, registered at CDP L2 MAC address A4:4C:11:FE:DB:06, CDP L2 Port GigabitEthernet2/0/6, CDP L2 IP Address: 10.15.30.14
Module: Main
File Name and Line Number: Maintenance;0

There doesn't appear to be any functional issue, but the IT staff at the facility says they are having other issues in the network and Cisco told them to have Mitel fix this problem as it is making it hard for them to (whatever). :/

Any ideas on what could be causing this?

[lundah]

Any chance you can grab stats or logs on the LAN switch port? Looks to me like the switch and the 5485 are losing connectivity with each other, but without info from the LAN switch it would be difficult to say why.

[ralph]

I'm with lundah on this one.
I place my bet on a bad switch port.  (maybe a bad port on the page device.)

I had one case where an entire voice network went down at the same time every day.
Of course it was the Mitel's fault until I proved it to be the data switch.
I've no idea what the switch was doing but it had some type of schedule put on it.

Ralph