I have a IP/VC 3525 gateway that has just been installed and have been transfering our Polycom 512 ViewStations from their ISDN lines to use the gateway with no problems until today.
I have 3 units sucessfully installed but the 4th and 5th units that have just been installed registers the first time that it is connected and then the TTL times out and the unit is not able to re-register with the gateway.
I have tried making the unit predefined and always on but with the same results.
The working Polycoms are on SW ver 7.0.1 and 7.2
The Polycoms that are not working are using version 7.0.1 and 7.0.3
The IP/VC Version numbers are:
Unit Version: 184.108.40.206
Gatekeeper Version: 220.127.116.11.7
Stack Version: 18.104.22.168
MIB Version: 2.2
The error registration rejection message that I receive is:
This seems to be a bug in the GateKeeper. Check out the bug CSCdv77863 for more details. This could be if you are using dynamic IP addresses and each time the Gateways are getting different IP addresses for registering themselves.If this is the case, then the solution would be to use the same ip addresses everytime they try re-registering. Or it could be a bug in the Polycom itself. In any case you can use the debug commands to find out the reason behind it.
The problem turned out to be a bug in the software version that I mentioned. Cisco sent a newer version and it cured the problem. (TAC Case: D467934 - software bug in version 22.214.171.124 which with certain versions of polycom software causes a TTL failure on the gatekeeper.)
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