[cisco-voip] Unified Presence (CUP) and the CUCM hostname/IP address

[Chris Ward (chrward)]

If you are using DNS, make sure you update the forward AND reverse
lookup zones for CUP. Also, check under the System - Application Servers
section in CUCM Admin too and make sure the CUP server is still properly
defined.

 

Did CUCM's IP change as well?

 

-Chris

 

From: Philip Walenta [mailto:pwalenta at wi.rr.com] 
Sent: Tuesday, September 08, 2009 4:07 PM
To: Chris Ward (chrward); cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Unified Presence (CUP) and the CUCM
hostname/IP address

 

It's 7.0.4.

 

________________________________

From: Chris Ward (chrward) [mailto:chrward at cisco.com] 
Sent: Tuesday, September 08, 2009 2:58 PM
To: Philip Walenta; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Unified Presence (CUP) and the CUCM
hostname/IP address

What version of CUP is it? CUP 6.X didn't support changing the IP. You
would need to rebuild it instead. CUP 7.X does support changing the IP
however.

 

-Chris

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Philip Walenta
Sent: Tuesday, September 08, 2009 3:50 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Unified Presence (CUP) and the CUCM hostname/IP
address

 

Due to some lab conditions I'm having to change the IP addresses of
devices (ugly - I know).

 

My one stumbling block is that when I tell my CUP server the new IP
address of the CUCM publisher it complains about the hostname being
incorrect.

 

If I goto my CUP CLI and do a network utils ping <hostname>, the old IP
address resolves.

 

Is there some hidden hosts file on the CUP server doing this resolution?
My DNS server is correct.

 

If there is a hosts file is there some way to change it or force a
rebuild?

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