About mihirshah

mihirshah · 02-05-2014

mihirshah · 02-05-2014

Hi All,I was wondering if anyone has seen this. We have a bunch of 7945 phones in a bracn office that register to CMs (one pub, and one sub- both is same location). There is a 2921 router at the brach office for srst and pstn access. The issue I am s...

mihirshah · 03-07-2014

Hi All, it turned out to be the firewall after all. Data point: keepalives need to be allowed between phones and Publisher AND Subscriber. We had it enabled just for the pub. Once we allowed to the sub, phones started coming out of srst fine. Thanks ...

mihirshah · 02-27-2014

Sorry for the delayed response. Update:So it seemed that the FW was indeed dropping the keep alives from the phone to CM. The KAs were allowed through but that didn't seem to solve the issue. I'm going to double check on the FW to ensure that the KA...

mihirshah · 02-10-2014

I think this might be a firewall issue since I dont see any KeepAliveAcks from the Pub in the trace (10.2.200.6). Can someone confirm (that there isn't a reply to the KAs from the phone)?Checking with security team. Will report back shortly.

mihirshah · 02-10-2014

Ok, uploaded. Phone IP is 7.188.200.51 SRST Router: 7.188.200.4Pub: 10.2.200.6Sub: 10.2.200.7

mihirshah · 02-10-2014

Ok, I have the wireshark captures. How do I attach them to this thread? I see the phone sending keepalives to both the Call Managers (pub + sub and the srst router...I think).

Member Since	‎01-05-2005 04:28 PM
Date Last Visited	‎05-15-2025 02:55 PM
Posts	10

User Statistics

User Activity

output

Phones not reverting to CUCM once in SRST

Phones not reverting to CUCM once in SRST

Phones not reverting to CUCM once in SRST

Phones not reverting to CUCM once in SRST

Phones not reverting to CUCM once in SRST

Phones not reverting to CUCM once in SRST