Problem with Polycoms connecting after PIX upgrade

Unanswered Question
May 1st, 2009

We recently upgraded our PIX from 7.0(2) to 7.2(4), and this appears to have broken our video conferencing connections between Polycoms at two of our sites. We have a site that can connect us, but they can't see us. However, we can't establish a connection from our end. This has been going over a VPN connection between the two sites, but in troubleshooting we decided to use the static nat to a public IP and connect using this. The problem still exists. There is an inspection rule for h.323 and h.225.

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tstanik Thu, 05/07/2009 - 13:19

Make sure your Polycom suites are configured to use fixed ports. (Admin / ip / firewall I think) If they are, they will use ports 3230 - 3253. If they aren't, they will use random ports (1024-65535) and probably won't make it through your firewall. Try to remove any 'inspect' statements related to H323.


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