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Video Freezing problems RRS feed

  • Question

  • We are using OCS 2007 Standard and we are experiencing video freezing issues for remote users.  Our remote users have a device established VPN between the site and the OCS A/V server, no port filtering is in place between this connection. 

    After establishing a video session the video works for about 1-2 minutes.  After that the video freezes and the only way we are able to un-freeze the video is to cancel the session and restart video. 

    We are using Logitech Orbit webcams.  Any video session on the LAN works fine with these webcams. 

    What can I do to troubleshooting this issue?

    Thanks,
    Jason
    Monday, April 27, 2009 7:17 PM

All replies

  • This problem is probably related to VPN
    Users on the internet should be connected via the OCS EDGE Server and not via a VPN Connection
    - Belgian Unified Communications Community : http://www.pro-exchange.be -
    Monday, April 27, 2009 8:52 PM
  • This problem is probably related to VPN
    Users on the internet should be connected via the OCS EDGE Server and not via a VPN Connection
    - Belgian Unified Communications Community : http://www.pro-exchange.be -
    Why is this?  If I have full IP connectivity between Communicator client and OCS A/V Edge shouldn't this work?
    Monday, April 27, 2009 9:12 PM
  • VPN is the source of many problems with ocs
    And I am pretty sure that your problem is originating on the VPN connection, you might contact your VPN support to do some logging
    - Belgian Unified Communications Community : http://www.pro-exchange.be -
    Monday, April 27, 2009 9:25 PM
  • Are you using a load balancer in front of the AV Edge?  In our environment, our external users were constantly freezing and it was caused by a setting on the load balancer - we had to turn off the persistence.
    Wednesday, April 29, 2009 12:46 AM
  • VPN is used for Remote users A/V EDGE is not used
    - Belgian Unified Communications Community : http://www.pro-exchange.be -
    Wednesday, April 29, 2009 8:17 AM
  • In most cases, yes, but it depends on the architecture.  In our environment, for security reasons all users are treated as "external" even if they VPN back into the network.  As they are external, they use the AV Edge.
    Wednesday, April 29, 2009 4:36 PM
  • That's an interesting setup.  So even internal users on the LAN are considered External Users...
    Did you see any session from Steve Riley about the Fortified Datacenter?  That is kind of the same idea...

    Here is a link to the sessions (the last one talks about that)
    http://blogs.technet.com/aralves/archive/2008/06/10/technet-briefing-security-strategies-session-recording-online.aspx
    - Belgian Unified Communications Community : http://www.pro-exchange.be -
    Wednesday, April 29, 2009 4:45 PM
  • Exactly - all users on the LAN are considered External - we encrypt all traffic and everything is over 443 (no other ports or protocols allowed between the clients and the servers.)

    No, I hadn't seen the Steve Riley's session on Fortified DataCenter.  I'll try to take a look at it soon.

    Wednesday, April 29, 2009 5:02 PM