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Video conference performance drops

Winter7undra

If two devices on the network join a Zoom meeting, the video drops to about 5 fps and audio suffers just as poorly.

I can recreate the issue consistently and the issue only starts once the second device joins the meeting from LAN or WLAN and with multiple devices

 

Zoom Statistics say that there is 90%+ packet loss Sending & Receiving and warns that there is low bandwidth.

 

The Sophos is using less than 10Mbps for the video calls + normal network traffic (Max available Bandwidth 65Mbps Down & 10Mbps Up)

System Resource Usage is acceptable and never pins during this issue.

 

I have disabled IPS & UDP Flooding after noticing lots of UDP Flood logs but this did nothing.

 

 

What other logs or settings should I check to make sure its not a problem with the Sophos?

 

Thanks!



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    Hi,

    Did you check if there is an QoS configurations you are not aware about?

    You can also check the total bandwidth that the UTM receives from the ISP by downloading a file via wget command. Alongside, look for any increase in dropped and error packets recorded on the interfaces by executing the "watch ifconfig" command in the shell.

    Thanks,

    Sachin Gurung
    Team Lead | Sophos Technical Support
    Knowledge Base  |  @SophosSupport  |  Video tutorials
    Remember to like a post.  If a post (on a question thread) solves your question use the 'This helped me' link.

  • 0 in reply to sachingurung

    Hey Sachingurung,

     

    As per my latest reply to BAlfson, I have used ifconfig while running the video conferences and there was no increase in dropped packets or collisions. 

    I havnt used the wget command yet though. Am I safe to download a file to the main directory or is there a particular folder within the Sophos that I should browse to before downloading a file? 

    Thanks!

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  • 0 in reply to sachingurung

    Hey Sachingurung,

     

    As per my latest reply to BAlfson, I have used ifconfig while running the video conferences and there was no increase in dropped packets or collisions. 

    I havnt used the wget command yet though. Am I safe to download a file to the main directory or is there a particular folder within the Sophos that I should browse to before downloading a file? 

    Thanks!

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