Google meet performance issue

[Mayank_Srivastava]

I am stuck in a situation where I am facing an issue with Google Meet video and voice within the enterprise network.

I am using a 100F FortiGate firewall and have created a policy to block all unnecessary traffic from the public internet. Additionally, I have created a policy for Google Meet with no inspection. However, I am still facing the same issue.

Can anyone help me with this? Is there any issue with NPU-offloading which is causing the issue in the google meet performance.

1. Implemented QoS for Google Meet, but it did not work.

2. Implemented a no-inspection policy to bypass UTM features.

#fortigate

[funkylicious]

what is the issue more specifically?

no video/audio during the meet or something else ?

[Mayank_Srivastava]

Yes, there is an issue with the audio/video continuously breaking during the Google Meet.

[funkylicious]

any DoS policy applied by any chance ?

L.E. are you using ISBD objects as destination for Google Meet or some specific ip's / ports in the fw rule ?

[Mayank_Srivastava]

Yes, there is a DoS policy implemented with the default values.

Yes, I use the ISDB objects as the destination for Google Meet and have also used the specific IP in the firewall policy, but the same issue is still occurring.

[funkylicious · Accepted solution]

try implementing something similar to this, but based/adapt it on Meet

https://community.fortinet.com/t5/FortiGate/Technical-Tip-Using-Microsoft-Teams-with-DOS-Policy/ta-p...

ports used by Meet appear to be UDP/3478 and UDP/19302​–19309

https://support.google.com/a/answer/1279090?hl=en#zippy=%2Cstep-set-up-outbound-ports-for-media-traf...

also, in the fw rule for this traffic try, set tcp mss sender and receiver on 1300