Forum Discussion
Big IP Packet size
Hi everyone, I'm investigating some mp4 video streaming issues via F5 LB. For some reason after a few minutes of streaming, the video stops working with TCP ZeroWindowProbe error. I suspect some packet fragmentation issue in LB or in the web browser, but not sure. I see some strange thing when making a packet capture I see a packet size of 1632B on the Load balancer, but 1414B on the client, can someone could suggest to me, what could be the reason?
Hi,
The LTM has many features to reduce the size of the traffic, so is normal to see these differences in size, Could you try to configure a Performance (Layer 4) virtual server? for streaming video is probably not recommended to use a standard virtual server and inspect the layer7.
If layer 7 is needed, you probably must play modifying the windows size in a custom TCP profile to fit your application.
Hope it help.
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