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File Transfer is Failing after F5

asked 2021-11-11 01:49:57 +0000

Subrun gravatar image

Here 142.67.47.12 is source and 10.8.17.80 is the VIP IP at F5.

Question is why it is saying below TCP messages all the time ?

[ TCP Previous segment not captured ] [ TCP Acked unseen segment ]

I am not able to attach screenshot due to I have no points.

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answered 2021-11-11 08:04:16 +0000

BigFatCat gravatar image
  1. [TCP Previous segment not captured ] Wireshark is telling you there is a gap in the TCP sequence numbers.

  2. [ TCP Acked unseen segment ] Wireshark is telling you there is TCP ACK for a sequence number that wasn't in the capture.

The problem is that the sniffer isn't capturing all the packets or there is a split path. The F5 is a low balancer, so a split path is a high probability.

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If it is a split path, then I would try to test using one path at a time.

BigFatCat gravatar imageBigFatCat ( 2021-11-11 10:03:12 +0000 )edit

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Asked: 2021-11-11 01:49:57 +0000

Seen: 24 times

Last updated: Nov 11