Sometimes, I need to see the packet with wireshark tool. I have to calculate sequence numbers. I have learned the IP packet size is 1540 (MSS is 1460). However, I can see the more size in the packet. This post is good for me.
This is whole diagram to understand my situation. This is the reason why I need to capture the packet with switch port.
Please look at the first Syn packet. There is MSS is 8961. In blow, I wrote the MSS size is 1460. However, the wireshark show more than 8961.
How to calculate sequence number of the TCP/IP packets?
How to calculate sequence number of the TCP/IP packets? I am the network engineer. Recently, I have some change to remember the sequence number of the TCP/IP packets. Someone include me think that t..
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Thus, this is not perfect number.
[ Reference ]
[ 1 ] https://packetbomb.com/how-can-the-packet-size-be-greater-than-the-mtu/
[ 2 ] https://createnetech.tistory.com/25?category=672583
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