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Questions - pcapplusplus

the BPF filter dit not work with vlan packets

I captured some packets with pcapplusplus on our Ubuntu server, and wrote to .pcap files, then I read the .pcap files, it just worked fine; but when I set the filter with BPF Syntax，it could not rea...
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The dream of salt fish

bpf

vlan

pcapplusplus

Votes: 0

Answers: 2

Latest Answer

TL;DR. You need to use the filter vlan and tcp to catch TCP packets with a VLAN tag. Explanations We can look at what BPF filter is generated when using only tcp: $ tcpdump -d -i eth0 tcp (000) ldh ...
test-img

pchaigno

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