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What's the "frame.packet_id" field?

asked 2022-12-10 17:03:16 +0000

wireschark gravatar image

updated 2022-12-10 17:04:36 +0000

I searched and some says frame.packet_id is "a unique identifier that is assigned to each network packet". I tried to get it in my Lua dissector but the field always returned nil. The earlier did not report error so I suppose frame.packet_id is a valid field name.

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answered 2022-12-10 17:25:00 +0000

Jaap gravatar image

This is a reflection of an PCAPNG Enhanced Packet Block option which may or may not be present for the packet. Unless the capture engine adds this option in the capture file, it will not be there. Dumpcap, used by Wireshark, does not add this option.

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Asked: 2022-12-10 17:03:16 +0000

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Last updated: Dec 10 '22