Unknown protocol -- "pn_rt"

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i am in linux environment ,when i run command below

[test@pekphispre03021 test]$ tshark -r test.pcapng -d ethertype==0x8892,pn_rt -T fields -e _ws.col.Source -e _ws.col.Destination -e _ws.col.Protocol -E header=n -E separator=, -E occurrence=f

tshark: Unknown protocol -- "pn_rt"

tshark: Valid protocols for layer type "ethertype" are:
....

how to resolve this problem?

zmmmm

asked 2021-04-15 06:56:04 +0000

23.8k

grahamb

updated 2021-04-15 08:06:34 +0000

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tshark version info?

grahamb (2021-04-15 08:06:11 +0000) edit

version 3.4.3

zmmmm (2021-04-15 08:22:37 +0000) edit

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thank you ,i find the plugins directory has no permission,then i modify it ,done.

zmmmm (2021-04-15 09:54:56 +0000) edit

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Unknown protocol -- "pn_rt" edit

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