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What's a capture filter that captures only RIP and OSPF packets?

asked 2020-04-11 22:29:48 +0000

updated 2020-04-12 04:46:07 +0000

Guy Harris gravatar image

I'm new to Wireshark and cannot figure out how to capture rip and ospf packets

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You're looking for a capture filter to only capture rip and ospf packets?
Or unable to capture them at all?

Chuckc gravatar imageChuckc ( 2020-04-12 03:35:33 +0000 )edit

looking for capture filters to only capture rip and ospf packets gravatar image[email protected] ( 2020-04-12 03:48:56 +0000 )edit

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answered 2020-04-12 04:52:08 +0000

Guy Harris gravatar image

RIP uses UDP port 520, and RIPng uses UDP port 521.

OSPF runs directly on top of IP, using IP protocol number 89.

So the filter would be

udp port 520 or udp port 521 or ip proto 89
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Asked: 2020-04-11 22:29:48 +0000

Seen: 945 times

Last updated: Apr 12 '20