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

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

ranger5760@gmail.com's avatar
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asked 2020-04-11 22:29:48 +0000
Guy Harris's avatar
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Guy Harris
updated 2020-04-12 04:46:07 +0000
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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's avatar Chuckc (2020-04-12 03:35:33 +0000) edit
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looking for capture filters to only capture rip and ospf packets

ranger5760@gmail.com's avatar [email protected] (2020-04-12 03:48:56 +0000) edit
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1 Answer

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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
Guy Harris's avatar
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Guy Harris
answered 2020-04-12 04:52:08 +0000
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