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

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

[email protected]
1

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

Guy Harris
19890 ●3 ●634 ●207

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

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Comments

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

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

looking for capture filters to only capture rip and ospf packets

[email protected] ( 2020-04-12 03:48:56 +0000 )edit

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

Guy Harris
19890 ●3 ●634 ●207

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

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Last updated: Apr 12 '20

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