[FROG] IS-IS HMAC-MD5 Authentication Not Working

Mark Tinka mark.tinka at seacom.mu
Tue Apr 7 10:42:57 EDT 2020


Hi all.

So I've been trying to get IS-IS to talk to a Cisco IOS XE box with
HMAC-MD5 authentication, with no luck.

I created an MD5 hash of the clear-text password, and also tried it with
the clear-text password, and neither work.

Cisco says the neighbor has the wrong password.

There is an example for doing this with authentication at the bottom of
http://docs.frrouting.org/en/latest/isisd.html , but the actual
configuration example does not say anything about authentication.

Thoughts?

Mark.
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