OSPF key expire rules violates RFC 2293?

Kenth Eriksson Kenth.Eriksson at infinera.com
Fri Sep 27 10:56:13 CEST 2019


Typo in the RFC number, should of course read RFC 2328.

https://tools.ietf.org/html/rfc2328#appendix-D

/k

On Thu, 2019-09-26 at 15:47 +0000, Kenth Eriksson wrote:
> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.
> 
> 
> Hi!
> 
> When an OSPF key lifetime expires then bird stops using that key. E.g.
> if the configured parameter "generate from time" expires, then bird
> reverts to an OSPF interface in unauthenticated mode.
> 
> Is this intentional? Or is it something that can be configured? I think
> it is not according to the RFC. In appendix D of RFC 2293, the
> following is stated;
> 
> "In the event that the last key associated with an interface expires,
> it is unacceptable to revert to an unauthenticated condition, and not
> advisable to disrupt routing."
> 
> Thanks,
> Kenth
> 



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