Re: OSPF MD5 authentication

I couldn't reproduce this either, but I've heard the same thing. It might be
a version thing.

Chris

On Thu, Jun 11, 2009 at 3:16 PM, Anantha Subramanian Natarajan <
anantha.natarajan_at_gravitant.com> wrote:

> Hi All,
>
> I heard(May be I didn't understood properly) that when we use MD5
> authentication on OSPF between say R1 and R2,where R1 and R2 as configured
> below and when we reload R1,while comming back,R1 will try to use the
> youngest key-id(2) to authenticate with R2 for some around 10 minutes and
> then it would try to use key-id 1 to get authenticated with R2.Is the
> stated
> above is right,if so,I may be missing something because when I tried
> this,R1
> got neighbor with R2 as soon the device came back after the reload.I am
> sure
> I misunderstood something. Also I tried the same with EIGRP but couldn't
> find the above stated characterisics.Please correct me on the same.Thanks
> for the help
>
> * R1*
>
> interface GigabitEthernet0/1
> no switchport
> ip address 172.16.1.1 255.255.255.252
> ip ospf authentication message-digest
> ip ospf message-digest-key 1 md5 test
> ip ospf message-digest-key 2 md5 cisco
>
> *R2*
>
> interface GigabitEthernet0/1
> no switchport
> ip address 172.16.1.2 255.255.255.252
> ip ospf authentication message-digest
> ip ospf message-digest-key 1 md5 test
> Regards
> Anantha Subramanian Natarajan
>
>
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Received on Thu Jun 11 2009 - 17:41:36 ART