From: Brad Hedlund (BHedlund@xxxxxxxxxxxxxxxxxxx)
Date: Wed Jan 26 2000 - 01:58:34 GMT-3
Alex,
You will need to specify 'area 0 authentication message-digest' on R1 as
well.
-Brad
>
> Alex,
> Without looking at your configs, I believe you need to configure
> authentication on your virtual link on both routers since it
> is an extension
> of your area 0. The syntax is something like...
>
> router ospf 100
> area 4 virtual-link x.x.x.x message-digest ....
>
> Hope this helps, please let me know,
> Ben (Feb 6-7, RTP)
>
> ----- Original Message -----
> From: "Alex Yeung" <alex.yeung@lmco.com>
> To: "CCIELAB" <ccielab@groupstudy.com>
> Sent: Tuesday, January 25, 2000 9:15 PM
> Subject: OSPF Virtual Link and Authentication
>
>
> > Hi All,
> >
> > I run into a strange problem with ospf virtual link &
> authentication:
> >
> > r1 ---- r2 ---- r3
> >
> > r1's lo int is in area 4
> > link between r1 and r2 is in area 3
> > link between r2 and r3 is area 0
> >
> > Virtual link is configured on r2 and r3 for area 4 use area
> 3 as transit
> > area. For learning purpose, I configured area 0 to use md5
> authentication,
> > as soon as I configured that, the virtual link is not
> longer working. Then
> I
> > tried the 'message-digest-key' option with the 'area
> virtual' command, but
> > still doesn't work.
> >
> > Any ideas?
> >
> > Thanks in advance for your response.
> >
> > Alex Yeung, CCNP, MCSE
> > Network Engineer
> >
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