From: Venkataramanaiah.R (vramanaiah@gmail.com)
Date: Wed Nov 23 2005 - 12:35:18 GMT-3
If it clear text, then i think, virtual link need not be
authenticated, they would come up in any case.. for MD5, ofcourse, you
must configure explicitly.
-V
On 11/23/05, Edwards, Andrew M <andrew.m.edwards@boeing.com> wrote:
> Dave/Steven,
>
> Yes you do. A virtual-link, being an extension of area 0, does require
> the same authentication on the virtual-link as the rest of the routers
> in area 0.
>
> If you were using link authentication it's a different story. But,
> because your question pertains to authentication applied to the entire
> area, you need to authenticate the virtual-link and then under the OSPF
> process tell the router to authenticate area 0 with the correct type
> (md5/clear text).
>
> Lab it up.
>
> HTH,
>
> Andy
>
>
>
> -----Original Message-----
> From: Schulz, Dave [mailto:DSchulz@dpsciences.com]
> Sent: Wednesday, November 23, 2005 5:42 AM
> To: steven richards; ccielab@groupstudy.com
> Subject: RE: Question on using Authentication over Virtual Links
>
>
> I did not see any responses to this question, but I believe the answer
> is that you do not need to authenticate the virtual link, when using
> area 0 authentication. However, I am going to lab that up to make
> certain. Please someone correct me if I am wrong.
>
>
> Dave Schulz,
> Email: dschulz@dpsciences.com
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> steven richards
> Sent: Tuesday, November 22, 2005 5:01 AM
> To: ccielab@groupstudy.com
> Subject: Question on using Authentication over Virtual Links
>
> hello,
>
> a virtual link is an extension to area 0. So if I had three routers that
>
> where in a hub and spoke network that where connected via area 10. And
> one
> of the spokes was connected to area 0. And I where using clear text in
> area
> 0 and message digest in area 10. I believe I would need to use clear
> text
> auth over the virtual link since it is an extension to area 0 even
> though it
> is physically connected to routers that are using message digest to
> connect
> to each other. Is this a correct assumption ?
>
>
> Thanks,
>
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