Re: OSPF Authentication

From: Jason Morris (mcnever@gmail.com)
Date: Sat Feb 21 2009 - 22:43:53 ARST


my question more revolves around grading what you would consider correct.

if the question says 'configure authentication for area x', would you
consider configuring authentication under all the interfaces in that area as
meeting the requirements for the question? ie not using the 'area x auth'
command under the routing process.

is there a show command that will show required authentication for an area
vs using the 'sho ip os int' and seeing the authentication configured for
each interface?

i ask because normally i wouldnt even think about it in the lab, i'd
consider it the same thing... it would never accure to me to ask the proctor
if he/she had a preferance...

On Sat, Feb 21, 2009 at 7:02 PM, <ron.wilkerson@gmail.com> wrote:

> You're half right.
>
> 2 ways to authenticate in ospf. You have the 1st way with your example,
> configuring under the interface. The second method is to enable it under
> the routing process. If you enable authentication in the routing process,
> then all interfaces for that area should be configured with a key or
> password.
>
> Just depends where you want to enable authentication, in the routing
> process or the interface. Either way, you have to configure the key under
> the interface.
>
>
>
> -----Original Message-----
> From: Jason Morris <mcnever@gmail.com>
>
> Date: Sat, 21 Feb 2009 18:27:32
> To: Cisco certification<ccielab@groupstudy.com>
> Subject: OSPF Authentication
>
>
> I have what could be a question of opinion.
>
> if a lab requires you to use authentication in an OSPF area, and you
> configure authentication on all the links in that area and they are using
> authentications but you don't issue the 'area x authentication' command
> under the routing process, (assuming you've done it on the inter) would you
> say thats correct?
>
> I'm saying that OSPF doesnt authenticated areas it authenticates links and
> the area x authentication command just tells the router all links in that
> area should use authentication... right?
>
> thoughts?
>
>
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