From: dara tomar (wish2ie@gmail.com)
Date: Sun Mar 02 2008 - 17:46:05 ARST
*Yup Yup,
Both are right in there own way, in what they are talking about!!!
Regards,
Dara*
On Mon, Mar 3, 2008 at 1:07 AM, shiran guez <shiranp3@gmail.com> wrote:
> probably simple misunderstanding :-)
>
> On Sun, Mar 2, 2008 at 7:51 PM, Rik Guyler <rik@guyler.net> wrote:
>
> > Shiran, I'm not sure what you mean here but I was saying that the
> virtual
> > link is part of area 0 and should follow suit with the authentication
> method
> > defined under the process. Since he configured area 0 to use MD5 under
> the
> > process and the VL is part of area 0 then the VL will be required to use
> MD5
> > authentication. I wasn't implying that all the routers in the area now
> need
> > MD5 or whatever.
> >
> > Rik
> >
> > ------------------------------
> > *From:* shiran guez [mailto:shiranp3@gmail.com]
> > *Sent:* Sunday, March 02, 2008 11:06 AM
> > *To:* Rik Guyler
> > *Cc:* Tandou Mohamed; Cisco certification
> > *Subject:* Re: OSPF AUTHENTICATION
> >
> > Rik
> >
> > That is not correct, there is a misconception that Area Authentication
> in
> > OSPF is really for the entire Area, it is not.
> > the Authentication is per link the type of the Authentication is per
> Area
> > in Cisco but it is not a must requirement according to the RFC.
> >
> > you must specify in the configuration Authentication parameters on each
> > link you want to authenticate other wise it is null authentication.
> >
> > 3 types of Authentication in OSPF
> >
> > null - the default what every one know as no authentication but actually
> > it is so considered authentication
> > simple - clear text authentication
> > digest - the hash method in cisco using md5 but also according to the
> RFC
> > you can select what you want to use as digest.
> >
> > Cisco OSPF Authentication
> >
> > when you want to authenticate a virtual link or any other interface you
> > must specify it, there is no global command, the only thing that you can
> set
> > global for an area under the router ospf is the method
> (null,simple,digest)
> > but other then null you will need to specify on the interface or virtual
> > link the key's (passwords you will use) so the global area
> authentication is
> > the one that create the confusion
> >
> > On Sun, Mar 2, 2008 at 5:53 PM, Rik Guyler <rik@guyler.net> wrote:
> >
> > > A virtual link is considered part of area 0 so if you are running
> > > authentication on the entire area or the lnk into area 0 then you do
> > > need
> > > the authentication.
> > >
> > > Rik
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > > Tandou Mohamed
> > > Sent: Sunday, March 02, 2008 10:18 AM
> > > To: Cisco certification
> > > Subject: OSPF AUTHENTICATION
> > >
> > > Hello GS,
> > > is this config below is ok? or don't need to configure area 41
> > > authentication message-digest
> > >
> > > Thanks
> > >
> > > router ospf 1
> > > router-id 150.150.6.6
> > > log-adjacency-changes
> > > area 0 authentication message-digest
> > > area 41 authentication message-digest
> > > area 41 virtual-link 9.9.2.2 message-digest-key 1 md5 cisco
> > >
> > > Mohamed
> > >
> > >
> > >
> > > ---------------------------------
> > > Never miss a thing. Make Yahoo your homepage.
> > >
> > >
> _______________________________________________________________________
> > > Subscription information may be found at:
> > > http://www.groupstudy.com/list/CCIELab.html
> > >
> > >
> _______________________________________________________________________
> > > Subscription information may be found at:
> > > http://www.groupstudy.com/list/CCIELab.html
> > >
> >
> >
> >
> > --
> > Shiran Guez
> > MCSE CCNP NCE1
> > http://cciep3.blogspot.com
> > http://www.linkedin.com/in/cciep3
> >
>
>
>
> --
> Shiran Guez
> MCSE CCNP NCE1
> http://cciep3.blogspot.com
> http://www.linkedin.com/in/cciep3
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Tue Apr 01 2008 - 07:53:52 ART