Re: ISIS MD5 authentication question?

From: Venkataramanaiah.R (vramanaiah@gmail.com)
Date: Wed Nov 16 2005 - 13:00:36 GMT-3


Just one relation question...

i am running L2 only adj everywhere.. and i use domain password under
router isis.

If there is a mismatch in password, IOS reports the mismatch, but it
does not prevent the routes from getting installed? Is this a bug or
am i wrong in understanding of isis auth?

TIA
-Venkat

On 10/20/05, Victor Cappuccio <cvictor@protokolgroup.com> wrote:
> Thanks for the Update Chris..
>
>
> Chris Lewis wrote:
>
> > ISIS MD5 authentication has been supported since 12.2(13)T as
> > specified below, and te routers you'll use in the lab are capable of
> > having it configured on them..
> >
> > http://www.cisco.com/univercd/cc/td/doc/product/software/ios122s/122snwft/release/122s14/ftismd5.htm
> >
> > */Victor Cappuccio <cvictor@protokolgroup.com>/* wrote:
> >
> > Hello,
> >
> > Level 1/2 mode is the default configuration in Cisco Routers, for
> > general authentication are based if you are L1 or L2 connection,
> > for L2
> > is a domain Password in router ISIS.. For L1 is an Area Password -
> > You
> > must take in account your topology .. also we can set up the
> > passwords
> > on specifics interface . If you do not specify a level, the
> > default is
> > Level 1. By default, authentication is disabled. All Authentication
> > right now in ISIS is Clear Text, I think that the IOS Version that we
> > are having in the lab does not support MD5, but the configuration for
> > MD5 in Service Providers IOS is the same as we do in EIGRP or RIPv2
> >
> > HTH
> > Victor.
> >
> >
> > Cisco Nuts wrote:
> >
> > > Hello:
> > >
> > > For ISIS MD5 authentication, is it ok in the Lab to just
> > configure it
> > > under the interface for either level-1 or level-2 - depending on
> > the
> > > isis type.
> > >
> > > In the config. guide, it clearly has it under the router isis also.
> > >
> > > And same for clear text authentication too.
> > >
> > > Are both reqd or just one?
> > >
> > > Thanks.
> > >
> > >
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