From: Jian Gu (guxiaojian@gmail.com)
Date: Mon Mar 19 2007 - 19:29:17 ART
Dear senior consultatant,
You are blocking (IGP) adjacency with other one to prevent LDP session from
forming? nice solution.
So is LDP authentication a valid solution or not?
On 3/19/07, Robert McCallum <RMcCallum@thrupoint.net> wrote:
>
> Really? Are you sure? Think about it!! Come on think about this how can
> you stop a router forming an ADJACENCY with the other one? Who cares
> about
> LDP - stop it before ldp even has a chance to get in there.
>
> OR use the new command - bearing in mind I sat my lab over a year ago ;-)
> Robert McCallum
> Senior Consultant
> Mobile : +44(0)7818002241
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Jian Gu
> > Sent: 19 March 2007 19:47
> > To: Robert McCallum
> > Cc: Dishan Gamage; Cisco certification; Cisco certification
> > Subject: Re: mpls ldp authentication question !!
> >
> > How does IGP global command have anything to do with LDP authentication?
> > you
> > must be mistaken.
> >
> > On 3/19/07, Robert McCallum <RMcCallum@thrupoint.net> wrote:
> > >
> > > Hmm I thought I had replied to this. Oh well - Clue : Check your IGP
> > > Global
> > > commands.
> > >
> > > Robert McCallum
> > > Senior Consultant
> > >
> > > > -----Original Message-----
> > > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > Of
> > > > Dishan Gamage
> > > > Sent: 19 March 2007 11:44
> > > > To: Cisco certification; Cisco certification
> > > > Subject: mpls ldp authentication question !!
> > > >
> > > > Hi Group
> > > >
> > > >
> > > >
> > > > I have PE1 & PE2 configured to use md5 for LDP, working fine...
> > > >
> > > > PE1
> > > >
> > > > mpls ldp neighbor 172.16.12.2 password abcdef
> > > >
> > > >
> > > > PE2
> > > >
> > > > mpls ldp neighbor 172.16.12.1 password abcdef
> > > >
> > > >
> > > > the question says to block a new PE (eg PE3), from joining into the
> > mpls
> > > > domain without using an ACL
> > > >
> > > > I see that when PE3 boots up it also establish ldp neighbor
> > > > relationships..................
> > > >
> > > > can someone explain how this can be done ??
> > > >
> > > > tks in advance
> > > > dishan
> > > >
> > > >
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