[j-nsp] autonomous-system loop

[Janto Cin]

Sorry that I didn't mention if this network based on Cisco.
What if I use loop 2 in M10 and then as-path filter?

-----Original Message-----
From: Pedro Roque Marques <roque at juniper.net>
To: "Wayne E. Bouchard" <web at typo.org>
Date: Mon, 17 Nov 2003 11:01:10 -0800 (PST)
Subject: Re: [j-nsp] autonomous-system loop

> Wayne E Bouchard writes:
> 
> > Please not that if you use the as-override, you're not protected on
> > your other links.
> 
> Not sure which entity you are refering too... 'as-override' (applied
> on AS3) replaces the customer as w/ the provider as. As such it does
> not change in any way the loop detection mechanism in the provider
> network and it avoids having to have the customer network (AS2 in this
> case) set 'loops' to 2.
> 
> > You'll probably want to set up an as-path filter
> > to make sure you don't receive your own routes except from those
> > places where you INTENT to receive them. (prefix filter might even
> > be better so you can only accept the specific instances you're
> > after.)
> 
> The issues that you are raising would show up by configuring 'loops 2'
> on AS2... not by doing as-override, afaik.
> 
>   Pedro.
> 
> > On Mon, Nov 17, 2003 at 10:29:42AM -0800, Pedro Roque Marques wrote:
> >> jantocin at datacomm.co.id (Janto Cin) writes:
> >> 
> >> > Hi All, > > I've topology like below: > >
> >> AS1----AS2(M10)-----vrf1 AS3 (MPLS Backbone) vrf2----AS2----AS4 > >
> >> Currently I'm configuring M10 in AS2.  > Is it recommended it this
> >> situation to use "autonomous-system loop" in > M10 or we have
> >> another solution for this?  >
> >> 
> >> as-override.
> >> 
> >>   Pedro.  _______________________________________________
> >> juniper-nsp mailing list juniper-nsp at puck.nether.net
> >> http://puck.nether.net/mailman/listinfo/juniper-nsp
> 
> > --- Wayne Bouchard web at typo.org Network Dude
> > http://www.typo.org/~web/
>