From: Michael White (mickdcsw@charter.net)
Date: Fri Apr 02 2004 - 18:30:55 GMT-3
David,
This is normal bevavior. ISIS will inject a default route and suppress all
L2 routes over a L1 link reguardless of the presence of 0.0.0.0 in the
routing table. To advertise the L2 routes as L1 routes form R6 you would
need to configure route leaking.
-Mike
----- Original Message -----
From: "David Hurtado" <dei2viccie@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Friday, April 02, 2004 2:29 PM
Subject: RE: Strange route leaking situation
> Hello Brian,
>
> This is in lab 14, task 5.22
>
>
> >From: "Brian McGahan" <bmcgahan@internetworkexpert.com>
> >Reply-To: "Brian McGahan" <bmcgahan@internetworkexpert.com>
> >To: "David Hurtado" <dei2viccie@hotmail.com>, <ccielab@groupstudy.com>
> >Subject: RE: Strange route leaking situation
> >Date: Fri, 2 Apr 2004 14:04:52 -0500
> >
> >David,
> >
> > Which lab is this in?
> >
> >
> >
> >Brian McGahan, CCIE #8593
> >bmcgahan@internetworkexpert.com
> >
> >Internetwork Expert, Inc.
> >http://www.InternetworkExpert.com
> >Toll Free: 877-224-8987 x 705
> >Outside US: 775-826-4344 x 705
> >
> >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> >Of
> > > David Hurtado
> > > Sent: Friday, April 02, 2004 12:54 PM
> > > To: ccielab@groupstudy.com
> > > Subject: Strange route leaking situation
> > >
> > > Helo everybody,
> > >
> > > I thougth that i have understood IS-IS route leaking and when it's
> >needed,
> > > but a have found a suprising situation that i cannot explain:
> > >
> > >
> > > (BB1)ATM0/0.201-------------------------- Dialer6 (R6)
> > > Ethernet2/0--------------------Level-2 routers
> > > Level 1 router Level 1/2 router
> > >
> > >
> > >
> > > R6 connects to a Level-1 router (BB1) thru Dialer 6 and to a group of
> > > Level-2 routers thru the Ethernet 2/0. R6 receives a Level-2 default
> >route
> > > from the group of Level-2 routers:
> > >
> > >
> > > interface Ethernet2/0
> > > ip router isis TODOS
> > > isis circuit-type level-2-only
> > >
> > >
> > > interface Dialer6
> > > ip address 54.1.8.6 255.255.255.0
> > > ip router isis TODOS
> > > isis circuit-type level-1
> > >
> > >
> > > router isis TODOS
> > > net 49.2490.0001.0001.0006.00
> > > net 49.0001.0001.0001.0006.00
> > >
> > >
> > >
> > > R6#sh ip route
> > > <snip>
> > > i*L2 0.0.0.0/0 [115/20] via 204.12.1.3, Ethernet2/0
> > >
> > >
> > >
> > > BB1 connects to R6 thru a Level-1 association and receives the default
> > > route
> > > as Level-1!!!!!!!:
> > >
> > >
> > > interface ATM2/0
> > > no ip address
> > > no atm ilmi-keepalive
> > > pvc 0/5 qsaal
> > > !
> > > pvc 0/16 ilmi
> > > !
> > > interface ATM2/0.301 point-to-point
> > > pvc 1/301
> > > protocol ppp Virtual-Template11
> > > !
> > > interface Virtual-Template11
> > > ip router isis 1
> > >
> > > router isis 1
> > > is-type level-1
> > >
> > >
> > > BB1#s ip route
> > > <snip>
> > > i*L1 0.0.0.0/0 [115/10] via 54.1.8.6, Virtual-Access3.1
> > >
> > >
> > > The default route is the only Level-2 route that R6 passes to BB1.
> > >
> > > From what i know about IS-IS, by default a Level-1/2 router (R6)
> >doesn4t
> > > pass Level-2 routes to a Level-1 router (BB1). You need route leaking
> >to
> > > pass Level-2 routes to a Level-1 area.
> > >
> > > Could somebody tell why it works in this way?
> > >
> > > If you want more debugs or shows, just tell me.
> > >
> > > Thanks for the help
> > >
> > > _________________________________________________________________
> > > Consigue aqum las mejores y mas recientes ofertas de trabajo en
> >Amirica
> > > Latina y USA: http://latino.msn.com/empleos
> > >
> > >
> >_______________________________________________________________________
> > > Please help support GroupStudy by purchasing your study materials
> >from:
> > > http://shop.groupstudy.com
> > >
> > > Subscription information may be found at:
> > > http://www.groupstudy.com/list/CCIELab.html
> >
> >_______________________________________________________________________
> >Please help support GroupStudy by purchasing your study materials from:
> >http://shop.groupstudy.com
> >
> >Subscription information may be found at:
> >http://www.groupstudy.com/list/CCIELab.html
>
> _________________________________________________________________
> Encuentra a tu media naranja entre los perfiles que mas te gusten. Toda la
> magia del romance en MSN Amor & Amistad. http://match.msn.es/
>
> _______________________________________________________________________
> Please help support GroupStudy by purchasing your study materials from:
> http://shop.groupstudy.com
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Mon May 03 2004 - 19:48:43 GMT-3