From: David Hurtado (dei2viccie@hotmail.com)
Date: Fri Apr 02 2004 - 16:27:44 GMT-3
The point is that i'm not using route leaking and the default route appears
as if i was using it. There should not be any default route in BB1.
>From: <OzgurG@garanti.com.tr>
>Reply-To: <OzgurG@garanti.com.tr>
>To: <dei2viccie@hotmail.com>, <ccielab@groupstudy.com>
>Subject: RE: Strange route leaking situation
>Date: Fri, 2 Apr 2004 22:05:24 +0300
>
>remove route leaking on R6, you ll see L1 default is still there...
>does that mean something?
>
>Ozgur
>
>________________________________
>
>From: nobody@groupstudy.com on behalf of David Hurtado
>Sent: Fri 4/2/2004 9:53 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
>
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