From: Stephen C. Feldberg (scfeldberg@xxxxxxxxxxx)
Date: Wed Dec 26 2001 - 12:18:34 GMT-3
CLNS is not required in this scenario. To achieve the result you are
looking for, use the "default-information originate" statement under isis
router configuration on the Level1-2 router.
R2#sh run
!
interface Ethernet0
ip address 10.1.1.2 255.0.0.0
no ip directed-broadcast
ip router isis
!
router isis
default-information originate
net 10.0000.0000.0001.00
!
R4# sh run
!
interface Ethernet0
ip address 10.1.1.4 255.0.0.0
no ip directed-broadcast
ip router isis
no ip route-cache
no ip mroute-cache
!
router isis
net 10.0000.0000.0002.00
is-type level-1
!
R4#sh ip route
i*L2 0.0.0.0/0 [115/10] via 10.1.1.2, Ethernet0
Steve
----- Original Message -----
From: "Bauer, Rick" <BAUERR@toysrus.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, December 26, 2001 7:51 AM
Subject: RE: ISIS Level1/Level2 default route question
> You need to add clns router isis to the interfaces that connect to your L1
> routers. Remember the ATT bit is not understood by a router only running
ip
> router isis? Or you could on the L2/L1 add a static 0/0 to the null and
use
> default originate.
>
> -----Original Message-----
> From: Paul Young [mailto:tsungdapaulyoung@yahoo.com]
> Sent: Wednesday, December 26, 2001 12:38 AM
> To: ccielab@groupstudy.com
> Subject: ISIS Level1/Level2 default route question
>
>
> Hi group:
>
> I'm a little puzzled over why my isis level1/level2
> routers won't propergate a default route to the isis
> level-1 routers it's connected to. Below is the
> setup:
>
> level-1 router ---- Level-1/2 router (net 49.0001)
> ---- Level-1/2 router (net 49.0002)--- level-1 router
>
> Doesn't isis level1/level2 router suppose to
> propergate a default route to the isis level-1 router?
> I was thinking that's how level-1 router can reach a
> level-1 router that resides in a different area (see
> above).
>
> I could of swore I had this working in the past, I'm
> wordering if this is an IOS issue since I've recently
> upgraded IOS on my routers to 12.1(5)T10.
>
> All inputs/suggestions appreciated, thanks.
>
> Regards,
> Paul Young.
>
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