From: CCIE Candidate (ccie2001ca@xxxxxxxx)
Date: Wed Dec 26 2001 - 22:15:16 GMT-3
default route is generated in Level 1 area if L1/L2
has connection to some L2 router (even if there is no
default-information originate" command).
Cheers
KJ
--- "Stephen C. Feldberg" <scfeldberg@hotmail.com>
wrote:
> 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.
> >
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:32:47 GMT-3