From: Stephen C. Feldberg (scfeldberg@xxxxxxxxxxx)
Date: Thu Dec 27 2001 - 12:35:08 GMT-3
The routers I configured with ISIS were running 11.2(26a). I do not know
when this changed.
Steve
----- Original Message -----
From: "Bauer, Rick" <BAUERR@toysrus.com>
To: "'Stephen C. Feldberg'" <scfeldberg@hotmail.com>
Cc: <ccielab@groupstudy.com>
Sent: Thursday, December 27, 2001 9:50 AM
Subject: RE: ISIS Level1/Level2 default route question
> Actually, you don't need default-information originate if your L1/L2 is
> connected to another area. I just did some testing and you are correct
with
> the default route 0/0, this is contrary to Doyle v1 and what I have seen
in
> past IOS 10 and 11. Do you have any information on when this changed?
>
>
> -----Original Message-----
> From: Stephen C. Feldberg [mailto:scfeldberg@hotmail.com]
> Sent: Wednesday, December 26, 2001 8:09 PM
> To: Bauer, Rick
> Cc: ccielab@groupstudy.com; tsungdapaulyoung@yahoo.com
> Subject: Re: ISIS Level1/Level2 default route question
>
>
> Default originate does not require a default route to be present in the
> table of the Level 1-2 router.
>
> Steve
> ----- Original Message -----
> From: "Bauer, Rick" <BAUERR@toysrus.com>
> To: "'Stephen C. Feldberg'" <scfeldberg@hotmail.com>
> Sent: Wednesday, December 26, 2001 11:21 AM
> Subject: RE: ISIS Level1/Level2 default route question
>
>
> > A default route and default originate is another way to achieve the same
> > thing, as I said.
> >
> > I have found some strange things with 12.1. Now if your L1/L2 is
connected
> > to another area then a default route automatically generated, in
previous
> > versions you had use default originate/default route or enable clns
> routing
> > in order for the ATT bit to be passed to L1.
> >
> >
> >
> > -----Original Message-----
> > From: Stephen C. Feldberg [mailto:scfeldberg@hotmail.com]
> > Sent: Wednesday, December 26, 2001 10:19 AM
> > To: Bauer, Rick; ccielab@groupstudy.com; Paul Young
> > Subject: Re: ISIS Level1/Level2 default route question
> >
> >
> > 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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