From: Steven Weber (itweber@xxxxxxxxxxxxx)
Date: Mon Apr 02 2001 - 13:36:32 GMT-3
try a default route on the rip only speaking router to 11.11.11.11 let me
know what happens. This should do the trick, Also, why bother with NSSA?
HTH
Steve
----- Original Message -----
From: "Johnny Dedon" <johnny.dedon@exodus.net>
To: "Nigel Taylor" <nigel_taylor@hotmail.com>; "Markus Haas"
<mh@nmc-m.dtag.de>
Cc: "CCIELAB" <ccielab@groupstudy.com>
Sent: Monday, April 02, 2001 12:06 PM
Subject: Re: Redistributing variably subnetted routes from OSPF into RIP
(+default-route)
> I haven't tried a scenario such as this but on the redistribution
statement
> under OSPF process, you still must include the subnets parameter for the
> redistribution to work.
>
> Johnny Dedon
> Senior Staff Consultant
> Exodus Professional Services
> johnny.dedon@exodus.net
> www.exodus.net
> ----- Original Message -----
> From: "Nigel Taylor" <nigel_taylor@hotmail.com>
> To: "Markus Haas" <mh@nmc-m.dtag.de>
> Cc: "CCIELAB" <ccielab@groupstudy.com>
> Sent: Monday, April 02, 2001 5:38 AM
> Subject: Re: Redistributing variably subnetted routes from OSPF into RIP
> (+default-route)
>
>
> > Marcus,
> > This is a very vanilla NSSA setup so in trying to
isolate
> > where the problem is I'd say drop the route-maps and see what happens..
If
> > you still don't see the default route then quite possibly this could be
> IOS
> > related.. I'll check CCO.
> >
> > Nigel.
> >
> > ----- Original Message -----
> > From: Markus Haas <mh@nmc-m.dtag.de>
> > To: Nigel Taylor <nigel_taylor@hotmail.com>
> > Cc: CCIELAB <ccielab@groupstudy.com>
> > Sent: Monday, April 02, 2001 4:08 AM
> > Subject: AW: Redistributing variably subnetted routes from OSPF into RIP
> > (+default-route)
> >
> >
> > Hi Nigel,
> >
> > here are the configs of the router:
> >
> > R1 (NSSA ABR):
> >
> > router ospf 1
> > router-id 100.100.100.100
> > area 1 nssa default-information-originate
> > network 11.11.11.11 0.0.0.0 area 0
> > network 192.168.0.1 0.0.0.0 area 1
> >
> > R2 (NSSA ASBR):
> >
> > router ospf 1
> > router-id 1.1.1.1
> > area 1 nssa
> > redistribute rip subnets route-map RIP-TO-OSPF
> > network 192.168.0.2 0.0.0.0 area 1
> > !
> > router rip
> > redistribute ospf 1 route-map OSPF-TO-RIP
> > network 10.0.0.0
> >
> > ip prefix-list OSPF-TO-RIP seq 10 permit 11.11.11.0/24 le 32
> > ip prefix-list OSPF-TO-RIP seq 20 permit 192.168.0.0/24 le 32
> > !
> > ip prefix-list RIP-TO-OSPF seq 10 permit 10.1.0.0/16 le 32
> > ip prefix-list RIP-TO-OSPF seq 20 permit 200.200.200.0/24 le 32
> > !
> > route-map OSPF-TO-RIP permit 10
> > match ip address prefix-list OSPF-TO-RIP
> > set metric 10
> > !
> > route-map RIP-TO-OSPF permit 10
> > match ip address prefix-list RIP-TO-OSPF
> > set metric 100
> > set metric-type type-2
> >
> > R3 (RIP only):
> >
> > router rip
> > network 10.0.0.0
> >
> >
> > I also tried the command you told me, but it doesn't also work.
> > The IOS version which I use on the boxes is 12.0-7T. Maybe a bug ?
> > What di you think ?
> >
> > > -----Urspr|ngliche Nachricht-----
> > > Von: Nigel Taylor [mailto:nigel_taylor@hotmail.com]
> > > Gesendet: Sonntag, 1. April 2001 18:42
> > > An: Markus Haas
> > > Cc: CCIELAB
> > > Betreff: Re: Redistributing variably subnetted routes from OSPF into
RIP
> > > (+default-route)
> > >
> > >
> > > Marcus,
> > > Post the configs... for R1 and R2... I must be missing
> > > something... at the same time try the
> > > "area 1 nssa nosummary" command and see if anything changes. The
other
> > > command should work as well.
> > >
> > > Nigel..
> > >
> > > ----- Original Message -----
> > > From: Markus Haas <mh@nmc-m.dtag.de>
> > > To: Nigel Taylor <nigel_taylor@hotmail.com>
> > > Cc: CCIELAB <ccielab@groupstudy.com>
> > > Sent: Sunday, April 01, 2001 11:39 AM
> > > Subject: AW: Redistributing variably subnetted routes from OSPF into
RIP
> > > (+default-route)
> > >
> > >
> > > > Hi Nigel,
> > > >
> > > > R2 is getting the default-route from R1. I configured on R1
> > > > "area 1 nssa default-information-originate" on R1.
> > > > R2 see the default-route from R1 and the "Gateway of
> > > > last resort will set proper. Look:
> > > >
> > > > R2#sh ip route
> > > > .
> > > > .
> > > > Gateway of last resort is 192.168.0.1 to network 0.0.0.0
> > > > .
> > > > .
> > > > 11.0.0.0/32 is subnetted, 1 subnets
> > > > O IA 11.11.11.11 [110/65] via 192.168.0.1, 00:19:10, Serial1
> > > > C 192.168.0.0/24 is directly connected, Serial1
> > > > O*N2 0.0.0.0/0 [110/1] via 192.168.0.1, 00:14:28, Serial1
> > > >
> > > >
> > > > On R2 I redistribute the Network 192.168.0.0/24 and 11.11.11.0/24
> > > > into the RIP domain. That's working fine and I see the OSPF routes
> > > > inside the RIP domain. Look:
> > > >
> > > >
> > > > R3#sh ip route
> > > > .
> > > > .
> > > > Gateway of last resort is not set
> > > > .
> > > > .
> > > > R 11.0.0.0/8 [120/10] via 10.1.3.1, 00:00:18, Ethernet0
> > > > R 192.168.0.0/24 [120/1] via 10.1.3.1, 00:00:18, Ethernet0
> > > >
> > > > The problem is that the RIP don't pick the default-route and
propagate
> > > > it within RIP. I tried the command "default-information originate"
on
> R2
> > > > under the rip process. But it doen't work.
> > > > Any other idea's ? I will also read Doyle. Maybe he has an
> > > answer for me.
> > > >
> > > > Markus
> > > >
> > > > > -----Urspr|ngliche Nachricht-----
> > > > > Von: Nigel Taylor [mailto:nigel_taylor@hotmail.com]
> > > > > Gesendet: Sonntag, 1. April 2001 16:37
> > > > > An: Markus Haas; A.Strobel
> > > > > Cc: CCIELAB
> > > > > Betreff: Re: Redistributing variably subnetted routes from
> > > OSPF into RIP
> > > > > (+default-route)
> > > > >
> > > > >
> > > > > Marcus,
> > > > > My first question is "how is r2 getting the
> > > default-route
> > > > > from r1 now...? There's actually a couple of ways to get
> > > your desired
> > > > > results in this scenario.
> > > > >
> > > > > 1. If all you need is a default-route to propagate into your
> > > rip domain
> > > > > then the "area X nssa default-information originate on the NSSA
ABR
> > > should
> > > > > get this done.
> > > > > 2. If you have specific requirements to filter IA(type 3&4 LSAs)
> then
> > > the
> > > > > "area X nssa no-summary" will fulfill this requirement.
> > > > >
> > > > > Check out Doyle's book on page 537-544, there are some great
> examples
> > > > > there..
> > > > >
> > > > > HTH
> > > > >
> > > > > Nigel..
> > > > >
> > > > >
> > > > > ----- Original Message -----
> > > > > From: Markus Haas <mh@nmc-m.dtag.de>
> > > > > To: A.Strobel <anja10@usa.net>
> > > > > Cc: CCIELAB <ccielab@groupstudy.com>
> > > > > Sent: Sunday, April 01, 2001 5:49 AM
> > > > > Subject: AW: Redistributing variably subnetted routes from
> > > OSPF into RIP
> > > > > (+default-route)
> > > > >
> > > > >
> > > > > > Hi,
> > > > > >
> > > > > > I have a similar problem too. I'am dealing with
> > > > > > default-routes between OSPP and RIPv1.
> > > > > >
> > > > > > R1--<OSPF>--R2--<RIP>--R3
> > > > > >
> > > > > > R1= NSSA ABR
> > > > > > R2= NSSA ASBR
> > > > > > R3= RIPv1 only
> > > > > >
> > > > > >
> > > > > > My problem is that I want to use the default-route
> > > > > > who's R2 is receiving from R1 inside my RIP domain.
> > > > > > I tried several thing's, but I cant get it running.
> > > > > > Have you an idea how it would work
> > > > > >
> > > > > > Markus
> > > > > >
> > > > > > > -----Urspr|ngliche Nachricht-----
> > > > > > > Von: nobody@groupstudy.com [mailto:nobody@groupstudy.com]Im
> > > > > Auftrag von
> > > > > > > A.Strobel
> > > > > > > Gesendet: Samstag, 31. Mdrz 2001 13:10
> > > > > > > An: ccielab@groupstudy.com
> > > > > > > Betreff: Redistributing variably subnetted routes from
> > > OSPF into RIP
> > > > > > >
> > > > > > >
> > > > > > > Redistributing variably subnetted routes from OSPF into RIP
> > > > > > >
> > > > > > > R3---<OSPF--<<-R2--->>>RIP-->>R1
> > > > > > >
> > > > > > > R2 is the ASBR
> > > > > > >
> > > > > > > I know one way to accomplish this is to summarize the routes
and
> > > > > > > use of "IP
> > > > > > > route xxxx null0" on R2.
> > > > > > >
> > > > > > > Correct me if I am wrong, but the other solution is the
> > > use of " ip
> > > > > > > default-network xxx " on R1.
> > > > > > > This works and I can reach the VLSM routes of R3 from R1, but
> > > > > something
> > > > > > > strange happens:
> > > > > > > After I enter the command
> > > > > > >
> > > > > > > config t
> > > > > > > ip default-network 10.1.3.0 (10.1.3.0 is on R3, with
> > > > > RIP-compatible
> > > > > > > mask)
> > > > > > > end
> > > > > > > show run
> > > > > > > .
> > > > > > > .
> > > > > > > .
> > > > > > > ip route 10.0.0.0 255.0.0.0 10.1.3.0
> > > > > > >
> > > > > > > As you see, my "ip default-network" command changes into "ip
> > > > > > > route" command!
> > > > > > >
> > > > > > > Is this behavior normal?
> > > > > > >
> > > > > > >
> > > > > > > I am puzzled. Any light would be appreciated
> > > > > > >
> > > > > > > A. Strobel
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
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