Re: ospf/28 to igrp/24

From: Sandro Ciffali (sandyccie@xxxxxxxxx)
Date: Wed May 23 2001 - 17:32:51 GMT-3


   
David
I did the same config that you did, Pls see the config
below, I get perfect redistribution.
I have not read your config properly will read it
tonight.
Again R1 is Hub running IGRP with R4, and R2, R3 are
the OSPF spokes. Pls see the config and the routes
below

R1
interface Serial0/0
 no ip address
 no ip directed-broadcast
 encapsulation frame-relay
 no ip mroute-cache
 no frame-relay inverse-arp
!
interface Serial0/0.1 point-to-point
 ip address 172.21.18.1 255.255.255.0
 no ip directed-broadcast
 frame-relay interface-dlci 104
!
interface Serial0/0.2 multipoint
 ip address 172.21.19.1 255.255.255.240
 no ip directed-broadcast
 ip ospf network non-broadcast
 ip ospf interface-retry 0
 frame-relay map ip 172.21.19.2 102 broadcast
 frame-relay map ip 172.21.19.3 103 broadcast
 frame-relay interface-dlci 102
 frame-relay interface-dlci 103
router ospf 10
 summary-address 172.21.19.0 255.255.255.0
 redistribute igrp 1 subnets
 network 172.21.19.1 0.0.0.0 area 0
 neighbor 172.21.19.2 priority 1
 neighbor 172.21.19.3 priority 1
!
router igrp 1
 redistribute ospf 10 metric 1544 100 255 1 1500
 passive-interface Serial0/0.2
 network 172.21.0.0

R2
interface Serial0/0
 ip address 172.21.19.2 255.255.255.240
 no ip directed-broadcast
 encapsulation frame-relay
 ip ospf network non-broadcast
 ip ospf interface-retry 0
 no ip mroute-cache
 frame-relay map ip 172.21.19.1 201 broadcast
 frame-relay map ip 172.21.19.3 201 broadcast
 frame-relay interface-dlci 201
 no frame-relay inverse-arp
router ospf 20
 network 172.21.19.2 0.0.0.0 area 0

R2#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M
- mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA -
OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA
external type 2
       E1 - OSPF external type 1, E2 - OSPF external
type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS
level-2, * - candidate default
       U - per-user static route, o - ODR

Gateway of last resort is not set

     172.21.0.0/16 is variably subnetted, 3 subnets, 2
masks
O E2 172.21.19.0/24 [110/20] via 172.21.19.1,
00:03:46, Serial0/0
C 172.21.19.0/28 is directly connected,
Serial0/0
O E2 172.21.18.0/24 [110/20] via 172.21.19.1,
00:04:01, Serial0/0

R3
interface Serial0/0
 ip address 172.21.19.3 255.255.255.240
 no ip directed-broadcast
 encapsulation frame-relay
 ip ospf network non-broadcast
 ip ospf interface-retry 0
 no ip mroute-cache
 frame-relay map ip 172.21.19.1 301 broadcast
 frame-relay map ip 172.21.19.2 301 broadcast
 frame-relay interface-dlci 301
 no frame-relay inverse-arp
router ospf 30
 network 172.21.19.3 0.0.0.0 area 0

R3#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M
- mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA -
OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA
external type 2
       E1 - OSPF external type 1, E2 - OSPF external
type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS
level-2, * - candidate default
       U - per-user static route, o - ODR

Gateway of last resort is not set

        172.21.0.0/16 is variably subnetted, 3
subnets, 2 masks
O E2 172.21.19.0/24 [110/20] via 172.21.19.1,
00:00:12, Serial0/0
C 172.21.19.0/28 is directly connected,
Serial0/0
O E2 172.21.18.0/24 [110/20] via 172.21.19.1,
00:00:12, Serial0/0

R4

interface Serial0/0
 ip address 172.21.18.2 255.255.255.0
 no ip directed-broadcast
 encapsulation frame-relay
 ip split-horizon
 no ip mroute-cache
 frame-relay map ip 172.21.18.1 401 broadcast
 frame-relay interface-dlci 401
 no frame-relay inverse-arp
router igrp 1
 network 172.21.0.0

R4#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M
- mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA -
OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA
external type 2
       E1 - OSPF external type 1, E2 - OSPF external
type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS
level-2, * - candidate default
       U - per-user static route, o - ODR

Gateway of last resort is not set

     172.21.0.0/24 is subnetted, 2 subnets
I 172.21.19.0 [100/8576] via 172.21.18.1,
00:00:22, Serial0/0
C 172.21.18.0 is directly connected, Serial0/0

--- Mannan Venkatesan <venkat_m@ins.com> wrote:
> Unless, you see /24 route to null0 on R1, you will
> not able to ping OSPF
> network from R4. I think 'redistribute connected' is
> the culprit but I need
> to test it in the lab. 'Sh ip route and sh ip ospf
> data' results would help.
> I have tried this many times and it worked for me.
>
> HTHs,
> Mannan
>
>
> ----- Original Message -----
> From: "David Anderson" <dma@cisco.com>
> To: "Johnny Dedon" <johnny.dedon@exodus.net>
> Cc: <ccielab@groupstudy.com>
> Sent: Wednesday, May 23, 2001 2:23 PM
> Subject: Re: ospf/28 to igrp/24
>
>
> > Johnny,
> > I don't have access to my lab right now, but on R1
> and R4 all of the
> > correct routes were in the routing tables, except
> the summary-address on
> > all of the routers. I tore everything down and
> did it from scratch and
> > there is still no route to null 0 showing up on
> the ASBR or a
> summary-route
> > on R2, R3, or R4. I don't quite understand why
> the route to null 0
> refuses
> > to show up on R1 ???
> > Thanks,
> > David
> > At 12:28 PM 5/23/2001 -0500, Johnny Dedon wrote:
> > >David,
> > >Can you post the sho ip route from R1 and R4.
> > >You should see a route to null0 on R1 and the
> routes and the 24 bit route
> > >should show up on r4.
> > >
> > >Just for info purposes, the distribute-list 1 out
> statement you are using
> > >under the ospf router process is of no use. It
> will not work with OSPF.
> > >You do not need the redistribute connected
> either.
> > >
> > >Johnny Dedon
> > >Senior Staff Consultant
> > >Exodus Professional Services
> > >johnny.dedon@exodus.net
> > >www.exodus.net
> > >----- Original Message -----
> > >From: "David Anderson" <dma@cisco.com>
> > >To: <ccielab@groupstudy.com>
> > >Sent: Wednesday, May 23, 2001 10:52 AM
> > >Subject: ospf/28 to igrp/24
> > >
> > >
> > > > Hi everyone,
> > > > First, I would like to thank everyone who
> responded to my
> redistribution
> > > > question a couple of days ago. I am still not
> able to get the summary
> > >route
> > > > to show up in my ospf routers or my igrp
> router. Below is the
> scenario
> > > > along with my configs. If anyone sees any
> reason why the routes are
> not
> > > > showing up, please let me know.
> > > >
> > > > Scenario:
> > > >
> > > > R1, R2, R3, R4 are connected over a frame
> cloud (R1 being the hub).
> R1,
> > > > R2, R3 are in OSPF area 0 using a /28 subnet
> mask. R1, R4 are running
> > >IGRP
> > > > with a /24 subnet mask. R1 is the ASBR and is
> performing mutual
> > > > redistribution. All the routes except for the
> summary route are in
> the
> > > > routing tables...accordingly
> > > > Thanks for the help.........
> > > >
> > > >
> > > > The configs:
> > > >
> > > > R1#
> > > > int loopback 0
> > > > ip address 172.1.1.1 255.255.255.0
> > > >
> > > > int S0
> > > > encapsulation Frame Relay
> > > > Frame-Relay lmi-type ansi
> > > >
> > > > int S0.1 point-to-point (connected to R4)
> > > > ip address 172.21.18.1 255.255.255.0
> > > > frame-relay interface-dlci 104
> > > >
> > > > int S0.2 multipoint
> > > > ip address 172.21.19.1 255.255.255.240
> > > > frame-relay map ip 172.21.19.2 102 broadcast
> > > > frame-relay map ip 172.21.19.3 103 broadcast
> > > > ip ospf network non-broadcast
> > > > ip ospf priority 100
> > > >
> > > > router ospf 1
> > > > network 172.21.19.0 0.0.0.255 area 0
> > > > network 172.21.1.1 0.0.0.0 area 0
> > > > neighbor 172.21.19.2
> > > > neighbor 172.21.19.3
> > > > redistribute igrp 1 subnets
> > > > redistribute connected subnets
> > > > distribute-list 1 out
> > > > summary-address 172.21.19.0 255.255.255.0
> > > >
> > > > router igrp 1
> > > > network 172.21.0.0
> > > > redistribute ospf 1 metric 64000 2000 255 1
> 1500
> > > > passive-interface s0.2
> > > >
> > > > access-list 1 permit 172.21.19.0 0.0.0.255
> > > >
> > > > R2#
> > > > int loopback 0
> > > > ip address 172.1.2.1 255.255.255.0
> > > >
> > > > int S0
> > > > encapsulation Frame Relay
> > > > Frame-Relay lmi-type ansi
> > > > ip address 172.21.19.2 255.255.255.240
> > > > frame-relay map ip 172.21.19.3 201 broadcast
> > > > frame-relay map ip 172.21.19.1 201 broadcast
> > > > ip ospf network non-broadcast
> > > > ip ospf priority 0
> > > >
> > > > router ospf 1
> > > > network 172.21.19.0 0.0.0.255 area 0
> > > > network 172.21.2.1 0.0.0.0 area 0
> > > >
> > > > R3#
> > > > int loopback 0
> > > > ip address 172.1.3.1 255.255.255.0
> > > >
> > > > int S0
> > > > encapsulation Frame Relay
> > > > Frame-Relay lmi-type ansi
> > > > ip address 172.21.19.3 255.255.255.240
> > > > frame-relay map ip 172.21.19.2 301 broadcast
> > > > frame-relay map ip 172.21.19.1 301 broadcast
> > > > ip ospf network non-broadcast
> > > > ip ospf priority 0
> > > >
> > > > router ospf 1
> > > > network 172.21.19.0 0.0.0.255 area 0
> > > > network 172.21.3.1 0.0.0.0 area 0
> > > >
> > > > R4#
> > > > int loopback 0
> > > > ip address 172.21.4.1 255.255.255.0
> > > >
> > > > int S0 (connected to R1 S0.1)
> > > > ip address 172.21.18.4 255.255.255.0
> > > > ip split-horizon
> > > > frame-relay map ip 172.21.18.1 401 broadcast
> > > > encapsulation Frame-Relay
> > > > Frame-Relay lmi-type ansi
> > > >
> > > > router igrp 1
> > > > network 172.21.0.0
> > > > David Anderson
> > > > Network Design Engineer
> > > > Enterprise Solutions Architecture & Design
> > > > (408) 853-5515
> > > > dma@cisco.com
> > > > | |
> > > > ..:|||||||:...:|||||||:..
> > > > C I S C O S Y S T E M S
> > > > **Please
> read:http://www.groupstudy.com/list/posting.html
> > >**Please
> read:http://www.groupstudy.com/list/posting.html
> > David Anderson
> > Network Design Engineer
> > Enterprise Solutions Architecture & Design
> > (408) 853-5515
> > dma@cisco.com
> > | |
> > ..:|||||||:...:|||||||:..
> > C I S C O S Y S T E M S
> > **Please
> read:http://www.groupstudy.com/list/posting.html
>
=== message truncated ===



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