RIP FLSM and OSPF VLSM

From: Angelo De Guzman (ghie_pogi@xxxxxxxxx)
Date: Mon May 20 2002 - 23:41:21 GMT-3


   
Hi Team,
   Need your advise on this. Please.

R2<--->R4<-->R7

R7 and R4 runs RIP with /24

R4 and R2 runs OSPF with /27

R4 performs mutual redistribution.

I can't seem to make this work.

Here is the config.

Thanks in Advance.

R7#sh run
Building configuration...

Current configuration : 487 bytes
!
version 12.1
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname R7
!

!
ip subnet-zero
!
!
interface Loopback100
 ip address 10.1.1.1 255.255.255.0
!
interface Ethernet0
 no ip address
!
interface Serial0
 no ip address
 shutdown
!
interface Serial1
 ip address 10.2.2.2 255.255.255.0
!
router rip
 network 10.0.0.0
!
ip classless
ip http server
!
!
!
line con 0
line aux 0
line vty 0 4
 password cisco
 login
!
end

R7#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, ia - IS-IS inter area
       * - candidate default, U - per-user static
route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

     10.0.0.0/24 is subnetted, 2 subnets
C 10.2.2.0 is directly connected, Serial1
C 10.1.1.0 is directly connected, Loopback100
R7#

R2#sh run
Building configuration...

Current configuration : 1150 bytes
!
version 12.1
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
service udp-small-servers
service tcp-small-servers
!
hostname R2
!
boot system flash c4500-js56i-mz.121-13.bin
boot system flash
!
!
!
!
!
ip subnet-zero
!
!
!
!
!
!
interface Loopback10
 no ip address
!
interface Loopback100
 ip address 10.3.3.33 255.255.255.224
 ip ospf network point-to-point
!
!
interface Serial0
 no ip address
 no ip route-cache
 no ip mroute-cache
 shutdown
!
interface Serial1
 no ip address
 no ip route-cache
 no ip mroute-cache
 shutdown
!
interface Serial2
 ip address 10.3.3.2 255.255.255.224
 no ip route-cache
 no ip mroute-cache
!
interface Serial3
 no ip address
 no ip route-cache
 no ip mroute-cache
 shutdown
!
router ospf 100
 log-adjacency-changes
 network 10.3.3.0 0.0.0.31 area 0
 network 10.3.3.32 0.0.0.31 area 0
!
ip classless
no ip http server
!
!
!
line con 0
line aux 0
line vty 0 4
 password cisco
 login
!
end

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, ia - IS-IS inter area
       * - candidate default, U - per-user static
route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

     10.0.0.0/8 is variably subnetted, 4 subnets, 2
masks
O E2 10.2.2.0/24 [110/20] via 10.3.3.1, 00:12:13,
Serial2
O E2 10.1.1.0/24 [110/20] via 10.3.3.1, 00:12:13,
Serial2
C 10.3.3.0/27 is directly connected, Serial2
C 10.3.3.32/27 is directly connected,
Loopback100
R2#

R4#sh run
Building configuration...

Current configuration : 1205 bytes
!
version 12.1
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname R4
!
!
!
!
!
!
ip subnet-zero
no ip domain-lookup
!
!
!
interface Serial0/0
 no ip address
 no ip route-cache
 no ip mroute-cache
 shutdown
 no fair-queue
!
interface Serial0/1
 ip address 10.2.2.1 255.255.255.0
 clockrate 64000
!
interface Serial0/2
 no ip address
 no ip route-cache
 no ip mroute-cache
 shutdown
!
interface Serial0/3
 ip address 10.3.3.1 255.255.255.224
 clockrate 64000
!
router ospf 100
 log-adjacency-changes
 summary-address 10.3.3.0 255.255.255.0
 redistribute rip subnets
 network 10.3.3.0 0.0.0.31 area 0
 distribute-list 1 out
 distance ospf external 140
!
router rip
 redistribute ospf 100 metric 2
 network 10.0.0.0
 distribute-list 2 out
!
ip classless
ip http server
!
access-list 1 permit 10.1.1.0 0.0.0.255
access-list 1 permit 10.2.2.0 0.0.0.255
access-list 2 permit 10.3.3.0 0.0.0.255
!
!
!
line con 0
 exec-timeout 0 0
 logging synchronous
line aux 0
line vty 0 4
 password cisco
 login
!
end

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, ia - IS-IS inter area
       * - candidate default, U - per-user static
route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

     10.0.0.0/8 is variably subnetted, 4 subnets, 2
masks
R 10.1.1.0/24 [120/1] via 10.2.2.2, 00:00:11,
Serial0/1
C 10.3.3.0/27 is directly connected, Serial0/3
C 10.2.2.0/24 is directly connected, Serial0/1
O 10.3.3.32/27 [110/65] via 10.3.3.2, 00:12:39,
Serial0/3



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