From: Mohamed Heeba (MAHeeba@xxxxxxxxxxx)
Date: Tue Apr 10 2001 - 17:27:53 GMT-3
u didnt set the metric for RIP in your configuration for the routes coming
from ospf
wish this helps
> -----Original Message-----
> From: Alejandro Cadarso [SMTP:a.cadarso@uniway-tec.com]
> Sent: Tuesday, April 10, 2001 12:14 PM
> To: ccielab
> Subject: RIP OSPF mutual redistribution
>
> Hi,
>
> I have two routers connected through a serial interface, I call them
> 1750LAB and 3600
>
> The 1750LAB is running OSPF and RIP, it has many routes learned from
> other OSPF routers and even external routes from other ASBR.
>
> Well between 1750LAB and 3600 I configured RIP, v1. they share a subnet
> from 172.16.0.0, 172.16.36.0/24.
>
> I expected that 3600 would receive routes to all subnets from the same
> mayor network with mask 24, but the 1750 LAB only send in the RIP updates
> those networks directly connected to it or from the other router which is
> connected to it through a subnet with a mask 24. anybody knows why?
>
> Above I put the show ip Route for the two Routers and the relevant
> configuration:
>
> 1750LAB#
>
> interface Serial1
> ip address 172.16.36.1 255.255.255.0
> no ip directed-broadcast
> clockrate 128000
> !
> router ospf 1
> summary-address 172.16.25.0 255.255.255.0
> summary-address 172.16.17.0 255.255.255.0
> redistribute rip subnets
> network 172.16.2.1 0.0.0.0 area 2
> network 172.16.17.1 0.0.0.0 area 0
> network 172.16.22.1 0.0.0.0 area 0
> network 172.16.25.1 0.0.0.0 area 0
> network 192.168.17.0 0.0.0.255 area 2
> neighbor 172.16.25.2 priority 1
> default-metric 25
> area 0 authentication message-digest
> area 2 virtual-link 172.16.21.1 message-digest-key 1 md5 virtual
> !
> router rip
> redistribute ospf 1
> passive-interface Async5
> passive-interface Dialer0
> passive-interface FastEthernet0
> passive-interface Serial0
> network 172.16.0.0
> distance 100
>
> 1750LAB#sh ip ro
>
> 172.16.0.0/16 is variably subnetted, 12 subnets, 3 masks
> C 172.16.36.0/24 is directly connected, Serial1
> O 172.16.25.0/24 is a summary, 04:19:25, Null0
> C 172.16.25.0/25 is directly connected, Serial0
> O E2 172.16.26.0/24 [110/25] via 172.16.25.2, 04:19:51, Serial0
> O E2 172.16.27.0/24 [110/25] via 172.16.25.2, 04:19:51, Serial0
> O IA 172.16.21.0/24 [110/2] via 192.168.17.3, 04:19:51, FastEthernet0
> C 172.16.22.0/24 is directly connected, Loopback0
> O 172.16.17.0/24 is a summary, 04:19:25, Null0
> C 172.16.17.0/29 is directly connected, Dialer0
> O IA 172.16.5.0/24 [110/782] via 172.16.25.2, 04:19:51, Serial0
> R 172.16.6.0/24 [100/1] via 172.16.36.3, 00:00:22, Serial1
> C 172.16.2.0/24 is directly connected, FastEthernet0
> C 192.168.17.0/24 is directly connected, FastEthernet0
>
> 3600#
> interface Serial0/0
> ip address 172.16.36.3 255.255.255.0
> no ip directed-broadcast
> no ip mroute-cache
> no fair-queue
> !
> router rip
> network 172.16.0.0
>
> 3600#sh ip ro
>
> Gateway of last resort is not set
>
> 172.16.0.0/24 is subnetted, 4 subnets
> C 172.16.36.0 is directly connected, Serial0/0
> R 172.16.22.0 [120/1] via 172.16.36.1, 00:00:03, Serial0/0
> C 172.16.6.0 is directly connected, Loopback0
> R 172.16.2.0 [120/1] via 172.16.36.1, 00:00:03, Serial0/0
>
> Also I have checked with the command show ip protocols and everithing
> seems OK_
>
> 1750LAB#sh ip pro
> Routing Protocol is "ospf 1"
> Sending updates every 0 seconds
> Invalid after 0 seconds, hold down 0, flushed after 0
> Outgoing update filter list for all interfaces is
> Incoming update filter list for all interfaces is
> Default redistribution metric is 25
> Redistributing: ospf 1, rip
> Address Summarization:
> Routing for Networks:
> 172.16.2.1/32
> 172.16.17.1/32
> 172.16.22.1/32
> 172.16.25.1/32
> 192.168.17.0
> Routing Information Sources:
> Gateway Distance Last Update
> (this router) 110 04:22:41
> 172.16.21.1 110 04:23:07
> 172.16.5.1 110 04:23:07
> Distance: (default is 110)
>
> Routing Protocol is "rip"
> Sending updates every 30 seconds, next due in 21 seconds
> Invalid after 180 seconds, hold down 180, flushed after 240
> Outgoing update filter list for all interfaces is
> Incoming update filter list for all interfaces is
> Redistributing: ospf 1 (internal, external 1, external 2)
>
> Redistributing: rip
> Default version control: send version 1, receive any version
> Interface Send Recv Triggered RIP Key-chain
> Loopback0 1 1 2
> Serial1 1 1 2
> Routing for Networks:
> 172.16.0.0
> Passive Interface(s):
> Async5
> Dialer0
> FastEthernet0
> Passive Interface(s):
> Serial0
> Routing Information Sources:
> Gateway Distance Last Update
> 172.16.36.3 100 00:00:01
> Distance: (default is 100)
>
> Any Ideas?
>
> Regards Alejandro
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