From: JZ (jzhang0427a@xxxxxxxxx)
Date: Mon Aug 07 2000 - 12:59:25 GMT-3
Question:
1. all interfaces on R2 also running RIP
(..network 172.17.0.0 under router RIP )
what is the netwk mask ? (16 or 24 )
2. OSPF sum to 255.255.0.0 -- how can the routes w/ 16 bit
mask be redistributed into 24 bit RIP domain ? unless
you used v.2 of RIP.
James
NYC
--- Philip lai <philip@home.com.hk> wrote:
> ospf rip redistribution
>
> R3--Fr--R2--|--R7
> ospf rip
>
> R3 s0.1 172.17.95.1/30
> R2 s0.1 172.17.95.2/30
> R2 lo 172.17.2.2/24
> R2 e0 172.17.10.240/24
> R7 eo 172.17.10.241/24
>
> I was trying to redistribute ospf into rip. Since the
> mask on R2 e0 is
> 24 bit,
> I would like to summarize it before sending into rip.
>
> In R2, I use summary address on ospf.
>
> router ospf 1
> summary-address 172.17.0.0 255.255.0.0
> network 172.17.95.2 0.0.0.0 area 64
> network 172.17.2.2 0.0.0.0 area 64
> !
> router rip
> redistribute ospf 1
> passive-interface Serial0.1
> network 172.17.0.0
> default-metric 1
>
> r2#sh ip route
> Gateway of last resort is not set
>
> 172.17.0.0/16 is variably subnetted, 5 subnets, 3
> masks
> C 172.17.10.0/24 is directly connected, Ethernet0
> O 172.17.0.0/16 is a summary, 00:09:47, Null0
> C 172.17.2.0/24 is directly connected, Loopback0
> C 172.17.95.0/30 is directly connected, Serial0.1
> O 172.17.95.4/30 [110/128] via 172.17.95.1,
> 00:03:25, Serial0.1
>
> That was great. A summary address 172.17.0.0/16 was
> appear. However,
> when I
> look at routing table of R7. This route do not come out.
>
> r7#sh ip route
> C
> Gateway of last resort is not set
>
> 172.17.0.0/24 is subnetted, 2 subnets
> C 172.17.10.0 is directly connected, Ethernet0/0
> R 172.17.2.0 [120/1] via 172.17.10.240, 00:00:09,
> Ethernet0/0
>
> When I try debug ip rip at R2, only 172.17.2.0 are send
> to R7.
> Anybody know what is wrong with the config ? If I need
> to send a summary
> route
> to R7. Is that any other way to do it ? Any suggestion
> are appreciated.
>
> Rdgs,
> Philip
>
> r2(config-if)#
> 00:14:27: RIP: sending v1 update to 255.255.255.255 via
> Loopback0
> (172.17.2.2) -
> suppressing null update
> 00:14:28: RIP: sending v1 update to 255.255.255.255 via
> Ethernet0
> (172.17.10.240)
> 00:14:28: subnet 172.17.2.0, metric 1
> 00:14:28: RIP: sending v1 update to 255.255.255.255 via
> Loopback0
> (172.17.2.2)
> 00:14:28: subnet 172.17.10.0, metric 1
>
>
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 08:24:22 GMT-3