From: Earl Aboytes (earl@xxxxxxxxxxxx)
Date: Sun Aug 06 2000 - 13:51:06 GMT-3
It doesn't work that way. The summary address command I for summarizing
routes that come into OSPF from other routing protocols and must be applied
at the ASBR. There is no way, that I know of, to summarize from OSPF to
another routing protocol.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Earl Aboytes
Senior Technical Conultant
GTE Managed Solutions
805-381-8817
earl.aboytes@verizon.com
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Philip lai
Sent: Monday, August 07, 2000 9:34 AM
To: ccielab@groupstudy.com
Cc: philip.lai@ncr.com
Subject: ospf rip redistribution
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
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