From: Steven Weber (itweber@xxxxxxxxxxxxx)
Date: Mon Apr 02 2001 - 13:56:43 GMT-3
someon eplease correct me if I'm wrong but I don't believe that IS-IS is as
robust in the same ways that OSPF is. In IS-IS everything is centered in the
L2 core. All L1 areas are compared to totally stubby OSPF areas so any
redistribution that you want to do should be done in the core.
HTH
Steve
----- Original Message -----
From: "tom cheung" <tkc9789@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Monday, April 02, 2001 12:25 PM
Subject: IS-IS summary route
> Hi All,
> I'm stumped with an IS-IS route summarization problem and needed some
help.
> Here's the physical connectivity:
>
> area1 isis area2 rip
> ----------r3------------r4------------r5--
> isis vlsm e0 s1
>
> I want to summarize the different isis area 1 subnets and inject them into
> RIP. I've tried using "summary-address a.b.c.d w.x.y.z" under router isis
> in R4. But the summary route does not show up in r4's route table and no
> routes are injected into RIP's domain when I try to redistribute between
the
> two routing protocols. What seems to be the problem??
>
> Config for R4:
> router isis
> summary-address 152.1.1.0 255.255.255.0 level-1-2
> redistribute rip metric 1 metric-type internal level-2
> net 00.0002.0000.0000.0040.00
> !
> router rip
> redistribute isis level-1-2 metric 2
> passive-interface BRI0
> passive-interface Ethernet0
> network 152.1.0.0
> default-metric 2
>
> Route table:
> r4# sh ip ro
> 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
>
> 152.1.0.0/16 is variably subnetted, 8 subnets, 5 masks
> i L2 152.1.1.128/25 [115/30] via 152.1.1.65, Ethernet0
> i L2 152.1.1.8/30 [115/20] via 152.1.1.65, Ethernet0
> i L2 152.1.1.1/32 [115/20] via 152.1.1.65, Ethernet0
> i L2 152.1.1.2/32 [115/30] via 152.1.1.65, Ethernet0
> C 152.1.2.0/24 is directly connected, Serial1
> i L2 152.1.1.4/30 [115/20] via 152.1.1.65, Ethernet0
> R 152.1.4.0/24 [120/1] via 152.1.2.2, 00:00:04, Serial1
> C 152.1.1.64/26 is directly connected, Ethernet0
> r4#
>
>
>
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