From: Erick B. (erickbe@xxxxxxxxx)
Date: Sun Feb 24 2002 - 03:43:26 GMT-3
>From my testing on this, the behavior changed in 12.1T
and higher. Many discussions on it in archives.
Others have stated 12.1 mainline also is fixed but in
my testing on 2600's 12.1 mainline had old behavior so
maybe it depends on router and feature set to.
--- yakoout <yesmat@iprimus.com.au> wrote:
> IOS on R4 is 11.3 (11a)
> IOS on R3 (IGRP) IS 12.1 (11)
>
>
>
> -----Original Message-----
> From: Erick B. [mailto:erickbe@yahoo.com]
> Sent: Sunday, February 24, 2002 3:59 PM
> To: yakoout; ccielab@groupstudy.com
> Subject: Re: Another OSPF into IGRP issue
>
>
> What version of code?
>
> --- yakoout <yesmat@iprimus.com.au> wrote:
> > Hi all,
> >
> > Sorry guys if the point has been killed before but
> I
> > actually can't simulate
> > the redistribution problem that every body was
> > talking about for such a long
> > time, in other words my scenario is working and I
> > can't get it NOT to work.
> >
> > Scenario:
> >
> > SIMPLE.
> > R4 running ospf AND igrp (redistributing mutually
> > both ways)
> > OSPF area 0 with 137.20.5.0/27.
> > IGRP with 137.20.6.0/24
> >
> > To summarize /27 into /24 and succesfully
> > redistribute into igrp, I used
> > "summary-address 137.20.5.0 255.255.255.0" on R4,
> > WITHOUT using
> > "redistribute connected..."
> >
> > PROBLEM:
> >
> > Even though network 137.20.5.0 is NOT EXTERNAL (it
> > is connected) it still
> > works and I can see the summarized route in R4
> > routing table to NULL0 and
> > hence I can also see it in IGRP routers.
> >
> > What am I doing wrong?
> >
> > Thanks for your input
> >
> > Yakout
> > R4:
> >
> > router ospf 100
> > summary-address 137.20.5.0 255.255.255.0
> > redistribute igrp 100 subnets
> > network 137.20.5.4 0.0.0.0 area 0
> > neighbor 137.20.5.5 priority 1
> > neighbor 137.20.5.2 priority 5
> >
> > router igrp 100
> > redistribute ospf 100
> > passive-interface Serial0.1
> > network 137.20.0.0
> > default-metric 1000 1 255 255 1500
> >
> >
> > 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, * - candidate
> > default
> > U - per-user static route, o - ODR
> >
> > Gateway of last resort is not set
> >
> > 137.20.0.0/16 is variably subnetted, 6
> subnets,
> > 3 masks
> > C 137.20.10.4/32 is directly connected,
> > Loopback1
> > O IA 137.20.10.2/32 [110/65] via 137.20.5.2,
> > 00:07:16, Serial0.1
> > O 137.20.5.0/24 is a summary, 00:07:10,
> Null0
> > C 137.20.5.0/27 is directly connected,
> > Serial0.1
> > C 137.20.6.0/24 is directly connected,
> > Serial0.2
> > 200.200.100.0/32 is subnetted, 1 subnets
> > C 200.200.100.1 is directly connected,
> > Loopback0
> > 172.16.0.0/24 is subnetted, 1 subnets
> > C 172.16.1.0 is directly connected,
> Loopback3
> > C 192.168.1.0/24 is directly connected,
> Ethernet0
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