From: Philip Lai (kimfai@xxxxxxxxxxx)
Date: Mon Jul 17 2000 - 00:12:21 GMT-3
Hi,
I don't think you can summarize the ospf routes if they are in the same
area. Summary-address only apply to external route.
In this case, the ip default-network does not work since all networks are
168.10.X.X. The ip route 0.0.0.0/0 to null 0 in RB also does not work
since IGRP need a distinct network number to be the default.
I think you have to use static route in Rb.
Correct me if I am wrong.
Thanks
Philip Lai
On Tue, 27 Jun 2000, Chia Kim Seng, Sr Network Spec, SCS-Networks wrote:
> You can do a summarization on RA using summary-address command to summary
> all the 28 bits and and 30 bits routes to 26 bits route. Then redistribute
> to IGRP.
> Use keyword, 'not-advertise' with summary-address command to suppress this
> route from being advertised into the OSPF domain as type-7.
>
> e.g summary-address x.x.x.x m.m.m.m not-advertise
>
> try it, let me know if this works?
>
> May all being be happy!
>
>
> -----Original Message-----
> From: tok cok [mailto:tokcok@hotmail.com]
> Sent: Monday, June 26, 2000 2:30 AM
> To: ccielab@groupstudy.com
> Subject: Redistributing FLSM to VLSM
>
>
> Hi all,
>
> I was trying out some redistributing lab exericse on Classless to Classful.
>
> But encounter some problem in solving the VLSM and FLSM issue.
>
> ---(e0)RA(s0)-------(S1)RB(s0)---(s0)RC(e0)---
>
> RA's e0 is running RIP 10.1.1.1/24
> RA's s0 is running IGRP 168.10.1.66/26
> RB's s1 is running IGRP 168.10.1.65/26
> RB's s0 is running OSPF 168.10.1.33/28
> RC's s0 is running OSPF 168.10.1.34/28
> RC's e0 is running OSPF 168.10.1.17/30
>
> I'm trying to do a mutual redistribution between OSPF and IGRP, so that RA
> will knows how to reach OSPF networks and RB know the IGRP network.
>
> I went through Caslow's book. He said either use summarization or annouce
> an IP default-network on the redistributing router into the IGRP domain
> (which I think should be RB in this case)
>
> I've try using ip default-network, but confuse on how to do it. I try
> specified ip default-network 168.10.0.0 on RB, but it doesn't get advertised
>
> to RA IGRP domain.
>
> I've try using a default route at RA, ip route 0.0.0.0 0.0.0.0 168.10.1.65.
>
> But the default route gets advertised to the RIP domain, which I do not want
>
> that.
>
> Can anyone enlighten me on how to solve this Redistributing between VLSM and
>
> FLSM issues?
>
> Thanks in advance!!!
> tok
>
>
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