make sure you redistributed ospf 1 into eigrp 1, and eigrp 1 into eigrp 2 on
Robinson.
Also, do a clear ip route * and clear arp on Robinson and Snider and see if
the route to 192.168.4.0 reappears on Snider.
If not, Doyle could be wrong on this one. His paragraph on 726 regarding
suppression (A point of interest in Snider's...) doesn't make sense, since
EIGRP summarization applies to ALL routes advertised by the source router
(Robinson), not *just* the routes redistributed into eigrp 2.
If his statement were right, then I'd actually expect to see on Snider a
route of 192.168.4.0 subnetted with the /29 and /30 subnets instead of the
summary that he shows in the illustration.
-e-
----- Original Message -----
From: "Jerry Smith"
To:
Sent: Sunday, May 06, 2001 3:12 PM
Subject: Re: EIGRP: questions on "ip summary-address" command [7:3335]
> >Question #2 - That's a good troubleshooting exercise for you. do a
"debug
> >ip eigrp transactions" on Snider and Robinson to find out why the subnet
> >isn't being advertised in the routing table (hint: make sure your
summary
> >address didn't include that subnet)
>
> That's my point, see the config at the bottom of p725:
>
> interface serial1
> ip address 172.16.2.21 255.255.255.252
> ip summary-address eigrp 2 192.168.0.0 255.255.0.0
>
> My understanding is 192.168.4.0/24 will be supressed by this summay
address
> when sent out from s1, Snider doesn't see this, but only 192.168.0.0/16,
> that's what I have seen from my test.
>
> Actually the case study "Address Aggregation" on p384 says the same thing,
I
> don't understand why p726 says 192.168.4.0/24 is still get forwarded.
>
> Thanks,
> Jerry
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