I'm curious - did you do the debug and clear the arp and routing tables?
If you did the debugs, what did they indicate for advertisement? That's the
way that you'll find out for sure about the suppression
-e-
----- Original Message -----
From: "Jerry Seven"
To:
Sent: Sunday, May 06, 2001 7:04 PM
Subject: Re: EIGRP: questions on "ip summary-address" command [7:3335]
> No, here is not the problem on auto-summary, remember the ip
summary-route
> command has a supernet address, 192.168.0.0/16, so disabled auto-summary
or
> not doesn't matter, it will always be suppressed.
>
> The point I want to clear is whether ip summary-address will suppress only
> external eigrp routes as Doyle said in that case study or both.
>
> Thanks,
> Jerry
> ----- Original Message -----
> From: "EA Louie"
> To: "Jerry Smith"
> Cc:
> Sent: Sunday, May 06, 2001 4:04 PM
> Subject: Re: EIGRP: questions on "ip summary-address" command [7:3335]
>
>
> >oops, forget the 192.168.4.0 subnets - I just realized that autosummary
was
> >enabled on eigrp 2.
>
> i>f Snider gets the individual network advertisement at all, it will be
> >192.168.4.0/24 because it was summarized by Robinson's eigrp 2.
>
> >-e-
> > 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
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> > >
>
>
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