Yes, I did, that's what I don't understand. Anyone else who did the same
test and saw the result same as Doyle described in his book?
J
----- Original Message -----
From: "EA Louie"
To:
Sent: Sunday, May 06, 2001 11:30 PM
Subject: Re: EIGRP: questions on "ip summary-address" command [7:3335]
> 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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