From: Aidan Marks (amarks@cisco.com)
Date: Tue Jan 07 2003 - 03:40:20 GMT-3
At 05:11 PM 7/01/2003, Sage Vadi wrote:
>Elmer/Cebuano,
>
>On my core router:
>D 192.168.0.0/22 [90/2169856] via 116.16.37.2
>
>On my ABR I have configured:
>ip summary-add eigrp 100 192.168.0.0 255.255.252.0 5
>
>A# To me it DOES seems that the core router learns the
>summarization as a InternalEIGRP route with AD of 90.
>
>This is testing with 12.2(12.5)T, I can also test with
>12.2(10b) if you like.
>
>Q) Anybody else know why? According to AD charts
>summarized EIGRP routes = 5
AD is local. If you look at the AD of the summary to null0 via show ip
route it should be 5 i.e. "distance 5". The other router picks it up as
just another EIGRP route (internal) and therefore gets AD 90 on the other
router.
Yes?
Aidan
>Cheers,
>Sage
>
> --- cebuano <cebu2ccie@cox.net> wrote: > Hello.
> > I'd like to know if the command "ip summary-address
> > eigrp" as documented
> > on CCO has changed. It is described under the
> > command reference as
> > follows.
> >
> > EIGRP summary routes are given an administrative
> > distance value of 5.
> > The administrative distance metric is used to
> > advertise a summary
> > without installing it in the routing table.
> > But I'm getting two conflicting results.
> > 1. I don't see the admin distance of 5.
> > 2. I see the summary installed in the routing table.
> >
> > MC3810a(config-if)#ip summary-address eigrp 2001
> > 150.100.200.0
> > 255.255.255.0
> >
> > MC3810a#ir
> >
> > 150.100.0.0/16 is variably subnetted, 7
> > subnets, 2 masks
> > D 150.100.200.0/24 is a summary, 00:02:41,
> > Null0
> > C 150.100.200.0/30 is directly connected,
> > Serial0
> > D 150.100.100.0/24 [90/2681856] via
> > 150.100.200.1, 00:02:07,
> > Serial0
> > D EX 150.100.2.0/24 [170/2195456] via
> > 150.100.200.1, 00:02:07,
> > Serial0
> > C 150.100.3.0/24 is directly connected,
> > Ethernet0
> > D EX 150.100.1.0/24 [170/2195456] via
> > 150.100.200.1, 00:02:07,
> > Serial0
> > D 150.100.10.0/24 [90/2185984] via
> > 150.100.200.1, 00:02:09,
> > Serial0
> >
> > MC3810a#sh ip eigrp topo
> > IP-EIGRP Topology Table for
> > AS(2001)/ID(192.168.254.1)
> >
> > P 150.100.200.0/24, 1 successors, FD is 2169856
> > via Summary (2169856/0), Null0
> > P 150.100.200.0/30, 1 successors, FD is 2169856
> > via Connected, Serial0
> > P 150.100.100.0/24, 1 successors, FD is 2681856
> > via 150.100.200.1 (2681856/2169856),
> > Serial0
> > P 150.100.2.0/24, 1 successors, FD is 2195456
> > via 150.100.200.1 (2195456/281600), Serial0
> > P 150.100.3.0/24, 1 successors, FD is 281600
> > via Connected, Ethernet0
> > P 150.100.1.0/24, 1 successors, FD is 2195456
> > via 150.100.200.1 (2195456/281600), Serial0
> > P 150.100.10.0/24, 1 successors, FD is 2185984
> > via 150.100.200.1 (2185984/176128), Serial0
> >
> > Any comments?
> > Thanks.
> > Elmer
> > .
> >
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