YES it's one of the most strange things I foud in my studies. On 12.2S configuring an EIGRP summary on an interface that is placed in a VRF doesn't work (as it's placed in the routing table, indeed when using AD 255 works fine as it's not in the routing table then).

The only way to solve it is use a different PE without 12.2S :-P I'm sure you won't get confronted with this on the real lab. Though it is still in our Vol.2 labs :-)

--

Rick Mur
CCIE2 #21946 (R&S, Service provider)
Sr. Support Engineer -- IPexpert, Inc.

Sent from my iPhone

On 29 aug 2009, at 20:12, Bryan Bartik <[email protected]> wrote:

Have you guys ever seen this?

R7(config)#interface ATM1/0.711 point-to-point
R7(config-subif)#ip summary-address eigrp 117 0.0.0.0 0.0.0.0
R7(config-subif)#^Z
R7#
04:19:34: %DUAL-5-NBRCHANGE: IP-EIGRP(2) 117: Neighbor 117.117.117.12 (ATM1/0.711) is down: summary configured

The neighbor never comes back up! Remove the summary

R7(config-subif)#no  ip summary-address eigrp 117 0.0.0.0 0.0.0.0 5
R7(config-subif)#
04:21:06: %DUAL-5-NBRCHANGE: IP-EIGRP(2) 117: Neighbor 117.117.117.12 (ATM1/0.711) is up: new adjacency
R7(config-subif)#

Comes back up!

On a hunch I decided to use AD 255:

R7(config-subif)#ip summary-address eigrp 117 0.0.0.0 0.0.0.0 255
R7(config-subif)#
04:23:55: %DUAL-5-NBRCHANGE: IP-EIGRP(2) 117: Neighbor 117.117.117.12 (ATM1/0.711) is up: new adjacency

It's up! Is this correct behavior?

--
Bryan Bartik
CCIE #23707 (R&S), CCNP
Sr. Support Engineer - IPexpert, Inc.
URL: http://www.IPexpert.com
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