Ive come to figure that out but we had no auto-summ in the eigrp network
config so dont know what happens there.

I'm going to work on the lab tonite and see if I can replicate it or see
what other things come up with auto summary.

Thanks,
Keith
On Thu, 25 Apr 2002, MADMAN wrote:

|->auto summary, which is default, does that to/for you
|->
|->  Dave
|->
|->Keith Woodworth wrote:
|->> 
|->> We had a /24 that was not being used in one part of our network any
|->> longer. It was routed through 2 RSM's on a Cat5500 switch.
|->> 
|->> As well the network was in an EIGRP AS that we do for IGP routing on
both
|->> RSM's. So the network was removed from the EIGRP system, a new static
|->> route was put in on our gateway router for said network.
|->> 
|->> Everything works on the new network except for getting to some internal
|->> sites...The interesting part is when doing a sh ip route on the RSM's I
|->> see this:
|->> 
|->> D    208.181.160.0/24 is a summary, 1w4d, Null0
|->> 
|->> Now why did the RSM's suddenly route that network to null0? My
workstation
|->> is connected to the RSM's and I cannot ping any IP's on that subnet
since
|->> that network is now being routed to null.
|->> 
|->> That network is definately gone from the EIGRP statement. Here is the
|->> output of sho ip proto for the eigrp AS:
|->> 
|->> Routing Protocol is "eigrp 100"
|->>   Outgoing update filter list for all interfaces is not set
|->>   Incoming update filter list for all interfaces is not set
|->>   Default networks flagged in outgoing updates
|->>   Default networks accepted from incoming updates
|->>   EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
|->>   EIGRP maximum hopcount 100
|->>   EIGRP maximum metric variance 1
|->>   Redistributing: connected, eigrp 100
|->>   Automatic network summarization is not in effect
|->>   Routing for Networks:
|->>     209.53.131.0
|->>     209.53.132.0
|->>     209.53.133.0
|->>     209.53.134.0
|->>     209.53.135.0
|->>     208.181.161.0
|->>     64.0.0.0
|->> 
|->> ======= Cut -======
|->> 
|->> so what do I do about getting the RSMs to take out the routing statement
|->> for that network? Would EIGRP have just a done an update when the
network
|->> statement was removed?
|->> 
|->> Thanks for any input on this...
|->> Keith
|->-- 
|->David Madland
|->Sr. Network Engineer
|->CCIE# 2016
|->Qwest Communications Int. Inc.
|->[EMAIL PROTECTED]
|->612-664-3367
|->
|->"Emotion should reflect reason not guide it"
|->
|->
|->
|->
|->




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