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
Message Posted at:
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