RE: EIGRP Neighbor not on common subnet

From: Charles Church (cchurch@wamnet.com)
Date: Wed Mar 19 2003 - 08:49:19 GMT-3


Yes, it is a problem. I pretty much tells you the problem. R1 is seeing
hellos from R2 with an address that falls outside of the address/mask pair
you defined on R1 for that interface. R2 is complaining about the same
thing. Either change your masks on both interfaces so that 172.150.1.0 and
172.150.2.0 fall on the same subnet, or change the address on one side to a
common subnet.

Chuck Church
CCIE #8776, MCNE, MCSE
Wam!Net Government Services
13600 EDS Dr.
Herndon, VA 20171
cell 585-233-2706
cchurch@wamnet.com

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Janto Cin
Sent: Wednesday, March 19, 2003 3:44 AM
To: ccielab@groupstudy.com
Subject: EIGRP Neighbor not on common subnet

Dear All,

Will it be a problem if I got this error message?

R1#
05:14:10: IP-EIGRP: Neighbor 172.150.1.1 not on common subnet for Serial3/1
(172.150.2.1 255.255.255.0)

R2#
05:15:14: IP-EIGRP: Neighbor 172.150.1.1 not on common subnet for Serial1

TIA,
Janto



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