From: Jason Madsen (madsen.jason@gmail.com)
Date: Thu Oct 23 2008 - 22:59:53 ARST
Hi Group,
To be officially correct, do we need to use the "neighbor" command on one
side of each link or on both sides of each link? From what I've seen OSPF
always seems to work just fine with "neighbor" on one end of the link only
and as a matter of face I've read more than one writeup stating that
configuring it on both ends of a link rather than just one can actually
cause problems in some scenarios.
This is strictly an "approved in the lab" type question. As I stated, I've
never had issues with just configuring this command on one end of a given
link without any issues. I did find one somewhat vague statement in the
Command Reference that leads me to believe that in Cisco's eyes we are to
use this command on both ends of a link for it to be "correct". Here is the
statement:
*"One neighbor entry must be included in the Cisco IOS software
configuration for each known nonbroadcast network neighbor*" (
http://www.cisco.com/en/US/docs/ios/iproute/command/reference/irp_osp2.html#wp1013124
).
I guess technically this statement would lead me to believe that it should
be on both ends. Anyone have any insight as to what would be "correct" in
a lab scenario?
Thanks,
Jason
Blogs and organic groups at http://www.ccie.net
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