From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Mon Mar 06 2006 - 21:04:02 GMT-3
Matt,
You do not need to worry about the particular situations to
apply the command if you just remember how the command works and what
issues the command overcomes. So in your first situation the answer is
no, the command is not needed. This is because each router is able to
reach all of the other routers on the same logical IP subnet directly.
In the second situation the answer is yes, the command is needed. This
is because each router can not reach all of the other routers on the
same logical IP subnet directly.
Remember that it's far more important to fully understand what
the command does and how it works to overcome issues with certain
topologies as opposed to trying to remember the situations where the
command should or shouldn't be used.
HTH,
Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
bdennis@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
Direct: 775-745-6404 (Outside the US and Canada)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Matt White
Sent: Monday, March 06, 2006 3:03 PM
To: Group Study
Subject: split-horizon eigrp on full-mesh network
What are people's thoughts regarding diabling split-horizon on the
following NBMA environments:
1) Full-mesh frame-relay; three routers. R1 S0 maps to 202 & 303, R2
S0 maps to 101 & 303, R3 S0 maps to 101 & 202
or
2) DMVPN, one hub and three spokes, all tunnel interfaces.
I say that you need it on each of the serial multi-point interfaces in
the three router frame, but only on the hub of the DMVPN tunnel...
Thoughts?
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