RE: ospf wildcard bits

From: Guyler, Rik (rguyler@shp-dayton.org)
Date: Thu Jan 04 2007 - 10:50:51 ART


The router won't support more than one address in the same subnet on two
different interfaces. At least that used to be a Cisco "golden rule" and as
far as I know, still is.

I believe "network 150.1.1.1 0.0.0.255" is correct, which is an exact match
between both the network statement and the interface.

Rik

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Salau,Olayemi
Sent: Thursday, January 04, 2007 8:26 AM
To: Frank
Cc: Cisco certification
Subject: RE: ospf wildcard bits

I would use

router ospf 1

netwo 150.1.1.1 0.0.0.0

Remember under OSPF, network command enables routing process on specified
"interface", and not network.

If you use 150.1.1.1 0.0.0.255, you're literally saying enable ospf on all
interfaces within the 150.1.1.0 network. What if there is another interface
150.1.1.3 on this router in which you're not required to run OSPF on?

So I would say use network 150.1.1.1 0.0.0.0 area X in other to match
interface exactly.

Many Thanks



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