From: Courtney Foster (cfoster@xxxxxxx)
Date: Wed Nov 07 2001 - 14:38:29 GMT-3
It is a host specific mask....because you don't have broadcast...you are
telling OSPF that this host is Area 10...At least that's what I think
-----Original Message-----
From: Dennis #6 [mailto:vacant@home.com]
Sent: Wednesday, November 07, 2001 12:04 PM
To: CCIE Groupstudy
Subject: CCBootCamp 5 OSPF over frame question
I noticed on the CCBootCamp lab 5 solution that the wildcard mask on
each router for the point-to-multipoint frame connections is 0.0.0.0
(see below). Is there a good reason for using this mask as opposed to
0.0.0.255 (it's a /24 subnet)? When is it best to use 0.0.0.0 versus
0.0.0.255. I thought it was normal to use the inverse mask that
corresponds to the subnet mask on that interface. What am I missing?
router ospf 1
redistribute igrp 1 metric 20 metric-type 1 subnets
network 172.168.100.5 0.0.0.0 area 10 !point to multipoint frame
connection network 137.20.20.0 0.0.0.255 area 0 area 10 virtual-link
172.168.30.97 area 10 virtual-link 172.168.100.6
Thanks,
Dennis #6
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