CCBootCamp 5 OSPF over frame question

From: Dennis #6 (vacant@xxxxxxxx)
Date: Wed Nov 07 2001 - 14:04:21 GMT-3

   
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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