Re: loopback ospf network

From: LoizosCisco (david_steven2001@yahoo.com)
Date: Sat Oct 19 2002 - 02:22:31 GMT-3


chenyan,

If you do not use the "ip ospf network point-to-point"
under the loopback then you will see the /32 loopback
address in your routing table. If you using, for
example, 170.31.16.16/24 as your loopback address and
you do not use the network point-to-point statement
then in your routing table you will see both
170.31.16.0 /24 and 170.31.16.16/32. That especially
cause me problems when I was trying to direct traffic
trhough a certain way and the /24 was going trhough a
different way than the /32. Also with IGRP you might
not be able to see certain loopbacks that are
advertised as /32.

Loizos

--- chenyan <chenyan@deeptht.com.cn> wrote:
> hi,guys
> Sometimes I saw
>
> interface Loopback0
> ip address 135.3.3.3 255.255.255.0
> ip ospf network point-to-point
>
> what's mean that the ospf network type is used in
> loopback interface?
>
> Thanks



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