RE: Defining network number under ospf process

From: KK FoK (rgb98a@xxxxxxxxxxx)
Date: Tue Dec 11 2001 - 23:41:01 GMT-3


   
Just did a quick check on my router. Contrary to the observation of Francois
I did get the ospf route redistributed to igrp regardless of which format I
used.

network 2.2.2.2 0.0.0.0 area 0
or
network 2.0.0.0 0.255.255.255 are 0

could be IOS version I guess. Mine is 12.1(11).

>From: Rivron Francois <Francois.Rivron@ei-rsi.fr>
>Reply-To: Rivron Francois <Francois.Rivron@ei-rsi.fr>
>To: Basel Tashkandi <basel@tashkandi.com>, "Nguyen, Thai"
><Thai.Nguyen@auspost.com.au>, ccielab@groupstudy.com
>Subject: RE: Defining network number under ospf process
>Date: Tue, 11 Dec 2001 11:59:39 +0100
>
>About this i have noticed the following things:
>
>On a single router :
>
>int lo0
> ip ad 2.2.2.2 255.255.255.0
>
>int lo1
> ip ad 1.1.1.1 255.255.255.0
>
>router igrp 1 !!it's also true for eigrp and RIP
> network 1.0.0.0
> redistribute os 1 metric 1 1 1 1 1
>
>
>
>if you set
>
> network 2.2.2.2 0.0.0.0 area 0
>
>in process ospf
>
>the network 2.2.2.0 will not be redistribued in igrp/rip/eigrp
>
>"deb ip igrp tran" or "deb ip rip" or "sh ip eigrp topo"
>to see the updates
>
>
>you have to set
>
> network 2.2.2.0 0.0.0.255 area 0
>
>to get the network redistributed
>
>in all case the network 2.2.2.2/32 was in the ospf database
>
>Regards
>
>
> > -----Message d'origine-----
> > De: Basel Tashkandi [SMTP:basel@tashkandi.com]
> > Date: mardi 11 dicembre 2001 02:50
> > @: Nguyen, Thai; ccielab@groupstudy.com
> > Objet: RE: Defining network number under ospf process
> >
> > Hi Thai,
> > basically
> > router ospf 1
> > network 1.1.1.1 0.0.0.0 area 1
> > means send, receive and include the subnet of that specific interface
> >
> > and
> >
> > router ospf 1
> > network 1.1.1.0 0.0.0.255 area 1
> >
> > means all the subnets under 1.1.1.0/24
> > so if you have 1.1.1.0/28 and 1.1.1.16/28
> > instead of typing the same command for each one or putting the interface
> > address you can combine them in one statement.
> >
> > hope that was clear.
> > FYI use one method in all routers
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > Nguyen, Thai
> > Sent: 11 December 2001 03:07
> > To: ccielab@groupstudy.com
> > Subject: Defining network number under ospf process
> >
> >
> > Hi all
> >
> > I am having trouble of knowing the difference between the following
> > configuration.
> >
> > int e0
> > ip add 1.1.1.1 255.255.255.0
> >
> > router ospf 1
> > network 1.1.1.1 0.0.0.0 area 1
> >
> >
> > router ospf 1
> > network 1.1.1.0 0.0.0.255 area 1
> >
> > Can anyone offer me an advise.
> >
> > Thanks.
> >
> >
> > Thai Nguyen
> > Senior Networking Engineer
> > IT Delivery
> > Australia Post
> > 03 9204 5309
> >
> > Australia Post is committed to providing our customers with excellent
> > service. If we can assist you in any way please either telephone 13 13
>18
> > or visit our website www.auspost.com.au.
> >
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