Re: OSPF wildcard bits

From: elping (elpingu@xxxxxxxxxx)
Date: Sun Jun 30 2002 - 16:44:58 GMT-3


   
either way you choose is ok .....I have tryed both ways and works fine...even
mixed
just be certain that you do not overlap....

i like to specify the interface only on the network command

I have even done this on a production network.....could get the mask quick enou
gh
so configured the area with the specific ip address and 0.0.0.0 mask....

El ping

Ahmed Al-Ghawas wrote:

> Guys,
>
> I am really getting confused!
>
> >From what I understood from "CCIE Practical Studies" book that when using th
e
> network command, that you ought to be precise in the extent that you would ad
d
> the interface ip address and not advertise the whole subnet mask!
>
> For example:
>
> R1
> S0:10.1.128.1/24
> |
> |
> S0:10.1.128.2/24
> R2
> S1:10.1.80.1/24
> |
> |
> S1:10.1.80.3/24
> R3
>
> R1 config:
> router ospf 2001
> network 10.1.128.1 0.0.0.0 area x (and not; network 10.1.128.0 0.0.0.255 area
> x!!)
>
> R2 config:
> router ospf 2001
> network 10.1.128.2 0.0.0.0 area x (and not; network 10.1.128.0 0.0.0.255 area
> x!!)
> network 10.1.80.1 0.0.0.0 area x (and not; network 10.1.80.0 0.0.0.255 area
> x!!)
>
> R3 config:
> router ospf 2001
> network 10.1.80.3 0.0.0.0 area x (and not; network 10.1.80.0 0.0.0.255 area
> x!!)
>
> I really need to stick to one concept and understand why this book doest it
> differently then the other and avoid loosing marks for such stupid thing in
> the real lab!!
>
> Any input is much appreciated
>
> Ahmed



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