I think it's just a matter of how specific you want to be, obviously
network 150.100.35.0 0.0.0.255 area 15 is going to advertise more possible
interfaces than  network 150.100.35.5 0.0.0.0 area 15. I think for the lab
you can do whichever you want including 0.0.0.0 0.0.0.0 area 15 if it meets
your requirements and doesn't advertise too much.

On Thu, Dec 2, 2010 at 3:10 PM, Lemish, Christopher <
[email protected]> wrote:

> ?
>  Guys,
>
> I was just wondering what the standard practice should be when advertising
> a network.  The lab guide shows:
>
> router ospf 1
>  network 150.100.35.5 0.0.0.0 area 15
>
> ---NOT---
>
> router ospf 1
>  network 150.100.35.0 0.0.0.255 area 15
>
> In 12.4 it says configure OSPF Area 0 on R4, R5, and R6's Frame-Relay
> "interface" so do you advertise the specific interface address in this
> sitatuation?
> In 12.5, it doesn't mention the interface but the config says to advertise
> the actual ip address, so I'm wondering when do we know the difference?
>
> Thank you,
> Chris
>
>
>
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