Hi,

what the command does is to turn on the ospf process on a matching interface.

The more specific your are the more you are sure what interface you're matching.

Regards.




________________________________
From: Judson Bishop <[email protected]>
To: [email protected]
Sent: Sun, September 26, 2010 10:51:38 PM
Subject: [OSL | CCIE_RS] OSPF wildcard mask help.

All,

Yesterday I did Vol-1 Lab-11 and today I am working on Vol-1 Lab-15
and I have a question regrading the wildcard mask.  In the Lab-11
solution guide all of the wildcard masks are 0.0.0.0 but in the Lab-15
solution guide some are 0.0.0.0 and some are 0.0.0.255.  Is it just
loopback addresses?  Is there some rule of thumb I missed?

I realize the goal is determining which interface will be placed in
what area, 0.0.0.0 only matching the one interface and 0.0.0.255
matching a subnets worth of interface addresses, I'm just looking for
consistency for my understanding and I'm struggling to find it.  In
both situations it is only one interface that is added to an area, yet
the wildcard masks are different.

I do not understand why Lab-11 uses such tight scope and Lab-15 does not.

Thanks for your help.

Jud
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_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit 
www.ipexpert.com

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