Good answer, Jay. For everyone who thinks that the wild-card mask is the opposite of the subnet mask...

I have a set of subnets that I need to match. The first octet is 10. The second octet is a building number. The third octet identifies the subnet in each building, and is "4" for the voice subnet, which is what I want to match.

Build a wild-card mask that matches
10.x.4.x

Is it the inverse of the subnet mask?

        -tcs

On 7/22/64 2:59 PM, Jay Taylor wrote:
Offset list is used to increment the metric of certain routes.

In a wildcard mask a binary 0 means the bit must match and a binary 1 means
it does not have to match. This is reverse logic compared to a normal subnet
mask. Also, unlike a subnet mask the 1's and 0's do not need to be
contiguous.


On Mon, Apr 11, 2011 at 11:04 AM, Uli<[email protected]>  wrote:

Hi Expert,

Does anyone can explain to me about offset-list as I kind of confused with
it. also, in my opinion that wild card mask is reverse of subnet mask, but
someone told me it isn't ?


Regards
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Terry Slattery    CCIE# 1026

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