Does anyone know of a good resource that explains extended access-list?
I'm having problems understanding how to take a range of networks and
reduce them in number by summarizing them. For example, if I want to
filter out all networks from 24.1.0.0 to 24.20.0.0, how would I
determine what inverse mask to use?
access-list 101 deny ip 24.1.0.0 ?.?.?.? any
I know if I want to filter just 24.1.0.0, I would do
access-list 101 deny ip 24.1.0.0 0.0.255.255 any
thanks in advance....
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