Hi Christopher,

Volume 2 lab 9 task 1 appears to deal with initial switch
configuration (vtp, vlans, etc), I don't see a subnetting question, is
it possibly a different task?

-Marc

On Wed, May 18, 2011 at 1:47 PM, Lemish, Christopher
<[email protected]> wrote:
> ?
> Guys,
>
> Quick question that I'm trying to fully understand the logic.
>
> access-list 191 deny ip 150.20.66.0 0.0.0.127 150.21.21.128 0.0.0.127
> access-list 191 deny ip 150.20.66.0 0.0.0.127 150.20.56.128 0.0.0.127
> access-list 191 deny ip 150.20.66.129 0.0.0.126 150.20.87.0 0.0.0.254
> //ACL above says the latter part of this subnet is denied access to all odd 
> IPs in the 4th octet
> access-list 191 deny ip 150.20.66.129 0.0.0.126 150.20.80.0 0.0.0.254
> //ACL above says the latter part of this subnet is denied access to all even 
> IPs in the 4th octet
> ?Question: If you inverse 254, you come up with 1, so shouldn't that be 
> matching odds? (we care about the last bit and if its a 1, it will match odd 
> numbers)  How would this match evens as well? (its the same as the ACL above 
> it, no?)
>
> access-list 191 permit ip any any
> int fa0/1
> ip access-group 191 in
> int mu1
> ip access-group 191 in
>
>
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