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Calculate ACL with suitable mask

February 17, 2014
by Jacob
6 Comments

Calculate ACL with suitable mask

Last week i stumbled over a miracle, how to calculate the appropriate mask for a special ip range.
My colleagues and i discussed arp inspection and a strange associated acl setting method.
I never ever see a acl like this:

arp access-list default-gw
deny ip 0.0.0.1 255.255.255.0 mac any log
permit ip any mac any

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