What Is Cisco Acl Example?
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A Cisco ACL (Access Control List) is an ordered list of permit and deny conditions used to filter traffic on a router or switch interface.
For example, a basic Cisco ACL may look like this:
access-list 10 permit ip host 10.0.0.10 host 20.0.0.20
access-list 10 deny ip any any
access-list 10 permit ip any any
The first line in this example allows host 10.0.0.10 to access host 20.0.0.20. The second line denies all other traffic, while the third line allows all other traffic.