Access Security Guide K/KA/KB.15.15

Example 10 Example of allowing only one IPv4 address ("host" option)
Suppose, for example, that you have configured the ACL in Figure 236 (page 325) to filter inbound
packets on VLAN 20. Because the mask is all zeros, the ACE policy dictates that a match occurs
only when the source address on such packets is identical to the address configured in the ACE.
Figure 236 An ACL with an ACE that allows only one source address
Overview 325