Using Access Lists for a WCCP Service Group Perform this task to configure the device to use an access list to determine which traffic should be directed to which content engine. Procedure Configuring WCCP Using Access Lists for a WCCP Service Group Command or Action Purpose Example: Device(config-if)# ip pim dense-mode Note To ensure correct operation of the ip wccp group-listen command on the Catalyst 9000 Series switches, enter the ip pim command in addition to the ip wccp group-listen command. Step 7 ip wccp [vrf vrf-name] {web-cache | service-number} group-listen Example:
Device(config-if)# ip wccp 99 group-listen Configures an interface to enable or disable the reception of IP multicast packets for WCCP. Command or Action Purpose Step 1 enable Example: Device> enable Enables privileged EXEC mode. Enter your password, if prompted. Step 2 configure terminal Example: Device# configure terminal Enters global configuration mode. Step 3 access-list access-list-number remark remark Example: Device(config)# access-list 1 remark Give access to user1 (Optional) Adds a user-friendly comment about an access list entry. A remark of up to 100 characters can precede or follow an access list entry.
Step 4 access-list access-list-number permit {source [source-wildcard] | any} [log] Example: Device(config)# access-list 1 permit 172.16.5.22 0.0.0.0 Creates an access list that enables or disables traffic redirection to the cache engine and permits the specified source based on a source address and wildcard mask. • Every access list needs at least one permit statement; it does not need to be the first entry. Configuring WCCP 13