Controlling Source Information that Your Switch Forwards By default, the device forwards all SA messages it receives to all its MSDP peers. However, you can prevent outgoing messages from being forwarded to a peer by using a filter or by setting a time-to-live (TTL) value. Using a Filter By creating a filter, you can perform one of these actions: • Filter all source/group pairs • Specify an IP extended access list to pass only certain source/group pairs • Filter based on match criteria in a route map Follow these steps to apply a filter: Procedure Configuring MSDP Controlling Source Information that Your Switch Forwards Command or Action Purpose Step 5 end Example:
Device(config)#end Returns to privileged EXEC mode. Step 6 show running-config Example: Device#show running-config Verifies your entries. Step 7 copy running-config startup-config Example: Device#copy running-config startup-config (Optional) Saves your entries in the configuration file. Command or Action Purpose Step 1 enable Example: Device>enable Enables privileged EXEC mode. • Enter your password if prompted. Step 2 configure terminal Example: Enters global configuration mode. Configuring MSDP 13