Controlling Source Information that Your Switch Originates You can control the multicast source information that originates with your device: • Sources you advertise (based on your sources) • Receivers of source information (based on knowing the requestor) For more information, see the Redistributing Sources, on page 9 and the Filtering Source-Active Request Messages, on page 11 . Redistributing Sources SA messages originate on RPs to which sources have registered. By default, any source that registers with an RP is advertised. The A flag is set in the RP when a source is registered, which means the source is advertised in an SA unless it is filtered.
Follow these steps to further restrict which registered sources are advertised: Procedure Configuring MSDP Controlling Source Information that Your Switch Originates Command or Action Purpose Step 5 show running-config Example: Device#show running-config Verifies your entries. Step 6 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: Device#configure terminal Enters global configuration mode. Configuring MSDP 9