If you have mastered multicast on the Cisco routers and switches, then you have a huge head start on the Cisco Adaptive Security Appliance (ASA). In this post, we will examine multicast on this Cisco security device.
In order to enjoy multicast routing support on the Cisco ASA, you must first enable it. This is done with the following Global Configuration command:
This command has a very powerful effect on the Cisco ASA. IGMP and PIM are enabled on all interfaces by default. In order to reverse this for any interface, use the following commands:
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