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C613-50100-01 REV C Command Reference for x930 Series 1680
AlliedWare Plus™ Operating System - Version 5.4.6-1.x
Multicast
Commands
Introduction
Overview This chapter provides an alphabetical reference of multicast commands for
configuring:
• IPv4 and IPv6 multicast forwarding
• IPv4 and IPv6 static multicast routes
• mroutes (routes back to a multicast source)
For commands for other multicast protocols, see:
• IGMP and IGMP Snooping Commands
• MLD and MLD Snooping Commands
• PIM-SM Commands
• PIM-SMv6 Commands
• PIM-DM Commands
NOTE: Before using PIM-SMv6 commands, IPv6 must be enabled on an interface with
the ipv6 enable command, IPv6 forwarding must be enabled globally for routing IPv6
with the ipv6 forwarding command, and IPv6 multicasting must be enabled globally
with the ipv6 multicast-routing command.
Static IPv6 multicast routes take priority over dynamic IPv6 multicast routes. Use the
clear ipv6 mroute command to clear static IPv6 multicast routes and ensure dynamic
IPv6 multicast routes can take over from previous static IPv6 multicast routes.
The IPv6 Multicast addresses shown can be derived from IPv6 unicast prefixes as per
RFC 3306.The IPv6 unicast prefix reserved for documentation is 2001:0db8::/32 as per
RFC 3849. Using the base /32 prefix the IPv6 multicast prefix for 2001:0db8::/32 is
ff3x:20:2001:0db8::/64. Where an RP address is 2001:0db8::1 the embedded RP
multicast prefix is ff7x:120:2001:0db8::/96. For ASM (Any-Source Multicast) the IPV6
multicast addresses allocated for documentation purposes are ff0x::0db8:0:0/96 as per
RFC 6676. This is a /96 prefix so that it can be used with group IDs as per RFC 3307. These
addresses should not be used for practical networks (other than for testing purposes),
nor should they appear in any public network.
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