3Com 5500G-EI Command Reference Guide - Page 248

248 CHAPTER 7: USING MULTICAST PROTOCOL COMMANDS Use the undo multicast routing-enable to disable IP multicast routing. By default, IP multicast routing is disabled. The system will not forward any multicast packet when IP multicast routing is disabled. Related commands: igmp enable, pim dm, pim sm. Example Enable IP multicast routing. system-view System View: return to User View with Ctrl+Z [SW5500]multicast routing-enable reset multicast forwarding-table Syntax reset multicast forwarding-table [ statistics ] { all | { group-address [ mask { group-mask | group-mask-length } ] | source-address [ mask { source-mask | source-mask-length } ] | incoming-interface interface-type interface-number } * } View User View Parameter statistics: If it is selected, the system clears the statistic information of MFC forward entries. Otherwise, the system clears MFC forward entries. all: All MFC forward entries. group-address: Specifies group address. group-mask: Specifies Mask of group address group-mask-length: Specifies mask length of group address. source-address: Specifies source address. source-mask: Specifies mask of source address. source-mask-length: Specifies mask length of source address. incoming-interface: Specifies incoming interface for the forward entry. interface-type interface-number: Interface type and interface number. Description Use the reset multicast forwarding-table command to clear MFC forwarding entries or statistic information of MFC forwarding entries. Type in the source address first and group address after in the command, ensure that both addresses are valid. The system prompts error information if invalid addresses are entered.