Cisco WS-C3560E-48PD-SF Command Reference - Page 187

Chapter 2 Catalyst 3560 Switch Cisco IOS Commands ip igmp max-groups ip igmp max-groups Use the ip igmp max-groups interface configuration command to set the maximum number of Internet Group Management Protocol (IGMP) groups that a Layer 2 interface can join or to configure the IGMP throttling action when the maximum number of entries is in the forwarding table. Use the no form of this command to set the maximum back to the default, which is to have no maximum limit, or to return to the default throttling action, which is to drop the report. ip igmp max-groups {number | action {deny | replace}} no ip igmp max-groups {number | action} Syntax Description number action deny action replace The maximum number of IGMP groups that an interface can join. The range is 0 to 4294967294. The default is no limit. When the maximum number of entries is in the IGMP snooping forwarding table, drop the next IGMP join report. This is the default action. When the maximum number of entries is in the IGMP snooping forwarding table, replace the existing group with the new group for which the IGMP report was received. Defaults The default maximum number of groups is no limit. After the switch learns the maximum number of IGMP group entries on an interface, the default throttling action is to drop the next IGMP report that the interface receives and to not add an entry for the IGMP group to the interface. Command Modes Interface configuration Command History Release 12.1(19)EA1 Modification This command was introduced. 78-16405-05 Catalyst 3560 Switch Command Reference 2-155