Dell PowerSwitch S5212F-ON EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 833
IGMP snooping, IGMP Connected Group Membership
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To view IGMP-enabled interfaces: OS10# show ip igmp interface Vlan103 is up, line protocol is up Internet address is 2.1.1.2 IGMP is enabled on interface IGMP version is 3 IGMP query interval is 60 seconds IGMP querier timeout is 130 seconds IGMP last member query response interval is 1000 ms IGMP max response time is 10 seconds IGMP immediate-leave is disabled on this interface IGMP joins count: 0 IGMP querying router is 2.1.1.1 Vlan105 is up, line protocol is up Internet address is 3.1.1.2 IGMP is enabled on interface IGMP version is 3 IGMP query interval is 60 seconds IGMP querier timeout is 130 seconds IGMP last member query response interval is 1000 ms IGMP max response time is 10 seconds IGMP immediate-leave is disabled on this interface IGMP joins count: 0 IGMP querying router is 3.1.1.1 Vlan121 is up, line protocol is up Internet address is 121.1.1.2 IGMP is enabled on interface IGMP version is 3 IGMP query interval is 60 seconds IGMP querier timeout is 130 seconds IGMP last member query response interval is 1000 ms IGMP max response time is 10 seconds IGMP immediate-leave is disabled on this interface IGMP joins count: 100 IGMP querying router is 121.1.1.2 To view IGMP groups: OS10# show ip igmp groups Total Number of Groups: 100 IGMP Connected Group Membership Group Address Interface Mode 225.1.1.1 vlan121 IGMPv2-Compat 225.1.1.2 vlan121 IGMPv2-Compat 225.1.1.3 vlan121 IGMPv2-Compat 225.1.1.4 vlan121 IGMPv2-Compat 225.1.1.5 vlan121 IGMPv2-Compat 225.1.1.6 vlan121 IGMPv2-Compat 225.1.1.7 vlan121 IGMPv2-Compat 225.1.1.8 vlan121 IGMPv2-Compat 225.1.1.9 vlan121 IGMPv2-Compat 225.1.1.10 vlan121 IGMPv2-Compat 225.1.1.11 vlan121 IGMPv2-Compat 225.1.1.12 vlan121 IGMPv2-Compat 225.1.1.13 vlan121 IGMPv2-Compat 225.1.1.14 vlan121 IGMPv2-Compat 225.1.1.15 vlan121 IGMPv2-Compat 225.1.1.16 vlan121 IGMPv2-Compat Uptime 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 12:39:00 Expires 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 00:01:58 Last Reporter 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 121.1.1.10 IGMP snooping IGMP snooping uses the information in IGMP packets to generate a forwarding table that associates ports with multicast groups. When switches receive multicast frames, they forward them to their intended receivers. OS10 supports IGMP snooping on virtual local area network (VLAN) interfaces. Effective with OS10 release 10.4.3.0, IGMP snooping is enabled by default. Multicast 833
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