Internet Group Management Protocol (Igmp); Igmp Commands; Important Points To Remember - Dell PowerEdge M I/O Aggregator Reference Manual

Internet Group Management Protocol (IGMP)

IGMP Commands

The Dell Force10 operating software (FTOS) supports internet group management protocol (IGMP)
snooping version 2 and 3 on all Dell Force10 systems:
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Important Points to Remember

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clear ip igmp groups
debug ip igmp
ip igmp snooping flood
show ip igmp groups
show ip igmp interface
show ip igmp snooping mrouter
FTOS supports version 1, version 2, and version 3 hosts.
FTOS IGMP snooping implementation is based on IP multicast address (not based on Layer 2
multicast mac-address) and the IGMP snooping entries are in Layer 3 flow table not in Layer 2
forwarding information base (FIB).
FTOS IGMP snooping implementation is based on draft-ietf-magma-snoop-10.
IGMP snooping is supported on all
IGMP snooping is enabled by default on the switch.
A maximum of 8k groups and 4k virtual local area networks (VLAN) are supported.
IGMP snooping is not supported on default VLAN interface.
Flooding of unregistered multicast traffic is enabled by default.
Queries are not accepted from the server side ports and are only accepted from the uplink LAG.
Reports and Leaves are flooded by default to the uplink LAG irrespective of whether it is an
mrouter port or not.
stack members.
M I/O Aggregator
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