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358 CHAPTER 11: IGMP SNOOPING COMMANDS
Table 70 Output of display igmp statistics
Field Description
IGMP statistics
for vlan
VLAN name. Statistics are listed separately for each VLAN.
IGMP message
type
Type of IGMP message:
General-Queries — General group membership queries sent by
the multicast querier (multicast router or pseudo-querier).
GS-Queries — Group-specific queries sent by the multicast
querier to determine whether there are receivers for a specific
group.
Report V1 — IGMP version 1 group membership reports sent
by clients who want to be receivers for the groups.
Report V2 — IGMP version 2 group membership reports sent
by clients who want to be receivers for the groups.
Leave — IGMP version 2 leave messages sent by clients who
want to stop receiving traffic for a group. Leave messages apply
only to IGMP version 2.
Mrouter-Adv — Multicast router advertisement packets. A
multicast router sends this type of packet to advertise the IP
address of the sending interface as a multicast router interface.
Mrouter-Term — Multicast router termination messages. A
multicast router sends this type of message when multicast
forwarding is disabled on the router interface, the router
interface is administratively disabled, or the router itself is
gracefully shutdown.
Mrouter-Sol — Multicast router solicitation messages. A
multicast client or a WX sends this type of message to
immediately solicit multicast router advertisement messages
from the multicast routers in the subnet.
DVMRP — Distance Vector Multicast Routing Protocol (DVMRP)
messages. Multicast routers running DVMRP exchange multicast
information with these messages.
PIM V1 — Protocol Independent Multicast (PIM) version 1
messages. Multicast routers running PIMv1 exchange multicast
information with these messages.
PIM V2 — PIM version 2 messages.
Received Number of packets received.
Transmitted Number of packets transmitted. This number includes both
multicast packets originated by the WX and multicast packets
received and then forwarded by the WX.
Dropped Number of IGMP packets dropped by the WX.