Hub/Switch Reference Guide

IGMP Snooping Commands 443
Nortel WLAN—Security Switch 2300 Series Command Line Reference
See Also clear igmp statistics on page 415
IGMP message type Type of IGMP message, continued:
• 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 WSS 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 WSS and multicast packets
received and then forwarded by the switch.
Dropped Number of IGMP packets dropped by the WSS.
Topology notifications Number of Layer 2 topology change notifications received by the
WSS.
Note: In the current software version, the value in this field is
always 0.
Packets with unknown IGMP
type
Number of multicast packets received with an unrecognized
multicast type.
Packets with bad length Number of packets with an invalid length.
Packets with bad IGMP
checksum
Number of packets with an invalid IGMP checksum value.
Packets dropped Number of multicast packets dropped by the WSS.
Table 5: Output for show igmp statistics (continued)
Field Description