D-Link DWS-1008 Cli Reference Manual page 470

Examples: The following command displays IGMP statistics for VLAN orange:
DWS-1008# show igmp statistics vlan orange
IGMP statistics for vlan orange:
IGMP message type
-------------------------------------------------------------------------------------------------
General-Queries
GS-Queries
Report V1
Report V2
Leave
Mrouter-Adv
Mrouter-Term
Mrouter-Sol
DVMRP
PIM V1
PIM V2
Topology notifications: 0
Packets with unknown IGMP type: 0
Packets with bad length: 0
Packets with bad checksum: 0
Packets dropped: 4
The table below describes the fields in this display.
Field
IGMP statistics for vlan VLAN name. Statistics are listed separately for each VLAN.
IGMP message type
IGMP message type
D-Link DWS-1008 CLI Manual
Received
0
0
0
5
0
0
0
50
4
0
0
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 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.
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 switch 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.
Transmitted Dropped
0 0
0 0
0 0
1 4
0 0
0 0
0 0
101 0
4 0
0 0
0 0
Description