442IGMP Snooping Commands

DVMRP

4

4

0

PIM V1

0

0

0

PIM V2

0

0

0

Topology notifications: 0

Packets with unknown IGMP type: 0

Packets with bad length: 0

Packets with bad checksum: 0

Packets dropped: 4

Table 67 describes the fields in this display.

Table 5: Output for show 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

 

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.

NN47250-100 (Version 02.51)

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Nortel Networks 2300 Series manual Output for show igmp statistics