356CHAPTER 11: IGMP SNOOPING COMMANDS

The following command lists all receivers for multicast groups 237.255.255.1 through 237.255.255.255, in all VLANs:

WX1200# display igmp receiver-table group 237.255.255.0/24

VLAN: red

Port Receiver-IP

Receiver-MAC

TTL

Session

--------------- ---- --------------- ----------------- -----

 

237.255.255.2

2

10.10.20.19 00:02:04:06:09:0d

112

 

237.255.255.119

3

10.10.30.31 00:02:04:06:01:0b

112

 

VLAN: green

Port Receiver-IP

Receiver-MAC

TTL

Session

--------------- ---- --------------- ----------------- -----

 

237.255.255.17

1

10.10.40.41 00:02:06:08:02:0c

12

 

237.255.255.255

6

10.10.60.61 00:05:09:0c:0a:01

111

 

 

 

Table 69 describes the fields in this display.

 

 

 

 

Table 69 Output for display igmp receiver-table

 

 

 

 

 

 

 

 

Field

Description

 

 

 

 

 

 

 

 

 

VLAN

VLAN that contains the multicast receiver ports. Ports are

 

 

 

 

listed separately for each VLAN.

 

 

 

 

 

 

 

Session

IP address of the multicast group being received.

 

 

 

 

 

 

 

Port

Physical port through which the WX can reach the

 

 

 

 

receiver.

 

 

 

 

 

 

 

 

 

Receiver-IP

IP address of the receiver.

 

 

 

 

 

 

 

Receiver-MAC

MAC address of the receiver.

 

 

 

 

 

 

 

 

 

 

 

 

TTL

Number of seconds before this entry ages out if the WX

 

 

 

 

does not receive a group membership message from the

 

 

 

 

receiver. For static multicast receiver entries, the TTL value

 

 

 

 

is undef. Static multicast receiver entries do not age out.

 

 

 

 

 

 

 

 

See Also

 

 

 

 

 

„ set igmp receiver on page 367

 

 

 

 

 

 

 

display igmp

 

Shows IGMP statistics.

 

 

statistics

 

Syntax — display igmp statistics [vlan vlan-id]

 

 

 

„

vlan vlan-id— VLAN name or number. If you do not specify a

 

 

 

VLAN, MSS displays IGMP statistics for all VLANs.

Page 356
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3Com 3CRWX440095A See Also „ set igmp receiver on, Shows Igmp statistics, VLAN, MSS displays Igmp statistics for all VLANs