Brocade FastIron Ethernet Switch IP Multicast Configuration Guide - Manual (Page 154)

Setting the group membership time
Group membership time defines how long a group will remain active on an interface in the absence of
a group report. Possible values are from 5 - 26000 seconds and the default value is 260 seconds.
To define an IGMP membership time of 240 seconds, enter the following.
device(config)# ip igmp group-membership-time 240
Syntax: [no] ip igmp group-membership-time 5-26000
Setting the maximum response time
The maximum response time defines the maximum number of seconds that a client can wait before it
replies to the query sent by the router. Possible values are 1 - 25. The default is 10.
To change the IGMP maximum response time, enter a command such as the following at the global
CONFIG level of the CLI.
device(config)# ip igmp max-response-time 8
Syntax: [no] ip igmp max-response-time num
The num parameter specifies the maximum number of seconds for the response time. Enter a value
from 1 - 25. The default is 10.
Displaying IGMPv3 information
The sections below present the show commands available for IGMP V3.
Displaying IGMP group status
You can display the status of all IGMP multicast groups on a device by entering the following
command.
device# show ip igmp group
Total 2 entries
-----------------------------------------------------
Idx Group Address Port Intf Mode Timer Srcs
---+----------------+------+------+-------+-----+----
1 232.0.0.1 e6/2 v30 include 0 7
2 226.0.0.1 e6/2 v30 exclude 240 2
e6/3 e6/3 include 0 3
Total number of groups 2
To display the status of one IGMP multicast group, enter a command such as the following.
device# show ip igmp group 239.0.0.1 detail
Total 2 entries
-----------------------------------------------------
Idx Group Address Port Intf Mode Timer Srcs
---+----------------+------+------+-------+-----+----
1 226.0.0.1 e6/2 v30 exclude 218 2
S: 40.40.40.12
S: 40.40.40.11
S: 40.40.40.10
S: 40.40.40.2 (Age: 218)
S: 40.40.40.3 (Age: 218)
226.0.0.1 e6/3 e6/3 include 0 3
S: 30.30.30.3 (Age: 165)
S: 30.30.30.2 (Age: 165)
S: 30.30.30.1 (Age: 165)
Setting the group membership time
152 FastIron Ethernet Switch IP Multicast Configuration Guide
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