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IGMP V3 3
Syntax: [no] ip igmp tracking
Creating a static IGMP group
To configure a physical port to be a permanent (static) member of an IGMP group, enter the
following commands.
Brocade(config)# interface ethernet 1/5
Brocade(config-if-e1000-1/5)# ip igmp static-group 224.10.1.1
Syntax: [no] ip igmp static-group ip-address
Enter the IP address of the static IGMP group for ip-address.
To configure a virtual port to be a permanent (static) member of an IGMP group, enter the following
commands.
Brocade(config)# interface ve 10
Brocade(config-vif-10)# ip igmp static-group 224.10.1.1 ethernet 1/5
Syntax: [no] ip igmp static-group ip-address ethernet slot-number/port-number
Enter the IP address of the static IGMP group for ip-address.
Enter the ID of the physical port of the VLAN that will be a member of the group for ethernet
slot-number/port-number.
NOTE
IGMPv3 does not support static IGMP group members.
NOTE
Static IGMP groups are supported only in Layer 3 mode.
Setting the query interval
The IGMP query interval period defines how often a switch will query an interface for group
membership. Possible values are 2-3600 seconds and the default value is 125 seconds, but the
value you enter must be a little more than twice the group membership time.
To modify the default value for the IGMP query interval, enter the following.
Brocade(config)# ip igmp query-interval 120
Syntax: [no] ip igmp query-interval 2-3600
The interval must be a little more than two times the group membership time.
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.
Brocade(config)# ip igmp group-membership-time 240
FastIron Ethernet Switch IP Multicast Configuration Guide 139
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