Configuring Igmp - 3Com 5500-SI Configuration Manual

328 C 18: M
HAPTER ULTICAST

Configuring IGMP

P
ROTOCOL
Basic IGMP configuration includes:
Enabling Multicast
■
Enabling IGMP on an Interface
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Advanced IGMP configuration includes:
Configuring the IGMP Version
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Configuring the Interval and the Number of IGMP Query Packets
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Configuring the Limit of IGMP Groups on an Interface
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Configuring a Router to Join Specified Multicast Group
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Limiting Multicast Groups An Interface Can Access
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Configuring the Interval to Send IGMP Query Message
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Configuring the Present Time of IGMP Querier
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Configuring Maximum Response Time for IGMP Query Message
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Deleting IGMP Groups Joined on an Interface
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Enabling Multicast
Refer to "Common Multicast Configuration" on page 323.
Enabling IGMP on an Interface
You must enable multicast before you can execute the
After this, you can initiate IGMP feature configuration.
Perform the following configuration in Interface View.
Table 328 Enabling/Disabling IGMP on an interface
Operation
Enable IGMP on an interface
Disable IGMP on an interface
By default, IGMP is not enabled.
Configuring the IGMP Version
Perform the following configuration in Interface View.
Table 329 Selecting the IGMP version
Operation
Select the IGMP version that the router uses
Restore the default setting
By default, IGMP Version 2 is used.
All routers on a subnet must support the same version of IGMP. After detecting
the presence of IGMP Version 1 system, a router cannot automatically switch to
Version 1.
igmp enable
Command
igmp enable
undo igmp enable
Command
igmp version { 1 | 2 }
undo igmp version
command.