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Alteon OS Command Reference
The Configuration Menu
28343W7774, May 2007
/cfg/l3/igmp/snoop
IGMP Snooping Configuration
IGMP Snooping allows the switch to forward multicast traffic only to those ports that
request it. IGMP snooping prevents multicast traffic from being flooded to all ports. The
switch learns which server hosts are interested in receiving multicast traffic, and forwards it
only to ports connected to those servers.
Table 6-80 describes the commands used to configure IGMP Snooping.
[IGMP Snoop Menu]
igmpv3 - IGMP Version3 Snoop Menu
mrto - Set multicast router timeout
aggr - Aggregate IGMP report
srcip - Set source ip to use when proxying GSQ
add - Add VLAN(s) to IGMP Snooping
rem - Remove VLAN(s) from IGMP Snooping
clear - Remove all VLAN(s) from IGMP Snooping
ena - Enable IGMP Snooping
dis - Disable IGMP Snooping
cur - Display current IGMP Snooping configuration
Table 6-80 IGMP Snoop Menu Options (/cfg/l3/igmp/snoop)
Command Syntax and Usage
igmpv3
Displays the IGMP version 3 Menu. To view menu options, see page 284.
mrto <1-600 seconds>
Configures the timeout value for IGMP Membership Queries (mrouter). Once the timeout value
is reached, the switch removes the multicast router from its IGMP table, if the proper conditions
are met. The range is from 1 to 600 seconds. The default is 255 seconds.
aggr enable|disable
Enables or disables IGMP Membership Report aggregation.
srcip <IP address (such as, 192.4.17.101)>
Configures the source IP address used as a proxy for IGMP Group Specific Queries.
add <VLAN number (1-4094)>
Adds the selected VLAN(s) to IGMP Snooping.
rem <VLAN number (1-4094)>
Removes the selected VLAN(s) from IGMP Snooping.
clear
Removes all VLANs from IGMP Snooping.