Technical data

BLADE OS 5.0 Command Reference
284
 Chapter 6: The Configuration Menu BMD00142, November 2009
/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 168 describes the commands used to configure IGMP Snooping.
[IGMP Snoop Menu]
igmpv3 - IGMP Version3 Snoop Menu
timeout - Set report timeout
mrto - Set multicast router timeout
qintrval - Set IGMP query interval
robust - Set expected packet loss on subnet
flood - Flood unregistered IPMC
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
fastlv - Enable/disable Fastleave processing in VLAN
def - Set IGMP Snooping settings to factory default
cur - Display current IGMP Snooping configuration
Table 168 IGMP Snoop Options
Command Syntax and Usage
igmpv3
Displays the IGMP version 3 menu. To view menu options, see page 286.
timeout <1-255>
Configures the timeout value for IGMP Membership Reports (host). Once the timeout value
is reached, the switch removes the host from its IGMP table, if the conditions are met. The
range is from 1 to 255 seconds. The default is 10 seconds.
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.
qinterval <1-600>
Configures the interval for IGMP Query Reports. The default value is 125 seconds.