Dell Force10 S55T FTOS Command Line Reference Guide for the S55 System FTOS 8. - Page 440
ip igmp snooping flood, ip igmp snooping last-member-query-interval
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www.dell.com | support.dell.com ip igmp snooping flood c e s This command controls the flooding behavior of unregistered multicast data packets. On the E-Series, when flooding is enabled (the default), unregistered multicast data traffic is flooded to all ports in a VLAN. When flooding is disabled, unregistered multicast data traffic is forwarded to only multicast router ports, both static and dynamic, in a VLAN. If there is no multicast router port in a VLAN, then unregistered multicast data traffic is dropped. On the C-Series and S-Series, unregistered multicast data traffic is dropped when flooding is disabled; they do not forward the packets to multicast router ports. On the C-Series and S-Series, Layer 3 multicast must be disabled (no ip multicast-routing) in order to disable Layer 2 multicast flooding. Syntax ip igmp snooping flood Defaults Enabled Command Modes CONFIGURATION Command History Version 8.3.5.0 Version 8.2.1.0 Version 7.7.1.1 Introduced on the S55. Introduced on the C-Series and S-Series. Introduced on E-Series. ip igmp snooping last-member-query-interval c e s The last member query interval is the "maximum response time" inserted into Group-Specific queries sent in response to Group-Leave messages. This interval is also the interval between successive Group-Specific Query messages. Use this command to change the last member query interval. Syntax ip igmp snooping last-member-query-interval milliseconds To return to the default value, enter no ip igmp snooping last-member-query-interval. Parameters milliseconds Enter the interval in milliseconds. Default: 1000 milliseconds Range: 100 to 65535 Defaults 1000 milliseconds Command Modes INTERFACE VLAN Command History Version 8.3.5.0 Introduced on the S55. Version 7.6.1.0 Introduced on S-Series Version 7.5.1.0 Introduced on C-Series E-Series legacy command 440 | Internet Group Management Protocol (IGMP)