CONFIGURING IP MULTICASTING ROUTING
Table 11-2: IGMP Configuration Commands (continued)
Command | Description |
config igmp <query_interval> <query_response_interval> <last_member_query_interval>
config igmp snooping <router_timeout> <host_timeout>
Configures the IGMP timers. Timers are based on RFC2236. Specify the following:
■query_interval — The amount of time, in seconds, the switch waits between sending out General Queries. The range is 1 to 4294967296 seconds (136 years). The default setting is 125 seconds.
■query_response_interval — The maximum response time inserted into the periodic General Queries. The range is 1 to
25 seconds. The default setting is 10 seconds.
■last_member_query_interval — The maximum response time inserted into a
Configures the IGMP snooping timers. Timers should be set to approximately 2.5 times the router query interval in use on the network. Specify the following:
■router_timeout — The interval, in seconds, between the last time the router was discovered and the current time. The range is 10 to 4294967296 seconds (136 years). The default setting is 260 seconds.
■host_timeout — The interval, in seconds, between the last IGMP group report message from the host and the current time. The range is 10 to 4294967296 seconds (136 years). The default setting is 260 seconds.
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