Intel 480T, User Manual

Page: 235 / 367

C H A P T E R 1 2 IP Multicast Routing
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config igmp <query_interval>
<query_response_interval>
<last_member_query_interval> Configures the IGMP timers. Timers are
based on RFC2236. Specify the following:
•
query_interval
— The amount of
time, in seconds, the system waits
between sending out General Queries.
The range is 1 to 2,147,483,647 seconds
(68 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
Group-Specific Query sent in response to
a Leave group message. The range is 1 to
25 seconds. The default setting is 1
second.
config igmp snooping timer
<router_timeout> <host_timeout> 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 2,147,483,647 seconds (68
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
2,147,483,647 seconds (68 years). The
default setting is 260 seconds.
Table 58: IGMP Configuration Commands (continued)
Command Description