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some group; that is, if configuring the interface join-group 224.1.1.1, it will transmit IGMP
member report including group 224.1.1.1 when the switch receives IGMP group query
transmitted by other switches. Carefully, it is the diffence between the command and
ip
igmp static-group
command.
Example:
Configure join-group 224.1.1.1 on interface vlan1.
Switch (Config)#interface vlan 1
Switch(Config-If-Vlan1)#ip igmp join-group 224.1.1.1
17.6.3.6 ip igmp query-interval
Command:ip igmp query-interval <time_val>
no ip igmp query-interval
Function:
Configure interval of periodly transmitted IGMP query information; the “
no ip
igmp query-interval
” command restores default value.
Parameter: <time_val>
is interval of periodly transmitted IGMP query information, value
range from 1s to 65535s.
Default:
Default interval of periodly transmitted IGMP query information to 125s.
Command Mode:
Interface Configuration Mode
Usage Guide:
Periodly transmitting IGMP query information on interface when some
interface enables some group multicast protocol. The command applies to configure this
query period time.
Example:
Configure interval of periodly transmitted IGMP query message to 10s
Switch (Config)#interface vlan 1
Switch(Config-If-Vlan1)#ip igmp query-interval 10
17.6.3.7 ip igmp query-max-response-time
Command:ip igmp query-max-response-time <time_val>
no ip igmp query- max-response-time
Function:
Configure IGMP query-max-response-time of interface; the “
no ip igmp
query-max-response-time
” command restores default value.
Parameter: <time_val>
is IGMP query-max-response-time of interface, value range from
1s to 25s
Default:
Default: 10s.
Command Mode:
Interface Configuration Mode
Usage Guide:
After the switch receives a query message, the host will configure a timer
for its affiliated every multicast group, the value of timer is selected random from 0 to
maximum response time, the host will transmit member report message of the multicast
group. Reasonablely configuring maximum response time, it can make host quickly
response query message. The router can also quickly grasp the status of multicast group
