TP-Link Jetstream T1500G-8T User Manual page 249

Configuring Layer 2 Multicast
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The following example shows how to enable IGMP Snooping for VLAN 1, and configure the
member port aging time as 300 seconds, the router port aging time as 320 seconds, and
then enable Fast Leave and Report Suppression for the VLAN:
Switch#configure
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ip igmp snooping vlan-config vlan-id-list querier
(Optional) Enable the IGMP Snooping Querier for the VLAN. By default, it is disabled.
When enabled, the switch acts as an IGMP Snooping Querier for the hosts in this VLAN. A
querier periodically sends a general query on the network to solicit membership information,
and sends group-specific queries when it receives leave messages from hosts.
vlan-id-list:
Specify the ID or the ID list of the VLAN(s).
Note:
To enable IGMP Snooping Querier for a VLAN, IGMP Snooping should be enabled both globally
and in the VLAN.
After enabling IGMP Snooping Querier feature, you need to specify the corresponding
parameters including the Last Member Query Count, Last Member Query Interval, Maximum
Response Time, Query Interval and General Query Source IP. Use the command below in global
configuration mode to configure the parameters:
ip igmp snooping vlan-config vlan-id-list querier { max-response-time response-time |
query-interval interval | general-query source-ip ip-addr | last-member-query-count num |
last-member-query-interval interval }
vlan-id-list: Specify the ID or the ID list of the VLAN(s).
response-time: Specify the host's maximum response time to general query messages. Valid
values are from 1 to 25 seconds, and the default value is 10 seconds.
query-interval interval:
switch. Valid values are from 10 to 300 seconds, and the default value is 60 seconds.
ip-addr: Specify the source IP address of the general query messages sent by the switch. It
should be a unicast address. By default, it is 0.0.0.0.
num: Specify the number of group-specific queries to be sent. With IGMP Snooping Querier
enabled, when the switch receives an IGMP leave message, it obtains the address of the
multicast group that the host wants to leave from the message. Then the switch sends out
group-specific queries to this multicast group through the port receiving the leave message.
If specified count of group-specific queries are sent and no report message is received, the
switch will delete the multicast address from the multicast forwarding table. Valid values are
from 1 to 5, and the default value is 2.
last-member-query-interval interval:
Valid values are from 1 to 5 seconds, and the default value is 1 second.
show ip igmp snooping vlan vlan-id
Show the basic IGMP Snooping configuration in the specified VLAN.
end
Return to privileged EXEC mode.
copy running-config startup-config
Save the settings in the configuration file.
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Specify the interval between general query messages sent by the
Specify the interval between group-specific queries.
IGMP Snooping Configuration
User Guide 226