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xStack DGS/DXS-3300 Series Layer 3 Stackable Gigabit Ethernet Switch CLI Manual
140
config igmp_snooping
host_timeout <sec 1-16711450> − Specifies the maximum amount of time
a host can be a member of a multicast group without the Switch receiving
a host membership report. The default is 260 seconds.
router_timeout <sec 1-16711450> − Specifies the maximum amount of
time a route can be a member of a multicast group without the Switch
receiving a host membership report. The default is 260 seconds.
leave_timer <sec 1-16711450> − Leave timer. The default is 2 seconds.
state [enable | disable] − Allows the user to enable or disable IGMP
snooping for the specified VLAN.
fast_leave [enable | disable] – This parameter allows the user to enable
the fast leave function. Enabled, this function will allow members of a
multicast group to leave the group immediately (without the
implementation of the Last Member Query Timer) when an IGMP Leave
Report Packet is received by the Switch.
Restrictions Only administrator-level users can issue this command.
NOTE: The Fast Leave function in the config igmp_snooping command
can only be implemented if IGMP is disabled for all IP interfaces on the
Switch. Configuring this function when IGMP is enabled will produce the
error message “Cannot set Fast leave when IGMP is running” and
consequently will not be implemented.
Example usage:
To configure igmp snooping including fast leave.:
DGS-3324SRi:4#config igmp_snooping default host_timeout 250 state enable
fast_leave enable
Command: config igmp_snooping default host_timeout 250 state enable
fast_leave enable
Success.
DGS-3324SRi:4#
config igmp_snooping querier
Purpose This command configures IGMP snooping querier.
Syntax
config igmp_snooping querier [<vlan_name 32> | all] {query_interval
<sec 1-65535> | max_response_time <sec 1-25> |
robustness_variable <value 1-255> | last_member_query_interval
<sec 1-25> | state [enable | disable]}
Description Used to configure the time in seconds between general query
transmissions, the maximum time in seconds to wait for reports from
members and the permitted packet loss that guarantees IGMP snooping.
Parameters
<vlan_name 32> − The name of the VLAN for which IGMP snooping
querier is to be configured.
all – Selecting this parameter will configure the IGMP snooping querier
for all VLANs on the Switch.
query_interval <sec 1-65535> − Specifies the amount of time in seconds