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xStack
config igmp_snooping
Syntax
Description
Parameters
Restrictions
Example usage:
To configure IGMP snooping:
DGS-3627:admin# config igmp_snooping vlan default state enable
Command: config igmp_snooping vlan default state enable
Success.
DGS-3627:admin#
config igmp_snooping querier
Purpose
Syntax
Description
Parameters
®
DGS-3600 Series Layer 3 Gigabit Ethernet Managed Switch CLI Manual
config igmp_snooping [vlan_name <vlan_name 32> | all] {host_timeout <sec 1-
16711450> | router_timeout <sec 1-16711450> | leave_timer <sec 1-16711450> | state
[enable | disable] | fast_leave [enable | disable] | report_suppression [enable |
disable]}(1)
The config igmp_snooping command configures IGMP snooping on the switch.
Note: A fast leave enabled switch can not be attached to another report suppression enabled
switch's downstream interface. That is, if switch A is attached to switch B's downstream
interface, you can not enable the fast leave feature on switch A and enable report
suppression on switch B simultaneously.
vlan_name - Specify the name of the VLAN for which IGMP snooping is to be configured. All
indicates all VLANs.
host_timeout – Specify the host time-out value here.
router_timeout – Specify the rouer time-out value here.
leave_timer – Specify the leave timer value here.
state - Enable or disable IGMP snooping for the chosen VLAN.
fast_leave - Enable or disable the IGMP snooping fast leave function.
If enabled, the membership is immediately removed when the system receives the IGMP
leave message.
report_suppression - When IGMP report suppression is enabled (the default), the switch
sends the first IGMP report from all hosts for a group to all the multicast routers. The switch
does not send the remaining IGMP reports for the group to the multicast routers.
If the multicast router query includes requests only for IGMPv1 and IGMPv2 reports, the
switch forwards only the first IGMPv1 or IGMPv2 report from all hosts for a group to all the
multicast routers.
If the multicast router query also includes requests for IGMPv3 reports, the switch forwards
all IGMPv3 reports for a group to the multicast devices.
Only Administrator and Operator-level users can issue this command.
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.
config igmp_snooping querier [vlan_name <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]| version <value 1-3> }
This command configures the IGMP snooping querier.
vlan_name - Specify the name of the VLAN for which IGMP snooping querier is to be
configured.
query_interval - Specify the amount of time in seconds between general query transmissions.
The default setting is 125 seconds.
max_reponse_time - Specify the maximum time in seconds to wait for reports from members.
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