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xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch CLI Reference Guide
555
Parameters
None.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To clear the MLD snooping statistics counters:
DGS-3420-28SC:admin#clear mld_snooping statistics counter
Command: clear mld_snooping statistics counter
Success.
DGS-3420-28SC:admin#
55-10 config mld_snooping querier
Description
This command is used to configure the time, in seconds, between general query transmissions,
the maximum time to wait for reports from listeners, and the permitted packet loss that guarantees
MLD snooping.
Format
config mld_snooping querier [vlan_name <vlan_name 32> | vlanid <vlanid_list> | all]
{query_interval <sec 1-65535> | max_response_time <sec 1-25> | robustness_variable
<value 1-7> | last_listener_query_interval <sec 1-25> | state [enable | disable] | version
<value 1-2>} (1)
Parameters
vlan_name
- Specify the name of the VLAN for which MLD snooping querier is to be configured.
<vlan_name 32> - Specify the VLAN name. The maximum length is 32 characters.
vlanid - Specify the ID of the VLAN for which MLD snooping querier is to be configured.
<vlanid_list> - Specify the VLAN ID list.
all - Specify all VLANs for which MLD snooping querier is to be configured.
query_interval - Specify the amount of time in seconds between general query transmissions.
<sec 1-65535> - Specify the amount of time in seconds between general query transmissions.
The default setting is 125 seconds.
max_response_time
- Specify the maximum time in seconds to wait for reports from members.
<sec 1-25> - Specify the maximum time in seconds to wait for reports from members. The
default setting is 10 seconds.
robustness_variable - Provides fine-tuning to allow for expected packet loss on a subnet. The
value of the robustness variable is used in calculating the following MLD message intervals:
1. Group member interval—Amount of time that must pass before a multicast router
decides there are no more members of a group on a network. This interval is
calculated as follows: (robustness variable x query interval) + (1 x query response
interval).
2. Other querier present interval—Amount of time that must pass before a multicast router