270
25.1.15 ipv6 mld snooping vlan
suppression-query-time
Command: ipv6 mld snooping vlan <vlan-id> suppression-query-time <value>
no ipv6 mld snooping vlan <vlan-id> suppression-query-time
Function: Configure the suppression query time; the ―no‖ form of this command restores
the default value.
Parameter: vlan-id: VLAN ID, valid range: <1-4094>
value: valid range: <1-65535>secs.
Command Mode: Global Mode
Default: 255s
Usage Guide: This command can only be configured on L2 general querier. The
Suppression-query-time represents the period the suppression state maintains when
general querier receives queries from layer 3 MLD within the segment. To use this
command, the query-intervals in different switches within the same segment must be in
accordance. It is recommended to use the default value.
Example:
Switch(config)#ipv6 mld snooping vlan 2 suppression-query-time 270
25.1.16 show ipv6 mld snooping
Command: show ipv6 mld snooping [vlan <vlan-id>]
Parameter: <vlan-id> is the number of VLAN specified to display the MLD Snooping
messages
Command Mode: Admin Mode
Usage Guide: If no VLAN number is specified, it will show whether the global MLD
snooping is enabled and layer 3 multicast protocol is running, as well as on which VLAN
the MLD Snooping is enabled and configured l2-general-querier. If a VLAN number is
specified, the detailed MLD Snooping messages of this VLAN will be displayed.
Example:
1. Summary of the switch MLD snooping
Switch(config)#show ipv6 mld snooping
Global mld snooping status: Enabled
L3 multicasting: running
Mld snooping is turned on for vlan 1(querier)
Mld snooping is turned on for vlan 2
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