Ipv6 Mld Snooping Last-Listener-Query-Count - Cisco catalyst 3750 Command Reference Manual

Chapter 2 Catalyst 3750 Switch Cisco IOS Commands

ipv6 mld snooping last-listener-query-count

Use the ipv6 mld snooping last-listener-query-count global configuration command to configure IP
version 6 (IPv6) Multicast Listener Discovery Mulitcast Address Specific Queries (MASQs) or that will
be sent before aging out a client. Use the no form of this command to reset the query count to the default
settings.
Note This command is available only if you have configured a dual IPv4 and IPv6 Switch Database
Management (SDM) template on the switch.
Syntax Description vlan vlan-id
integer_value
Command Default
The default global count is 2.
The default VLAN count is 0 (the global count is used).
Command Modes
Global configuration
Command History Release
12.2(25)SED
Usage Guidelines
To configure the dual IPv4 and IPv6 template, enter the sdm prefer dual-ipv4-and-ipv6 {default |
vlan} global configuration command and reload the switch.
In MLD snooping, the IPv6 multicast router periodically sends out queries to hosts belonging to the
multicast group. If a host wants to leave a multicast group, it can silently leave or it can respond to the
query with a Multicast Listener Done message (equivalent to an IGMP Leave message). When
Immediate Leave is not configured (which it should not be if multiple clients for a group exist on the
same port), the configured last-listener query count determines the number of MASQs that are sent
before an MLD client is aged out.
When the last-listener query count is set for a VLAN, this count overrides the value configured
globally.When the VLAN count is not configured (set to the default of 0), the global count is used.
VLAN numbers 1002 through 1005 are reserved for Token Ring and FDDI VLANs and cannot be used
in MLD snooping.
OL-8552-07
ipv6 mld snooping [vlan vlan-id] last-listener-query-count integer_value
no ipv6 mld snooping [vlan vlan-id] last-listener-query-count
(Optional) Configure last-listener query count on the specified VLAN. The
VLAN ID range is 1 to 1001 and 1006 to 4094.
The range is 1 to 7.
Modification
This command was introduced.
ipv6 mld snooping last-listener-query-count
Catalyst 3750 Switch Command Reference
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