Cisco Catalyst 4500 Series - Configuring Ipv6 MLD Snooping; Table

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Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
OL-25340-01
Chapter 26 Configuring IPv6 MLD Snooping
Configuring IPv6 MLD Snooping
configuration command. The default is to send two queries. The switch also generates MLDv1 global
Done messages with valid link-local IPv6 source addresses when the switch becomes the STP root in the
VLAN or when it is configured by the user. This process is similar to that in IGMP snooping.
Configuring IPv6 MLD Snooping
These sections describe how to configure IPv6 MLD snooping:
• Default MLD Snooping Configuration, page 26-5
• MLD Snooping Configuration Guidelines, page 26-6
• Enabling or Disabling MLD Snooping, page 26-6
• Configuring a Static Multicast Group, page 26-7
• Configuring a Multicast Router Port, page 26-7
• Enabling MLD Immediate Leave, page 26-8
• Configuring MLD Snooping Queries, page 26-9
• Disabling MLD Listener Message Suppression, page 26-10
Default MLD Snooping Configuration
Table 26-1 shows the default MLD snooping configuration.
Table 26-1 Default MLD Snooping Configuration
Feature Default Setting
MLD snooping (Global) Disabled.
MLD snooping (per VLAN) Enabled. MLD snooping must be globally enabled for VLAN
MLD snooping to take place.
IPv6 Multicast addresses None configured.
IPv6 Multicast router ports None configured.
MLD snooping Immediate Leave Disabled.
MLD snooping robustness variable Global: 2; per-VLAN: 0.
Note The VLAN value overrides the global setting. When the
VLAN value is 0, the VLAN uses the global count.
Last listener query count Global: 2; per-VLAN: 0.
Note The VLAN value overrides the global setting. When the
VLAN value is 0, the VLAN uses the global count.
Last listener query interval Global: 1000 (1 second); VLAN: 0.
Note The VLAN value overrides the global setting. When the
VLAN value is 0, the VLAN uses the global interval.
TCN query solicit Disabled.
TCN query count 2.
MLD listener suppression Disabled.