Configuring Ipv6 Mld Snooping - Cisco Catalyst 4500 Series Software Configuration Manual

Chapter 29 Configuring IPv6 Multicast Listener Discovery 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:
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Default MLD Snooping Configuration
Table 29-1
Table 29-1
Feature
MLD snooping (Global)
MLD snooping (per VLAN)
IPv6 Multicast addresses
IPv6 Multicast router ports
MLD snooping Immediate Leave
MLD snooping robustness variable
Last listener query count
Last listener query interval
TCN query solicit
TCN query count
MLD listener suppression
Default MLD Snooping Configuration, page 29-5
MLD Snooping Configuration Guidelines, page 29-6
Enabling or Disabling MLD Snooping, page 29-6
Configuring a Static Multicast Group, page 29-7
Configuring a Multicast Router Port, page 29-7
Enabling MLD Immediate Leave, page 29-8
Configuring MLD Snooping Queries, page 29-9
Disabling MLD Listener Message Suppression, page 29-10
shows the default MLD snooping configuration.
Default MLD Snooping Configuration
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Default Setting
Disabled.
Enabled. MLD snooping must be globally enabled for VLAN
MLD snooping to take place.
None configured.
None configured.
Disabled.
Global: 2; per-VLAN: 0.
The VLAN value overrides the global setting. When the
Note
VLAN value is 0, the VLAN uses the global count.
Global: 2; per-VLAN: 0.
The VLAN value overrides the global setting. When the
Note
VLAN value is 0, the VLAN uses the global count.
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.
Disabled.
2.
Disabled.
Configuring IPv6 MLD Snooping
29-5