Users Guide

Table Of Contents
1592 IPv4 and IPv6 Multicast
Configuring and Viewing MLD
Use the following commands to configure MLD on the switch and on VLAN
routing interfaces and to view IGMP information.
Command Purpose
configure Enter global configuration mode.
ip multicast-routing Enable IPv4/IPv6 multicast routing.
ipv6 pim sparse-mode Enable PIM/MLD on the switch.
interface vlan vlan-id Enter Interface Configuration mode for the
specified VLAN.
ipv6 mld version version Set the version of MLD for an interface.
The version variable can be 1 or 2.
ipv6 mld query-interval seconds Configure the query interval for the specified
interface. The query interval determines how fast
MLD Host-Query packets are transmitted on this
interface.
The range for seconds is 0–3600 seconds.
ipv6 mld query-max-response-
time seconds
Configure the maximum response time interval
for the specified interface. It is the maximum
query response time advertised in MLD queries
on this interface.
The range for seconds is 0–25 seconds.
ipv6 mld last-member-query-
interval tenthsofseconds
Set the last member query interval for the MLD
interface, which is the value of the maximum
response time parameter in the group-specific
queries sent out of this interface.
The range is 0–65535 milliseconds.
ipv6 mld last-member-query-
count count
Set the number of listener-specific queries sent
before the router assumes that there are no local
members on the interface.
The range for count is 1–20.
CTRL + Z Exit to Privileged Exec mode.
show ipv6 mld interface [vlan
vlan-id]
View MLD information for all interfaces or for
the specified interface.