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DES-7200 Configuration Guide Chapter 9 MLD Snooping Configuration
9-8
9.2.5 Configuring the Aging Timer for the Dynamic Route Port
If the dynamic route port has not received MLD group-general query message or
IPv6 PIM Hello message before its aging time is out, the switch will delete the port
from the list of router ports.
To configure the aging timer for the dynamic route port, run the following
command:
Command Function
DES-7200(config)# ipv6 mld
snooping dyn-mr-aging-time time
Configure the aging timer for dynamic
route port
time: the valid range is 1-3600, and
the default value is 300s.
Use the no IPv6 MLD Snooping dyn-mr-aging-time command to restore the
aging time for the dynamic route port to the default value.
The following example shows how to set the aging time for the dynamic route port
as 100s:
DES-7200# configure terminal
DES-7200(config)# ipv6 mld snooping dyn-mr-aging-time 100
9.2.6 Configuring Max-response-time for MLD Query Message
After receiving MLD group-general query message, layer-2 multicast equipment
will enable respective aging timers of all listener ports and timer is set at
max-response-time. When the timer value is reduced to "0", it is considered that
there is no longer any listener of the port receiving multicast stream. And layer-2
multicast equipment will delete the port from MLD Snooping forwarding-table.
After receiving MLD group-specific query message, layer-2 multicast equipment
will enable respective aging timers of all listener ports in the specific group and
timer is set at max-response-time. When the timer value is reduced to "0", it is
considered that there is no longer any listener of the port receiving multicast
stream. And layer-2 multicast equipment will delete the port from MLD Snooping
forwarding-table.
As for MLD group-specific source query message, timers will not be updated.
Command Function
DES-7200(config)# ipv6 mld
snooping
query-max-response-time time
Configure MLD group-general and
group-specific query max-response-time
within the range of 1-65535, and the
default value is 10s.
The following example shows how to set the max-response-time for the MLD
query message as 15s:
DES-7200# configure terminal
DES-7200(config)# ipv6 mld snooping query-max-response-time 15
9.2.7 Configuring Router port
By default, you may enable the dynamic router port learning in a VLAN for the
layer-2 multicast device. Use the no form of this command to disable dynamic
learning and clear all dynamically-learned router port.
You may also configure the switch port as a static router port so that all IPv6
multicast data received by the switch may be transmitted through this port.