Multicast
IPv6 Multicast Configuration
278 Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
15
NOTE Changes in MLD Snooping timers configuration, such as: Query Robustness, Query Interval
etc. do not take effect on timers which already created.
MLD Interface Settings
An interface that is defined as a Multicast router port receives all MLD packets (reports and
queries) as well as all Multicast data.
To configure an interface as a Multicast router interface:
STEP 1 Click Multicast > IPv6 Multicast Configuration > MLD Interface Settings.
The following fields are displayed for each interface on which MLD is enabled:
• Router MLD Version—MLD version of the Multicast router.
• Query Robustness—Enter the number of expected packet losses on a link.
• Query Interval (sec)—Interval between the general queries to be used if this device is
the elected querier.
• Query Max Response Interval (sec)—Delay used to calculate the Maximum
Response Code inserted into the periodic general queries.
• Last Member Query Interval (msec)—Maximum Response Delay to be used if the
device cannot read Max Response Time value from group-specific queries sent by the
elected querier.
• Multicast TTL Threshold—Enter the Time-to-Live (TTL) threshold of packets being
forwarded on an interface.
Multicast packets with a TTL value less than the threshold are not forwarded on the
interface.
The default value of 0 means all Multicast packets are forwarded on the interface.
A value of 256 means that no Multicast packets are forwarded on the interface.
Configure the TTL threshold only on border routers. Conversely, routers on which you
configure a TTL threshold value automatically become border routers.
STEP 2 To configure an interface, select it and click Edit. Enter the fields that are described above.
STEP 3 Click Apply. The Running Configuration file is updated.
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