C
HAPTER
15
| Multicast Filtering
Filtering and Throttling IGMP Groups
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CONFIGURING IGMP
FILTERING AND
THROTTLING FOR
INTERFACES
Use the Multicast > IGMP Snooping > Configure Interface page to assign
and IGMP filter profile to interfaces on the switch, or to throttle multicast
traffic by limiting the maximum number of multicast groups an interface
can join at the same time.
CLI REFERENCES
◆ "IGMP Filtering and Throttling" on page 923
COMMAND USAGE
◆ IGMP throttling sets a maximum number of multicast groups that a port
can join at the same time. When the maximum number of groups is
reached on a port, the switch can take one of two actions; either “deny”
or “replace.” If the action is set to deny, any new IGMP join reports will
be dropped. If the action is set to replace, the switch randomly
removes an existing group and replaces it with the new multicast
group.
PARAMETERS
These parameters are displayed in the web interface:
◆ Interface – Port or trunk identifier.
An IGMP profile or throttling setting can be applied to a port or trunk.
When ports are configured as trunk members, the trunk uses the
settings applied to the first port member in the trunk.
◆ Profile ID – Selects an existing profile to assign to an interface.
◆ Max Multicast Groups – Sets the maximum number of multicast
groups an interface can join at the same time. (Range: 1-1024;
Default: 1024)
◆ Current Multicast Groups – Displays the current multicast groups the
interface has joined.
◆ Throttling Action Mode – Sets the action to take when the maximum
number of multicast groups for the interface has been exceeded.
(Default: Deny)
■
Deny - The new multicast group join report is dropped.
■
Replace - The new multicast group replaces an existing group.
◆ Throttling Status – Indicates if the throttling action has been
implemented on the interface. (Options: True or False)
WEB INTERFACE
To configure IGMP filtering or throttling for a port or trunk:
1. Click Multicast, IGMP Snooping, Filtering.
2. Select Configure Interface from the Action list.
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