Brocade 6910 Ethernet Access Switch Configuration Guide (Supporting R2.2.0.0) - Manual (Page 1169)

Brocade 6910 Ethernet Access Switch Configuration Guide 1113
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Filtering and Throttling IGMP Groups
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:
• 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: 1-1023; Default: 1023)
• 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)
Interface
To configure IGMP filtering or throttling for a port or trunk:
1. Click Multicast, IGMP Snooping, Filter.
2. Select Configure Interface from the Step list.
3. Select a profile to assign to an interface, then set the maximum number of allowed multicast
groups and the throttling response.
4. Click Apply.
FIGURE 388 Configuring IGMP Filtering and Throttling Interface Settings