Mvr Immediate-Leave - Edge-Core ES3510MA Management Manual

8-port layer 2 fast ethernet switch

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The following example enables MVR globally, and configures a range of

MVR group addresses:

Console(config)#mvr

Console(config)#mvr group 228.1.23.1 10

Console(config)#

This command causes the switch to immediately remove an interface from

mvr immediate-

a multicast stream as soon as it receives a leave message for that group.

Use the no form to restore the default settings.

Interface Configuration (Ethernet, Port Channel)

The following enables immediate leave on a receiver port.

Console(config)#interface ethernet 1/5

Console(config-if)#mvr immediate

Console(config-if)#

IGMP snooping and MVR share a maximum number of 255 groups. Any

multicast streams received in excess of this limitation will be flooded to

all ports in the associated VLAN.

[no] mvr immediate

Immediate leave applies only to receiver ports. When enabled, the

receiver port is immediately removed from the multicast group

identified in the leave message. When immediate leave is disabled, the

switch follows the standard rules by sending a group-specific query to

the receiver port and waiting for a response to determine if there are

any remaining subscribers for that multicast group before removing the

port from the group list.

Using immediate leave can speed up leave latency, but should only be

enabled on a port attached to one multicast subscriber to avoid

disrupting services to other group members attached to the same

Immediate leave does not apply to multicast groups which have been

statically assigned to a port.

| Multicast Filtering Commands

Multicast VLAN Registration

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