ProCurve 2610-PWR Technical Information download pdf (Page 102)

Multimedia Traffic Control with IP Multicast (IGMP)

How IGMP Operates

“X” member on that port. If the port does not receive a join request for that

group within the forced-leave interval, the switch then blocks any further

group “X” traffic to the port.

Setting Fast-Leave and Forced Fast-Leave from the CLI

In previous software versions, Fast-Leave and Forced Fast-Leave options for

a port were set exclusively through the MIB

. The following commands now

allow a port to be configured for Fast-Leave or Forced Fast-leave operation

from the CLI. Note that these commands must be executed in a VLAN context

Syntax: [no] ip igmp fastleave <port-list>

Enables IGMP Fast-Leaves on the specified ports in the VLAN

(the default setting). In the Config context, use the VLAN

specifier, for example, vlan < vid > ip igmp fastleave <port-list>.

The “no” form disables Fast-Leave on the specified ports.

[no] ip igmp forcedfastleave <port-list>

Forces IGMP Fast-Leaves on the specified ports in the VLAN,

even if they are cascaded.

To view the IGMP Fast-Leave status of a port use the show running-config or

show configuration commands.

Setting Forced Fast-Leave Using the MIB

Fast-Leave and Forced Fast-Leave options for a port can also be set through

the switch’s MIB (Management Information Base).

Feature Default Settings Function

Forced Fast- 2 1 (enabled) Uses the setmib command to enable or disable

Leave state (disabled)

2 (disabled)

Forced Fast-Leave on individual ports. When

enabled on a port, Forced Fast-Leave operates only

if the switch detects multiple end nodes (and at least

one IGMP client) on that port.

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ProCurve 2610-PWR Technical Information Page 102