Netgear Switch M4100-12G-POE+ User Manual download pdf (Page 75)

100

101

Switching Commands

ProSafe M4100 and M7100 Managed Switches

GMRP Commands

This section describes the commands you use to configure and view GARP Multicast

Registration Protocol (GMRP) information. Like IGMP snooping, GMRP helps control the

flooding of multicast packets. GMRP-enabled switches dynamically register and deregister

group membership information with the MAC networking devices attached to the same

segment. GMRP also allows group membership information to propagate across all

networking devices in the bridged LAN that support Extended Filtering Services.

Note: If GMRP is disabled, the system does not forward GMRP

messages.

set gmrp adminmode

This command enables GARP Multicast Registration Protocol (GMRP) on the system.

Default

Format set gmrp adminmode

Mode

no set gmrp adminmode

This command disables GARP Multicast Registration Protocol (GMRP) on the system.

Format no set gmrp adminmode

Mode

Leave Timer

The period of time to wait after receiving an unregister request for an attribute before

deleting the attribute. Current attributes are a VLAN or multicast group.

This may be

considered a buffer time for another station to assert registration for the same attribute in

order to maintain uninterrupted service. There is an instance of this timer on a per-Port,

per-GARP participant basis. Permissible values are 20–600 centiseconds (0.2 to 6.0

seconds). The factory default is 60 centiseconds (0.6 seconds).

LeaveAll Timer

This Leave All Time controls how frequently LeaveAll PDUs are generated. A LeaveAll

PDU indicates that all registrations will shortly be deregistered. Participants will need to

rejoin in order to maintain registration.

There is an instance of this timer on a per-Port,

per-GARP participant basis. The Leave All Period Timer is set to a random value in the

range of LeaveAllTime to 1.5*LeaveAllTime. Permissible values are 200–6000

centiseconds (2–60 seconds). The factory default is 1000 centiseconds (10 seconds).

Port GVMRP

Mode

The GVRP administrative mode for the port, which is enabled or disabled (default). If this

parameter is disabled, Join

Time, Leave Time, and Leave All Time have no effect.

disabled

Privileged EXEC

Term Definition

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Netgear Switch M4100-12G-POE+ User Manual Page 75

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