Switching Commands
70
ProSAFE 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.
no set gmrp adminmode
This command disables GARP Multicast Registration Protocol (GMRP) on the system.
set gmrp interfacemode
This command enables GARP Multicast Registration Protocol on a single interface (Interface
Config mode) or all interfaces (Global Config mode). If an interface which has GARP enabled is
enabled for routing or is enlisted as a member of a port-channel (LAG), GARP functionality is
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
par
ame
ter is disabled, Join Time, Leave Time, and Leave All Time have no effect.
Default disabled
Format set gmrp adminmode
Mode Privileged EXEC
Format no set gmrp adminmode
Mode Privileged EXEC
Term Definition
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