Administrator Guide

Layer 2 Switching Commands 463
This ensures that the networking device receives multicast frames from all
ports but forwards them through only those ports for which GMRP has
created Group registration entry (for that multicast address). Registration
entries created by GMRP ensures that frames are not transmitted on LAN
segments which neither have registered GMRP participants nor are in the
path through the active topology between the sources of the frames and the
registered group members.
NOTE: This feature is not available on the N3000 when loaded with the
AGGREGATION ROUTER enabled firmware (e.g., N3000_BGPvA.B.C.D.stk).
Commands in this Section
This section explains the following commands:
gmrp enable
Use the gmrp enable command in Global Configuration mode to enable
GMRP globally or Interface Configuration mode to enable GMRP on a port.
Syntax
gmrp enable
no gmrp enable
Default Configuration
GMRP is disabled by default.
Command Mode
Global Configuration and Interface Configuration modes
User Guidelines
IGMP snooping is incompatible with GMRP and must be disabled on any
VLANs running GMRP.
gmrp enable show gmrp configuration
clear gmrp statistics
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