Cabletron Systems 802.1Q - Manual (Page 18)

Chapter 1: Virtual Local Area Networks
1-6 802.1Q VLAN User’s Guide
1D Trunk
A connection from a switch that passes only untagged traffic. By default,
a port designated as a 1D Trunk port has all VLANs on its Port VLAN
List and is configured to transmit all frames as untagged frames.
Generic Attribute Registration Protocol (GARP)
GARP is a protocol used to propagate state information throughout a
switched network.
GARP VLAN Registration Protocol (GVRP)
A GARP application used to dynamically create VLANs across a
switched network.
GARP Multicast Registration Protocol (GMRP)
A GARP application that functions in a similar fashion as GVRP, except
that GMRP registers multicast addresses on ports to control the flooding
of multicast frames.