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4. Using the Web Interface
2400-A2-GB20-10 December 2002
4-27
GARP/GMRP Port Configuration
GARP (Generic Attribute Registration Protocol) is a protocol that allows a bridge to
receive and propagate declarations from network devices for certain attributes. It
then creates a path between devices. GARP Multicast Registration Protocol
(GMRP) is a Generic Attribute Registration Protocol (GARP) application that
provides a constrained multicast flooding facility similar to IGMP snooping and
CGMP. For protocol operational information, refer to IEEE 802.1p.
GMRP can register and deregister multicast group addresses at the MAC layer
throughout the Layer 2-connected network. GMRP is Layer 3-protocol
independent, which allows it to support the multicast traffic of any Layer 3 protocol
(such as IP, IPX, and so forth).
The
GARP/GMRP Ports option allows you to modify GARP/GMRP parameters per
port.
Figure 4-17. GARP/GMRP Port Configuration
This page displays information about each port’s GARP/GMRP configuration. To
modify a port’s GARP/GMRP parameters, select the desired port from the port
pull-down menu. That port’s information will be displayed in the editable fields on
the web page. You can then modify the following parameters:
All time values should be specified in hundredths of seconds. Click on Apply or
Save to activate your modifications.
Field Description
Join Time Specifies the GARP join time for the port. Join Time should be
chosen such that at least two Join Time periods can occur within the
period of one Leave Time. The valid range for this field is 20–20000.
Leave Time Specifies the GARP leave time for the port. The valid range for this
field is 60–20000.
Leave All Time Specifies the GARP leave all time for the port. Leave All Time should
be larger than Leave Time. The valid range for this field is 1–20000.
GMRP Allows you to Enable or Disable GMRP for the port.