CHAPTER
17-1
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
17
Configuring GVRP
This chapter describes how to configure the Generic Attribute Registration Protocol (GARP) VLAN
Registration Protocol (GVRP) on the Catalyst 6500 series switches.
Note For complete syntax and usage information for the commands that are used in this chapter, refer to the
Catalyst 6500 Series Switch Command Reference publication.
This chapter consists of these sections:
• Understanding How GVRP Works, page 17-1
• Default GVRP Configuration, page 17-2
• GVRP Configuration Guidelines, page 17-2
• Configuring GVRP on the Switch, page 17-2
Note GVRP requires supervisor engine software release 5.2 or later releases. With a Supervisor Engine 720,
the minimum required software release is 8.3(1). With a Supervisor Engine 32, the minimum required
software release is 8.4(1).
Understanding How GVRP Works
GVRP is a GARP application that provides IEEE 802.1Q-compliant VLAN pruning and dynamic VLAN
creation on 802.1Q trunk ports.
With GVRP, the switch can exchange the VLAN configuration information with the other GVRP
switches, prune the unnecessary broadcast and unknown unicast traffic, and dynamically create and
manage the VLANs on the switches that are connected through the 802.1Q trunk ports.
Note GARP and GVRP are industry-standard protocols that are described in IEEE 802.1p.
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