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Chapter 13
Configuring GVRP
Configuring GVRP Registration
These sections describe how to configure GVRP registration modes on switch ports:
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•
•
Setting GVRP Normal Registration
Configuring an 802.1Q trunk port in normal registration mode allows dynamic creation (if dynamic
VLAN creation is enabled), registration, and deregistration of VLANs on the trunk port. Normal mode
is the default.
To configure GVRP normal registration on an 802.1Q trunk port, perform this task in privileged mode:
Task
Step 1
Configure normal registration on an 802.1Q trunk
port.
Step 2
Verify the configuration.
This example shows how to configure normal registration on an 802.1Q trunk port:
Console> (enable) set gvrp registration normal 1/1
Registrar Administrative Control set to normal on port 1/1.
Console> (enable)
Setting GVRP Fixed Registration
Configuring an 802.1Q trunk port in fixed registration mode allows manual creation and registration of
VLANs, prevents VLAN deregistration, and registers all known VLANs on other ports on the trunk port.
To configure GVRP fixed registration on an 802.1Q trunk port, perform this task in privileged mode:
Task
Step 1
Configure fixed registration on an 802.1Q trunk
port.
Step 2
Verify the configuration.
This example shows how to configure fixed registration on an 802.1Q trunk port:
Console> (enable) set gvrp registration fixed 1/1
Registrar Administrative Control set to fixed on port 1/1.
Console> (enable)
Setting GVRP Forbidden Registration
Configuring an 802.1Q trunk port in forbidden registration mode deregisters all VLANs (except
VLAN 1) and prevents any further VLAN creation or registration on the trunk port.
78-12647-02
Setting GVRP Normal Registration, page 13-5
Setting GVRP Fixed Registration, page 13-5
Setting GVRP Forbidden Registration, page 13-5
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
Command
set gvrp registration normal
mod_num/port_num
show gvrp configuration
Command
set gvrp registration fixed mod_num/port_num
show gvrp configuration
Configuring GVRP
13-5
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