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Configuring GVRP
To enable GVRP on individual 802.1Q-capable ports, perform this task in privileged mode:
Task
Step 1
Enable GVRP on an individual 802.1Q-capable
port.
Step 2
Verify the configuration.
This example shows how to enable GVRP on 802.1Q-capable port 1/1:
Console> (enable) set port gvrp enable 1/1
GVRP enabled on 1/1.
Console> (enable)
Enabling GVRP Dynamic VLAN Creation
You can enable GVRP dynamic VLAN creation only if these conditions are met:
•
•
•
Note
Dynamic VLAN creation supports all VLAN types.
If you enable dynamic VLAN creation, these configuration restrictions are imposed:
•
•
If any port on the switch becomes an ISL trunk (either by CLI configuration or negotiated using DTP
while dynamic VLAN creation is enabled), dynamic VLAN creation is automatically disabled until the
conditions for enabling dynamic VLAN creation are restored.
Note
VLANs can only be created dynamically on 802.1Q trunks in the normal registration mode.
To enable GVRP dynamic VLAN creation on the switch, perform this task in privileged mode:
Task
Step 1
Enable dynamic VLAN creation on the switch.
Step 2
Verify the configuration.
This example shows how to enable dynamic VLAN creation on the switch:
Console> (enable) set gvrp dynamic-vlan-creation enable
Dynamic VLAN creation enabled.
Console> (enable)
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
13-4
The switch is in VTP transparent mode
All trunk ports on the switch are 802.1Q trunks
GVRP is enabled on all trunk ports
You cannot change the switch to VTP server or client mode
You cannot disable GVRP on a trunk port running GVRP
Chapter 13
Command
set port gvrp enable mod_num/port_num
show gvrp configuration
Command
set gvrp dynamic-vlan-creation enable
show gvrp configuration
Configuring GVRP
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Troubleshooting
