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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 17 Configuring GVRP
Configuring GVRP on the Switch
To enable GVRP on the individual 802.1Q-capable ports, perform this task in privileged mode:
This example shows how to enable GVRP on 802.1Q-capable port 1/1:
Console> (enable) set port gvrp 1/1 enable
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:
• The switch is in VTP transparent mode
• All the trunk ports on the switch are 802.1Q trunks (the trunk connection to an MSFC is exempt
from this restriction)
• GVRP is enabled on all the trunk ports
If you enable dynamic VLAN creation, these configuration restrictions are imposed:
• You cannot change the switch to VTP server or client mode
• You cannot disable GVRP on a trunk port running GVRP
If any port on the switch becomes an Inter-Switch Link (ISL) trunk (either by CLI configuration or
negotiated using DTP) while dynamic VLAN creation is enabled, dynamic VLAN creation is disabled
automatically until the conditions for enabling dynamic VLAN creation are restored.
Note The VLANs can only be created dynamically on 802.1Q trunks in the normal registration mode.
Note Dynamic VLAN creation supports all VLAN types.
To enable GVRP dynamic VLAN creation on the switch, perform this task in privileged mode:
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)
Task Command
Step 1
Enable GVRP on an individual 802.1Q-capable
port.
set port gvrp mod/port enable
Step 2
Verify the configuration. show gvrp configuration
Task Command
Step 1
Enable dynamic VLAN creation on the switch. set gvrp dynamic-vlan-creation enable
Step 2
Verify the configuration. show gvrp configuration
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