604 Configuring VLANs
Configuring a Port in General Mode
Beginning in Privileged EXEC mode, use the following commands to 
configure an interface with full 802.1q support and configure the VLAN 
membership information for the interface. 
Command Purpose
configure Enter global configuration mode.
interface 
interface
Enter interface configuration mode for the specified 
interface. The 
interface
 variable includes the interface type 
and number, for example gigabitethernet 1/0/3.
You can also specify a range of interfaces with the interface 
range command, for example, interface range 
gigabitethernet 1/0/8-12 configures interfaces 8, 9, 10, 11, 
and 12.
switchport mode general Configure the interface as an untagged layer 2 VLAN 
interface.
switchport general 
allowed vlan 
[add|remove] 
vlan-list
 
{tagged|untagged}
Configure the VLAN membership for the port. You can 
also use this command to change the egress tagging for 
packets without changing the VLAN assignment.
•
add
 
vlan-list
 — List of VLAN IDs to add. Separate 
nonconsecutive VLAN IDs with a comma and no spaces. 
Use a hyphen to designate a range of IDs. 
(Range: 
1–4093)
•
remove
 vlan-list
 — List of VLAN IDs to remove. Separate 
nonconsecutive VLAN IDs with a comma and no spaces. 
Use a hyphen to designate a range of IDs.
•
tagged
 — Sets the port to transmit tagged packets for the 
VLANs. If the port is added to a VLAN without specifying 
tagged or untagged, the default is untagged.
•
untagged
 — Sets the port to transmit untagged packets 
for the VLANs.
switchport general pvid 
vlan-id
(Optional) Set the port VLAN ID. Untagged traffic that 
enters the switch through this port is tagged with the 
PVID.
vlan-id
 — PVID. The VLAN ID may mot belong to a 
VLAN that does not exist on the switch. (Range: 1–4093)