user manual

PurposeCommand or Action
Example:
Switch(config-if)# switchport mode
Use the no switchport mode dot1q-tunnel interface
configuration command to return the port to the default
state of dynamic desirable.
Note
dot1q-tunnel
Returns to privileged EXEC mode.exit
Step 5
Example:
Switch(config-if)# exit
(Optional) Sets the switch to enable tagging of native VLAN packets
on all IEEE 802.1Q trunk ports. When not set, and a customer
vlan dot1q tag native
Example:
Switch(config)# vlan dot1q tag native
Step 6
VLAN ID is the same as the native VLAN, the trunk port does not
apply a metro tag, and packets could be sent to the wrong
destination.
Use the no vlan dot1q tag native global configuration
command to disable tagging of native VLAN packets.
Note
Returns to privileged EXEC mode.end
Example:
Switch(config)# end
Step 7
Displays the ports configured for IEEE 802.1Q tunneling.Use one of the following:
Step 8
Displays the ports that are in tunnel mode.
•
show dot1q-tunnel
•
show running-config interface
Example:
Switch# show dot1q-tunnel
or
Switch# show running-config interface
Displays IEEE 802.1Q native VLAN tagging status.show vlan dot1q tag native
Step 9
Example:
Switch# show vlan dot1q native
Catalyst 2960-XR Switch VLAN Configuration Guide, Cisco IOS Release 15.0(2)EX1
134 OL-29440-01
Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling
Configuring an IEEE 802.1Q Tunneling Port