9-5
Cisco ONS 15454 and Cisco ONS 15454 SDH Ethernet Card Software Feature and Configuration Guide, R8.0
Chapter 9 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling
IEEE 802.1Q Example
Note
The VLAN ID (VID) range of 2 to 4095 is recommended for IEEE 802.1Q tunneling on the ML-Series
card.
Note
If VID 1 is required to be used as a metro tag, use the following command:
Router (config)# VLAN dot1Q tag native
Use the no mode dot1q-tunnel interface configuration command to remove the IEEE 802.1Q tunnel
from the interface.
IEEE 802.1Q Example
The following examples show how to configure the example in Figure 9-1 on page 9-2. Example 9-1
applies to Router A, and Example 9-2 applies to Router B.
Example 9-1 Router A Configuration
bridge 30 protocol ieee
bridge 40 protocol ieee
!
!
interface FastEthernet0
no ip routing
no ip address
mode dot1q-tunnel
bridge-group 30
!
interface FastEthernet1
no ip address
mode dot1q-tunnel
bridge-group 40
!
interface POS0
no ip address
crc 32
pos flag c2 1
!
interface POS0.1
encapsulation dot1Q 30
bridge-group 30
Step 4
Router(config-if)# bridge-group
number
Assigns the tunnel port to a bridge-group. All traffic from the port
(tagged and untagged) will be switched based on this bridge-group.
Other members of the bridge-group should be VLAN subinterfaces on
a provider trunk interface.
Step 5
Router(config-if)# mode dot1q-tunnel
Sets the interface as an IEEE 802.1Q tunnel port.
Step 6
Router(config)# end
Returns to privileged EXEC mode.
Step 7
Router# show dot1q-tunnel
Displays the tunnel ports on the switch.
Step 8
Router# copy running-config
startup-config
(Optional) Saves your entries in the configuration file.
Command Purpose
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