Displaying Qinq; Qinq Configuration Example - 3Com 7757 Configuration Manual

Displaying QinQ

QinQ Configuration
Example
Table 98 Configure QinQ
Operation
Enter Ethernet port view
Enable QinQ for the port
Configure inner-to-outer
tag priority mapping
n
The Voice VLAN feature is mutually exclusive with the QinQ feature for a port.
When you use the specific command to enable the Voice VLAN feature for a
■
QinQ-enabled port, the switch will prompt errors.
If you use the copy configuration command to duplicate the configuration of
■
a port to a QinQ-enabled port, the Voice VLAN feature is not duplicated.
c
CAUTION: The 3C16863 and 3C16862 I/O Modules do not support the QinQ
feature.
After the configuration above, you can verify QinQ configuration by executing the
display command in any view.
Table 99 Display QinQ configuration
Operation
Display the QinQ configuration
of all the ports
Network requirements
Switch A, Switch B, and Switch C are Switch 7750s.
■
Two networks are connected to the Ethernet2/0/1 ports of Switch A and Switch
■
C.
Switch B only permits the packets of VLAN 10.
■
It is required that packets of the VLANs other than VLAN 10 be exchanged
■
between the networks connected to Switch A and Switch C.
Command
interface interface-type
interface-number
vlan-vpn enable
vlan-vpn priority
inner-priority remark
outer-priority
Command
display port vlan-vpn This command can be executed in
Displaying QinQ
Description
-
Required
By default, QinQ is disabled on a
port.
Optional
Description
any view.
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