1-5
z Besides the default TPID 0x8100, you can configure only one TPID value on a Switch 4500
switch.
z For the Switch 4500 series to exchange packets with the public network device properly, you
should configure the TPID value used by the public network device on both the customer-side port
and the service provider-side port.
Configuring the Inner-to-Outer Tag Priority Replicating and Mapping Feature
Make sure that the VLAN-VPN feature is enabled on a port before configuring the inner-to-outer tag
priority replicating and mapping feature.
Follow these steps to configure the inner-to-outer tag priority replicating and mapping feature:
To do... Use the command... Remarks
Enter system view system-view —
Enter Ethernet port view interface interface-type
interface-number —
Enable the inner-to-outer tag
priority replicating feature
vlan-vpn inner-cos-trust
enable
Enable the inner-to-outer tag
priority mapping feature and
create a priority mapping
vlan-vpn priority old-priority
remark new-priority
Either of the two configurations
is required.
By default, neither the
inner-to-outer tag priority
replicating feature nor the
inner-to-outer tag priority
mapping feature is enabled.
z If you have configured the port priority (refer to QoS Configuration part in this manual), you will be
prompted that the port priority configured for the current port gets invalid after you enable the
inner-to-outer tag priority replicating feature.
z The inner-to-outer tag priority replicating feature is mutually exclusive with the inner-to-outer tag
priority mapping feature.
To do... Use the command... Remarks
Display the VLAN-VPN
configurations of all the ports display port vlan-vpn Available in any view