Inner Vlan Tag Priority Replication Configuration; Configuration Prerequisites; Configuration Procedure - Huawei Quidway S3900 Series Operation Manual

Operation Manual – VLAN VPN
Quidway S3900 Series Ethernet Switches-Release 1510
Operation
Display VLAN VPN
configuration
information about
all ports
Note:
After you enable the VLAN-VPN function for a port, you cannot change the attribute of
the port to trunk or hybrid, or enable GVRP, GMRP, IRF, NTDP, or STP function for the
port.
If you use commands to change the attribute of the port or enable GVRP, GMRP,
IRF, NTDP, or STP function for the port, the switch will prompt error.
If you use the copy configuration command to copy the configuration of other port
to the port enabled with VLAN-VPN function, the port attribute configuration and the
feature that GVRP, GMRP, IRF, NTDP, or STP function and the VLAN-VPN
function are mutually exclusive will not be copied.

1.3 Inner VLAN Tag Priority Replication Configuration

You can configure to replicate the tag priority of the inner VLAN tag of a VLAN-VPN
packet to the outer VLAN tag to remain the original tag priority after the packet is
inserted an outer VLAN tag.

1.3.1 Configuration Prerequisites

The VLAN-VPN function is enabled.

1.3.2 Configuration procedure

Table 1-3 Configure to replicate the tag priority of the inner VLAN tag
Operation
Enter system view
Enter Ethernet port
view
Enable the inner
VLAN Tag priority
replication function
Command
display port vlan-vpn
Command
system-view
interface interface-type
interface-number
vlan-vpn inner-cos-trust
enable
Huawei Technologies Proprietary
1-4
Chapter 1 VLAN-VPN Configuration
Description
You can execute the display
command in any view.
Description
—
—
Required
By default, the inner VLAN tag
priority replicating function is
disabled. And the priority of a
outer VLAN tag is that of the
default priority of the current
port.