Inner Vlan Tag Priority Replication Configuration; Configuration Prerequisites; Configuration Procedure; Tpid Adjusting Configuration - 3Com 5500-SI Configuration Manual

Inner VLAN Tag
Priority Replication
Configuration
Configuration
Prerequisites

Configuration procedure

TPID Adjusting
Configuration
Configuration
Prerequisites
Configuration Procedure
Table 106 Configure the VLAN-VPN function for a port (continued)
Operation
Display VLAN VPN
configuration information
about all ports
The VLAN-VPN function is unavailable if the port has any of the protocols among
GVRP, GMRP, XRN, NTDP, STP and 802.1x enabled.
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.
The VLAN-VPN function is enabled.
Table 107 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
Display the VLAN-VPN
configuration information
about all ports
This Section describes how to configure TPID Adjusting.
Before you configure a VLAN-VPN uplink port, make sure that:
The VLAN-VPN function is not enabled.
■
Table 108 Adjust TPID values for VLAN-VPN packets
Operation
Enter system view
Enter Ethernet port view
Set a TPID value for the port vlan-vpn tpid value
Set the port to be a
VLAN-VPN uplink port

Inner VLAN Tag Priority Replication Configuration 119

Command Description
display port vlan-vpn You can execute the display command in any
view.
Command Description
system-view -
interface -
interface-type
interface-number
vlan-vpn Required
inner-cos-trust By default, the inner VLAN tag priority
enable replicating function is disabled. And the priority
of a outer VLAN tag is that of the default priority
of the current port.
display port You can execute the display command in any
vlan-vpn view.
Command Description
system-view -
interface -
interface-type
interface-number
Required
Do not set the TPID value to a value that
conflicts with known protocol type values.
vlan-vpn uplink Optional
enable By default, the VLAN-VPN uplink function is
disabled.