3com 8807 Reference Guide

# Set the TPID value to 0x9100.

[SW8800] vlan-vpn tpid 9100 

# Restore the default TPID value (0x8100).

[SW8800] undo vlan-vpn tpid 

System view

None

Use the vlan-vpn tunnel command to enable VLAN-VPN tunnel.

Use the undo vlan-vpn tunnel command to disable VLAN-VPN tunnel.

VLAN-VPN tunnel enables user networks in different regions to transmit BPDU 
packets transparently through VLAN VPN designated in the operator’s network.

This function is disabled by default.

# Enable VLAN-VPN tunnel.note2

<SW8800>system-view 

 

[SW8800] vlan-vpn tunnel 

Ethernet port view

None

LACP 

0x8809 

802.1x 

0x888E

Table 155   Common protocol type values of an Ethernet frame