3Com 4210, 5500G, 4200G manual Configuration Procedure, Gvrp Ntdp STP

322CHAPTER 35: VLAN-VPN CONFIGURATION GUIDE

n Only the Switch 5500 supports the configuration of TPID. The Switch 5500G and the Switch 4210 do not support that configuration.

■Configure VLAN-VPN on Switch A and Switch B to enable the PC users and the terminal users to communicate with their respective servers.

Applicable Products

Product series	Software version	Hardware version
Switch 5500	Release V03.02.04	All versions
Switch 5500G	Release V03.02.04	All versions
Switch 4500	Release V03.03.00	All versions
Switch 4210	Release V03.01.00	All versions

Configuration Procedure

n VLAN-VPN is mutually exclusive with each of the following functions

■GVRP

■NTDP

■STP

■802.1x

■MAC authentication

■XRN Fabric

By default, NTDP and STP are enabled on a port. You need to disable the two features using the undo ntdp enable and stp disable commands before enabling VLAN-VPN on the port.

■Configure Switch A

#Enable VLAN-VPN on Ethernet 1/0/11 of Switch A, using the tag of VLAN 1040 as the outer VLAN tag for packets received on the port.

<SwitchA> system-view [SwitchA] vlan 1040

[SwitchA-vlan1040] port Ethernet 1/0/11

[SwitchA-vlan1040] quit

[SwitchA] interface Ethernet 1/0/11 [SwitchA-Ethernet1/0/11] undo ntdp enable

[SwitchA-Ethernet1/0/11] stp disable

[SwitchA-Ethernet1/0/11] vlan-vpn enable

#Set the TPID value of Ethernet 1/0/11 to 0x9200 for intercommunication with the devices in the public network.

[SwitchA-Ethernet1/0/11] vlan-vpn tpid 9200

[SwitchA-Ethernet1/0/11] quit

#Configure Ethernet 1/0/12 as a trunk port that permits tagged packets of VLAN 1040.

[SwitchA] interface Ethernet 1/0/12

[SwitchA-Ethernet1/0/12] port link-type trunk

[SwitchA-Ethernet1/0/12] port trunk permit vlan 1040