3Com 5500G, 4210, 4200G Configuration Procedure Configure Provide, # Disable NDP on Ethernet 1/0/1

Configuring BPDU Tunnel 325

■Configure the service provider network to transmit NDP packets of the customer network through a BPDU tunnel.

■Enable VLAN-VPN for the service provider network, and enable the service provider network to use VLAN 100 to transmit data packets of the customer network.

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

Configuration Procedure ■ Configure Provide 1.

# Disable NDP on Ethernet 1/0/1.

<3Com> system-view

[3Com] interface Ethernet 1/0/1

[3Com-Ethernet1/0/1] undo ndp enable

# Enable the BPDU tunnel feature for NDP BPDUs on Ethernet 1/0/1.

[3Com-Ethernet1/0/1] bpdu-tunnel ndp

#Enable the VLAN-VPN feature on Ethernet 1/0/1 and use VLAN 100 to tunnel user data packets.

[3Com-Ethernet1/0/1] port access vlan 100

[3Com-Ethernet1/0/1] vlan-vpn enable

# Configure Ethernet 1/0/2 as a trunk port that permits packets of VLAN 100.

[3Com] interface Ethernet 1/0/2

[3Com-Ethernet1/0/2] port link-type trunk

[3Com-Ethernet1/0/2] port trunk permit vlan 100

■Configure Provide 2

# Disable NDP on Ethernet 1/0/4.

<3Com> system-view

[3Com] interface Ethernet 1/0/4

[3Com-Ethernet1/0/4] undo ndp enable

# Enable BPDU tunnel for NDP BPDUs on Ethernet 1/0/4.

[3Com-Ethernet1/0/4] bpdu-tunnel ndp

#Enable the VLAN-VPN feature on Ethernet 1/0/4 and use VLAN 100 to tunnel user data packets.

[3Com-Ethernet1/0/4] port access vlan 100

[3Com-Ethernet1/0/4] vlan-vpn enable

# Configure Ethernet 1/0/3 as a trunk port that permits packets of VLAN 100.