3com 4210 User Manual

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

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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.

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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 

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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.

Switch 5500

Release V03.02.04 

All versions

Switch 5500G

Release V03.02.04 

All versions

Switch 4500

Release V03.03.00 

All versions