2 dot1q-tunnel configuration, 1 introduction to dot1q-tunnel, Tunnel – PLANET WGSW-52040 User Manual

Page 158: Onfiguration, 1 introduction to dot1q-tunnel -80

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Switch(config)#vlan 10

Switch(Config-Vlan10)#switchport interface ethernet 1/10

Switch B:

Switch(config)#vlan 7;9;10

Switch(config)#interface ethernet 1/7

Switch(Config-If-Ethernet1/7)#switchport mode hybrid

Switch(Config-If-Ethernet1/7)#switchport hybrid native vlan 7

Switch(Config-If-Ethernet1/7)#switchport hybrid allowed vlan 7;10 untag

Switch(Config-If-Ethernet1/7)#exit

Switch(Config)#interface Ethernet 1/9

Switch(Config-If-Ethernet1/9)#switchport mode hybrid

Switch(Config-If-Ethernet1/9)#switchport hybrid native vlan 9

Switch(Config-If-Ethernet1/9)#switchport hybrid allowed vlan 9;10 untag

Switch(Config-If-Ethernet1/9)#exit

Switch(Config)#interface Ethernet 1/10

Switch(Config-If-Ethernet1/10)#switchport mode hybrid

Switch(Config-If-Ethernet1/10)#switchport hybrid native vlan 10

Switch(Config-If-Ethernet1/10)#switchport hybrid allowed vlan 7;9;10 untag

Switch(Config-If-Ethernet1/10)#exit

20.2 Dot1q-tunnel Configuration

20.2.1 Introduction to Dot1q-tunnel

Dot1q-tunnel is also called QinQ (802.1Q-in-802.1Q), which is an expansion of 802.1Q. Its

dominating idea is encapsulating the customer VLAN tag (CVLAN tag) to the service provider

VLAN tag (SPVLAN tag). Carrying the two VLAN tags the packet is transmitted through the

backbone network of the ISP internet, so to provide a simple layer-2 tunnel for the users. It is

simple and easy to manage, applicable only by static configuration, and especially adaptive to

small office network or small scale metropolitan area network using layer-3 switch as

backbone equipment.

20-80

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