User's Manual

15-22
 The user network is considerably independent. When the ISP internet is upgrading their network, the
user networks do not have to change their original configuration.
Detailed description on the application and configuration of dot1q-tunnel will be provided in this section.
15.3.2 Dot1q-tunnel Configuration
Configuration Task Sequence of Dot1q-Tunnel:
1. Configure the dot1q-tunnel function on port
2. Configure the protocol type (TPID) on port
1. Configure the dot1q-tunnel function on the ports
Command
Explanation
Port mode
dot1q-tunnel enable
no dot1q-tunnel enable
Enter/exit the dot1q-tunnel mode on the
ports.
2. Configure the type of protocol (TPID) on the ports
Command
Explanation
Port mode
dot1q-tunnel tpid
{0x8100|0x9100|0x9200|<1-65535>}
Configure the type of protocol on TRUNK
port.
15.3.3 Typical Applications of the Dot1q-tunnel
Scenario:
Edge switch PE1 and PE2 of the ISP internet forward the VLAN200~300 data between CE1 and CE2 of the
client network with VLAN3. The port1 of PE1 is connected to CE1, port10 is connected to public network, the
TPID of the connected equipment is 9100; port1 of PE2 is connected to CE2, port10 is connected to public
network.
Configuration Item
Configuration Explanation
VLAN3
Port1 of PE1 and PE2.
dot1q-tunnel
Port1 of PE1 and PE2.
tpid
9100