Planet XGS3-24042 - Dot1 Q-Tunnel Troubleshooting

15-13
network.
Configuration Item
Configuration Explanation
VLAN3
Port1 of PE1 and PE2.
dot1q-tunnel
Port1 of PE1 and PE2.
tpid
9100
Configuration procedure is as follows:
PE1:
Switch(config)#vlan 3
Switch(Config-Vlan3)#switchport interface ethernet 1/0/1
Switch(Config-Vlan3)#exit
Switch(Config)#interface ethernet 1/0/1
Switch(Config-Ethernet1/0/1)# dot1q-tunnel enable
Switch(Config-Ethernet1/0/1)# exit
Switch(Config)#interface ethernet 1/0/1
Switch(Config-Ethernet1/0/1)#switchport mode trunk
Switch(Config-Ethernet1/0/1)#dot1q-tunnel tpid 0x9100
Switch(Config-Ethernet1/0/1)#exit
Switch(Config)#
PE2:
Switch(config)#vlan 3
Switch(Config-Vlan3)#switchport interface ethernet 1/0/1
Switch(Config-Vlan3)#exit
Switch(Config)#interface ethernet 1/0/1
Switch(Config-Ethernet1/0/1)# dot1q-tunnel enable
Switch(Config-Ethernet1/0/1)# exit
Switch(Config)#interface ethernet 1/0/1
Switch(Config-Ethernet1/0/1)#switchport mode trunk
Switch(Config-Ethernet1/0/1)#dot1q-tunnel tpid 0x9100
Switch(Config-Ethernet1/0/1)#exit
Switch(Config)#
15.3.4 Dot1q-tunnel Troubleshooting
 Enabling dot1q-tunnel on Trunk port will make the tag of the data packet unpredictable which is not
required in the application. So it is not recommended to enable dot1q-tunnel on Trunk port.
 Enabled with STP/MSTP is not supported.
 Enabled with PVLAN is not supported.