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tagged with the tag of VLAN 2000 as the outer VLAN tag on Ethernet1/2.
Steps of configuration:
# Create VLAN 1000 and VLAN 2000 on SwitchA.
switch(config)#vlan 1000;2000
# Configure Ethernet1/1 as a hybrid port and configure it to remove VLAN tags when
forwarding packets of VLAN 1000.
switch(config-if-ethernet1/1)#switchport hybrid allowed vlan 1000 untag
# Configure the mapping rules for selective QinQ on Ehernet1/1 to insert VLAN 1000 tag as
the outer VLAN tag in packets with the tags of VLAN 100 through VLAN 200.
switch(config-if-ethernet1/1)#dot1q-tunnel selective s-vlan 1000 c-vlan 100-200
# Enable selective QinQ on Ethernet1/1.
switch(config-if-ethernet1/1)#dot1q-tunnel selective enable
# Configure Ethernet 1/2 as a hybrid port and configure it to remove VLAN tags when
forwarding packets of VLAN 2000.
switch(config-if-ethernet1/2)#switchport mode hybrid
switch(config-if-ethernet1/2)#switchport hybrid allowed vlan 2000 untag
# Configure mapping rules for selective QinQ on Ehernet1/2 to insert VLAN 2000 tag as the
outer VLAN tag in packets with the tags of VLAN 201 through VLAN 300.
switch(config-if-ethernet1/2)#dot1q-tunnel selective s-vlan 2000 c-vlan 201-300
# Enable selective QinQ on Ethernet 1/2.
switch(config-if-ethernet1/2)#dot1q-tunnel selective enable
# Configure uplink port Ethernet 1/9 as a hybrid port and configure it to save VLAN tags when
forwarding packets of VLAN 1000 and VLAN 2000.
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Troubleshooting
