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# Configure Twenty-FiveGigE 1/0/2 as a trunk port, and assign it to VLANs 100 and 3000.
[PE2] interface twenty-fivegige 1/0/2
[PE2-Twenty-FiveGigE1/0/2] port link-type trunk
[PE2-Twenty-FiveGigE1/0/2] port trunk permit vlan 100 3000
3. Configure the devices between PE 1 and PE 2:
# Set the MTU to a minimum of 1504 bytes for each port on the path of QinQ frames. (Details
not shown.)
# Configure all ports on the forwarding path to allow frames from VLANs 100 and 3000 to pass
through without removing the VLAN tag. (Details not shown.)