H3C S9500 Series Operating Manual page 16

Operation Manual – QinQ
H3C S9500 Series Routing Switches
# Set Ethernet 3/1/3 to a trunk port and add this port to all the VLANs.
[H3C] interface Ethernet3/1/3
[H3C-Ethernet3/1/3] port link-type trunk
[H3C-Ethernet3/1/3] port trunk permit vlan all
Caution:
STP must be enabled on VLAN-VPN tunneling-enabled devices; otherwise BPDUs
in the customer network cannot be transmitted transparently.
VLAN-VPN-enabled ports must be configured to Access ports. The link type of the
intermediate service provider network must be configured to the Trunk link.
VLAN-VPN tunneling is unavailable to ports with any of the protocols among 802.1x,
GVRP, STP, network topology discovery protocol (NTDP), and GARP multicast
registration protocol (GMRP) enabled.
1-15
Chapter 1 QinQ Configuration