SMC Networks TigerAccess SMC7816M - Manual (Page 362)

VLAN C
ONFIGURATION
13-32
CLI – This example configures the switch to copy the priority bits from
the inner to outer VLAN tag, it then sets port 2 to tunnel mode, and
indicates that the TPID used for 802.1Q tagged frames will be 9100
hexadecimal.
Console(config)#qinq priority map 32-26
Console(config)#interface ethernet 1/2 25-2
Console(config-if)#switchport mode dot1q-tunnel 32-27
Console(config-if)#switchport dot1q-ethertype 9100 32-29
Console(config-if)#exit
Console#show dot1q-tunnel
32-28
dot1q tunnel port:
ethernet
1/2
port channel
Console#