ZyXEL Communications VES-1616PE-54 Support Notes page 39

of VLAN=20, priority=5 under TPID=9100 before forwarding upwards to the Internet.
For the traffic on the downlink direction, the VES-1616PE-54 shall only untag
VLAN=20, priority=5 under TPID=9100, and let the P-870HW-51aV2 untag the rest,
i.e. VLAN=10, priority=0 under TPID=8100.
1. VLAN Stacking configuration
a. Go to Advanced Application > VLAN Stacking
b. Select the Active box
c. Select the SP TPID to be "0x9100"
d. Select the Role of port 1 to be "Access Port"
e. Input the SPVID of port 1 to be "20"
f. Input the Priority of port 1 to be "5"
g. Select the Role of port 25 to be "Tunnel Port"
h. Click Apply
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