SMC Networks 6704FMSC Installation Manual page 67

Then, return to VLAN page, you will see the screen as below.
Continue to press ¡ n ¡ n button and the next page VLAN 3 appears
Click the checkbox on Port 1, Module 1.
Remember to click " Apply " button after you finish your setting.
Now, you have finished one Tagging VLAN setting.
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