ZyXEL Communications MES3500-24F User Manual page 64

Chapter 6 Tutorials
Click Advanced Application > PPPoE > Intermediate Agent. Select Active then click Apply.
1
Click Port on the top of the screen.
Select Trusted for ports 11 and 12 and then click Apply.
2
Then Click Intermediate Agent on the top of the screen.
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MES3500-24/24F User's Guide