ZyXEL Communications GS1920 User Handbook Manual page 72

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7. Input the RADIUS server's IP address and set the shared secret as "12345"
Figure 7, Advance Application > AAA > RADIUS Server Setup
8. Check Dot1x under the Authorization section
Figure 8, Advance Application > AAA > AAA Setup
9. Activate Port Authentication on the port connected to Host
Figure 9, Advance Application > Port Authentication > 802.1x
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