ZyXEL Communications metrogigabit switch manual Tutorial Set the Dhcp Server Port to Trusted

Chapter 6 Tutorials

5 Click the Port link at the top right corner.

6The DHCP Snooping Port Configure screen appears. Select Trusted in the Server Trusted state field for port 5 because the DHCP server is connected to port 5. Keep ports 6 and 7 Untrusted because they are connected to DHCP clients. Click Apply.

Figure 29 Tutorial: Set the DHCP Server Port to Trusted

7Go to Advanced Application > IP Source Guard > DHCP snooping > Configure > VLAN, show VLAN 100 by entering 100 in the Start VID and End VID fields and click Apply. Then select Yes in the Enabled field of the VLAN 100 entry shown at the bottom section of the screen.

If you want to add more information in the DHCP request packets such as source VLAN ID or system name, you can also select the Option82 and Information fields in the entry. See Section 26.1.1.3 on page 271.

Figure 30 Tutorial: Enable DHCP Snooping on this VLAN

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MGS3700-12C User’s Guide