ZyXEL Communications XGS-4728F - Manual (Page 66)

Chapter 6 Tutorials
XGS-4728F User’s Guide
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The 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 28 Tutorial: Set the DHCP Server Port to Trusted
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Go 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 233 .
Figure 29 Tutorial: Enable DHCP Snooping on this VLAN
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Click Save at the top right corner of the web
configurator to save the configuration permanently.