ZyXEL Communications MGS-3712F User Manual page 48

Chapter 4 Tutorials
Click the Port link at the top right corner.
5
The DHCP Snooping Port Configure screen appears. Select Trusted in the
6
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 23
Go to Advanced Application > IP Source Guard > DHCP snooping >
7
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
Figure 24 Tutorial: Enable DHCP Snooping on this VLAN
48
Tutorial: Set the DHCP Server Port to Trusted
Section 26.1.1.3 on page 237.
MGS-3712/MGS-3712F User's Guide