ZyXEL Communications MES3500 series User Manual page 49

Click the Port link at the top right corner.
5
The DHCP Snooping Port Configure screen appears.
6
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.
Go to Advanced Application > IP Source Guard > DHCP snooping > Configure > VLAN,
7
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
27.1.1.3 on page 218.
Chapter 6 Tutorials
MES3500 Series User's Guide
49
Section