How To Use Dhcp Relay On The Switch - ZyXEL Communications GS1910 User Manual

Chapter 5 Tutorials
Click Configuration > Security > Network > IP Source Guard > Configuration and enable IP
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source guard on the Switch and on ports 6 and 7. Set the maximum number of DHCP clients to
learn dynamically on ports 6 and 7. Click Save.
Go to Monitor > Security > Network > IP Source Guard to look at the current dynamic
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bindings for DHCP snooping. You should see an IP binding for port 6 or 7 in VLAN 100.

5.8 How to Use DHCP Relay on the Switch

If the DHCP clients and the DHCP server are not in the same broadcast domain, the Switch can help
to relay network information (such as the IP address and subnet mask) between a DHCP client and
a DHCP server. This tutorial describes how to configure your Switch to forward DHCP client requests
to a specific DHCP server. The DHCP server can then assign a specific IP address based on the
information in the DHCP requests.
In this example, you have configured your DHCP server (192.168.2.3) and want to have it assign a
specific IP address (say 172.16.1.18) and gateway information to DHCP client A based on the slot
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GS1910/XGS1910 Series User's Guide