Configure Dhcpv4 Relay; Troubleshooting - ZyXEL Communications GS1920v2 Series User Manual

Click Apply to save your changes back to the run-time memory.
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10 Click the Save link in the upper right of the Web Configurator to save your configuration permanently.

6.3.3 Configure DHCPv4 Relay

Follow the steps below to enable DHCP relay on the Switch and allow the Switch to add relay agent
information (such as the VLAN ID) to DHCP requests.
Click NETWORKING > DHCP > DHCPv4 Relay > DHCP Smart Relay. Enable the Active switch button.
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Enter the DHCP server's IP address (192.168.2.3 in this example) in the Remote DHCP Server 1 field.
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Select default1 or default2 in the Option 82 Profile field.
3
Click Apply to save your changes back to the run-time memory.
4
Click the Save link in the upper right of the Web Configurator to save your configuration permanently.
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The DHCP server can then assign a specific IP address based on the DHCP request.
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6.3.4 Troubleshooting

Check client A's IP address. If it did not receive the IP address 172.16.1.18, make sure:
Client A is connected to the Switch's port 2 in VLAN 102.
1
You configured the correct VLAN ID, port number and system name for DHCP relay on both the DHCP
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server and the Switch.
You clicked the Save link on the Switch to have your settings take effect.
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Chapter 6 Tutorials
GS1920v2 Series User's Guide
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