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1 example: dhcp relay for two vlans – ZyXEL Communications GS-4012 User Manual

Page 266

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Chapter 33 DHCP

GS-4012F/4024 User’s Guide

266

33.5.1 Example: DHCP Relay for Two VLANs

The following example displays two VLANs (VIDs 1 and 2) for a campus network. Two
DHCP servers are installed to serve each VLAN. The system is set up to forward DHCP
requests from the dormitory rooms (VLAN 1) to the DHCP server with an IP address of
192.168.1.100. Requests from the academic buildings (VLAN 2) are sent to the other DHCP
server with an IP address of 172.23.10.100.

Figure 150 DHCP Relay for Two VLANs

For the example network, configure the VLAN Setting screen as shown.

Figure 151 DHCP Relay for Two VLANs Configuration Example

VLAN 1

VLAN 2

DHCP:192.168.1.100

DHCP:172.23.10.100