ZyXEL Communications 4728F User Manual
Chapter 41 DHCP
XGS-4526/4528F/4728F User’s Guide
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41.5.1 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.
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 191 DHCP Relay for Two VLANs
VLAN 1
VLAN 2
DHCP:192.168.1.100
DHCP:172.23.10.100