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1 example: dhcp relay for two vlans, Figure 114 dhcp relay for two vlans – ZyXEL Communications ES-2108 Series User Manual

Page 194

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Chapter 25 DHCP

ES-2108 Series User’s Guide

194

25.4.1 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 114 DHCP Relay for Two VLANs

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

Figure 115 DHCP Relay for Two VLANs Configuration Example

DHCP Status

For DHCP relay configuration, this field displays the first remote DHCP server IP
address.

Delete

Select the configuration entries you want to remove and click Delete to remove them.

Cancel Click

Cancel to clear the Delete check boxes.

Table 72 IP Application > DHCP > VLAN (continued)

LABEL

DESCRIPTION

VLAN 1

VLAN 2

DHCP:192.168.1.100

DHCP:172.23.10.100