Инструкция для ZYXEL GS3700-48

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Chapter 38 DHCP

GS3700/XGS3700 Series User’s Guide

320

38.4.5 Global DHCP Relay Configuration Example

The follow figure shows a network example where the Switch is used to relay DHCP requests for the
VLAN1 and VLAN2 domains. There is only one DHCP server that services the DHCP clients in both
domains.

Figure 212

Global DHCP Relay Network Example

Configure the DHCP Relay screen as shown. Make sure you select a DHCP option 82 profile
(default1 in this example) to set the Switch to send additional information (such as the VLAN ID)
together with the DHCP requests to the DHCP server. This allows the DHCP server to assign the
appropriate IP address according to the VLAN ID.

Figure 213

DHCP Relay Configuration Example

Profile Name

This field displays the DHCP option 82 profile that the Switch applies to the port(s).

Delete

Select the entry(ies) that you want to remove in the Delete column, then click the
Delete button to remove the selected entry(ies) from the table.

Cancel

Click this to clear the Delete check boxes above.

Table 171

IP Application > DHCP > DHCPv4 > Global > Port (continued)

LABEL

DESCRIPTION

VLAN1

VLAN2

192.168.1.100

DHCP Server:

EXAMPLE