ZyXEL Communications MES-3528 -, Руководство пользователя

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Chapter 31 DHCP
MES-3528 User’s Guide
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The following table describes the labels in this screen.
31.3.3 Global DHCP Relay Configuration Example
The following 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 146 Global DHCP Relay Network Example
Configure the DHCP Relay screen as shown. Make sure you select the Option 82
check box to set the Switch to send additional information (such as the VLAN ID)
Table 91 IP Application > DHCP > Global
LABEL DESCRIPTION
Active Select this check box to enable DHCP relay.
Remote
DHCP
Server 1 .. 3 Enter the IP address of a DHCP server in dotted decimal notation.
Relay Agent
Information Select the Option 82 check box to have the Switch add information (slot
number, port number and VLAN ID) to client DHCP requests that it relays to
a DHCP server.
Information This read-only field displays the system name you configure in the General
Setup screen.
Select the check box for the Switch to add the system name to the client
DHCP requests that it relays to a DHCP server.
Apply Click Apply to save your changes to the Switch’s run-time memory. The
Switch loses these changes if it is turned off or loses power, so use the
Save link on the top navigation panel to save your changes to the non-
volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.
VLAN1
VLAN2
192.168.1.100
DHCP Server: