Chapter 32 DHCP

The following table describes the labels in this screen.

Table 97 IP Application > DHCP > Global

LABEL

DESCRIPTION

Active

Select this check box to enable DHCP relay.

 

 

Remote

Enter the IP address of a DHCP server in dotted decimal notation.

DHCP

 

Server 1 .. 3

 

 

 

Relay Agent

Select the Option 82 check box to have the Switch add information (slot

Information

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.

 

 

32.3.3 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 158 Global DHCP Relay Network Example

DHCP Server: 192.168.1.100

VLAN1VLAN2

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)

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MGS-3712/MGS-3712F User’s Guide