ZyXEL Communications Plumbing Product metrogigabit switch User Manual

Chapter 37 DHCP

MGS3700-12C User’s Guide

The following table describes the labels in this screen. 

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 

Table 121   IP Application > DHCP > VLAN 

VID

Enter the ID number of the VLAN to which these DHCP settings apply. 

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.

Add

Click Add 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.

Clear

Click this to clear the fields above. 

VID

This field displays the ID number of the VLAN group to which this DHCP 
settings apply. 

Type 

This field displays the DHCP mode (Relay). 

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.