Chapter 33 DHCP

The following table describes the labels in this screen.

Table 104 IP Application > DHCP > VLAN

LABEL

DESCRIPTION

VID

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

 

 

DHCP Status

Select whether the Switch should function as a DHCP Server or Relay for the

 

specified VID. If you select Server then fields related to DHCP relay configuration are

 

grayed out and vice versa.

 

 

Server

Use this section if you want to configure the Switch to function as a DHCP server for

 

this VLAN.

 

 

Client IP

Specify the first of the contiguous addresses in the IP address pool.

Pool

 

Starting

 

Address

 

 

 

Size of

Specify the size, or count of the IP address pool. The Switch can issue from 1 to 253

Client IP

IP addresses to DHCP clients.

Pool

 

IP Subnet

Enter the subnet mask for the client IP pool.

Mask

 

 

 

Default

Enter the IP address of the default gateway device.

Gateway

 

 

 

Primary/

Enter the IP addresses of the DNS servers. The DNS servers are passed to the

Secondary

DHCP clients along with the IP address and the subnet mask.

DNS

 

Server

 

 

 

Relay

Use this section if you want to configure the Switch to function as a DHCP relay for

 

this VLAN.

 

 

Remote

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

DHCP

 

Server 1 ..

 

3

 

 

 

Relay

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

Agent

port number and VLAN ID) to client DHCP requests that it relays to a DHCP server.

Information

 

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 Server or Relay for the DHCP mode.

 

 

DHCP Status

For DHCP server configuration, this field displays the starting IP address and the size

 

of the IP address pool.

 

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.

 

 

 

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GS-4012F/4024 User’s Guide