Online help (DHCPOpt)

Installation

The archive file is compressed in zip format.

Please make a suitable folder, and place all files in the folder you created with the same folder structure.

File organization

dhcpopt.exe

"DHCPOpt" Application file.



Uninstallation

Please delete each folder where the application exists.



Menu description


File

Load DHCP Setting File

Load the contents of the file saved in the [Save DHCP Setting File] menu.

Save DHCP Setting File

Save the DHCP option, IP address range of lease, and access restriction settings.

Setting

Make application settings for the application.

Exit

Exit the application.


Help

Help Topics

Open the online help page.

Choose Language

Select the display language of the application as "English" or "Japanese".
The display language will be switched after the next application is started.

About DHCPOpt ...

Displays application version information.


To Keep Using ...

Enter the license key.
This item cannot be selected if the license key registration has already been completed.




Main Dialog




Lease Address

(1) IP Address

Displays the IP address currently leased to the DHCP client.

(2) Remaing Time

Displays the remaining lease time of the currently leased address.

(3) MAC Address

Displays the MAC address of the DHCP client that currently lease the IP address.

(4) [Start DHCP Server] button

DHCP server is started.
The button display switches to [Stop DHCP Server].

(4) [Stop DHCP Server] button

DHCP server is stoped.
The button display switches to [Start DHCP Server].


DHCP Option

(5) No.

Displays the option number in the DHCP option parameter list.

You can edit the DHCP options by double-clicking the selection item in the DHCP option parameter list.

(6) Option Name

Displays the option name in the DHCP option parameter list.

(7) Type

DHCP Options Displays the DHCP option data type in the parameter list.

(8) Option Value

DHCP option Displays the character string set for the DHCP option in the parameter list.


DHCP Command

(9) DHCPDISCOVER

Sets whether to handle the DHCPDISCOVER command from DCHP clients.
If checked, it processes the DHCPDISCOVER command.
If it is not checked, the DHCPDISCOVER command will be discarded.

(10) DHCPREQUEST

Sets whether to handle the DHCPREQUEST command from DCHP clients.
If checked, it processes the DHCPREQUEST command.
If it is not checked, the DHCPREQUEST command will be discarded.

(11) DHCPRELEASE

Sets whether to handle the DHCPRELEASE command from DCHP clients.
If checked, it processes the DHCPRELEASE command.
If it is not checked, the DHCPRELEASE command will be discarded.

(12) DHCPINFORM

Sets whether to handle the DHCPINFORM command from DCHP clients.
If checked, it processes the DHCPINFORM command.
If it is not checked, the DHCPINFORM command will be discarded.

(13) DHCPDECLINE

Sets whether to handle the DHCPDECLINE command from DCHP clients.
If checked, it processes the DHCPDECLINE command.
If it is not checked, the DHCPDECLINE command will be discarded.


Log Message

(14) Log display

Displays the communication log of the DHCP server.

(15) [Clear] button

Clears the contents displayed in the log.

(16) [Copy] button

Copy the contents displayed in the log to the clipboard.



DHCP option settings


Set the value of the option variable corresponding to the DHCP option number.



(1) Option Number

Set the option number for DHCP options.

(2) Option Name

Edit the option name of the DHCP option.

(3) Data Type

Select the data type of the DHCP option from the following items.

UNUSEDunused.
NO DATANo data.
IP ADDRESSIP address.
STRINGstring.
BINARYbinary data.
INTinteger
BYTE8bits integer
SHORT16bits integer.
LONG32bits integer.

(4) Option Value

Edit the string to be set in the DHCP option.

(5) [OK] button

The settings made in this dialog will be reflected in the DHCP option list.

(6) [Cancel] button

The contents set in this dialog are discarded.



Application Settings


Lease Address



Lease Address Range

(1) Start Address

Set the starting address of the IP address to be lent to the DHCP client.

(2) End Address

Set the end address of the IP address to be lent to the DHCP client.

(3) [Add] button

Add a new address range to the lease address range list.

(4) [Modify] button

Change the start address and end address of the address range where the cursor is in the lease address range list.

(5) [Delete] button

Deletes the address range with the cursor in the lease address range list from the list.

(6) List of Lease Address Range

Lists the set lease address range.



Filter

Allows you to select DHCP clients that communicate with the DHCP server by MAC address.



Allow or deny access list

(1) Enabled Filter

If checked, the DHCP client connection will be restricted by the MAC address.
If unchecked, allow connections with all DHCP clients.

(2) Filter Type

Set whether to allow or deny the connection with the DHCP client in the MAC address list.

(3) MAC Address

MAC address list Enter the MAC address to add.

(4) [Add] button

Add a new MAC address to the MAC address list.

(5) [Delete] button

Deletes the MAC address with the cursor in the MAC address list from the list.



misc



Log file folder

(1) Output LOG

If checked, a log file will be created and the log will be output to a file.
If it is not checked, the log file will not be created.

The name of the log file to be created will be [DHCPoptYYYYMMDDhhmmss.log].

YYYYYears when creating the log file.
MMMonths when creating the log file.
DDDays when creating the log file.
hhHours when creating the log file.
mmMinutes when creating the log file.
ssSeconds when creating the log file.

(2) Log file storage folder name

Set the name of the folder where the log file is stored.

(3) [...] button

Select the name of the folder where the log file is stored from the existing folders.

(4) DHCP Server address

Select the IP address of the DHCP server.
The DHCP server address will switch only after the next application is launched.



Choose Language


Set the display language of the application.



(1) Choose Language

Select the display language of the application from the following languages.

English
Japanese



Enter the licence key


Enter the application license key.



(1) [To Buy ...] button/td>

Displays the homepage where you can purchase the license key.

(2) Username

Enter the user name to register the license.

(3) Licence key

Enter the license key you purchased.