How to Configure DHCP Service & Scope in SonicWall CLI (Command Line Interface)

10/14/2021 30 People found this article helpful 478,927 Views

Description

This article explains how to Configure DHCP Service & Scope in SonicWall CLI (Command Line Interface)

Resolution

Resolution for SonicOS 6.5

This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.

AAccess SonicWall CLI through Console (connecting a serial cable directly to SonicWall device console port ) or via SSH (default port 22 or custom SSH port, if changed in SonicWall).

Step 1:

Log into SonicWall CLI using the administrator username/password, to enable and create DHCP scope.

Once logged into CLI, navigate from "enable mode" to "configuration mode" in order to make the required changes, as shown in the screenshot below

Step 2:

Following commands set will enable the DHCP service on SonicWall.

Step 3:

Enter the command "commit" to update the changes in SonicWall configuration permanently.

To verify the status of DHCP server after saving the changes above type the command "show dhcp-server", and look for "enable" under dhcp-server, as shown below:

Step: 4

To create DHCP scope, enter the Command "scope dynamic A.B.C.D A.B.C.D" Replace A.B.C.D with starting range and second with ending range.

Add Netmask, and Default Gateway, for the created scope, as shown below

DNS server address can be configured or be inherited from the SonicWall WAN Interface

Additional parameters can also be set for the configured DHCP scope, as shown below:

Step 5:

After required parameters has been configured, apply Commit Command to save the changes.

Newly added Scope can be viewed in web GUI, as shown below:

Resolution for SonicOS 6.2 and Below

The below resolution is for customers using SonicOS 6.2 and earlier firmware. For firewalls that are generation 6 and newer we suggest to upgrade to the latest general release of SonicOS 6.5 firmware.

Access SonicWall CLI through Console (connecting a serial cable directly to SonicWall device console port ) or via SSH (default port 22 or if custom SSH port, if changed in SonicWall).

Step 1:

Log into SonicWall CLI using the administrator username/password, to enable and create DHCP scope.

Once logged into CLI, navigate from "enable mode" to "configuration mode" in order to make the required changes, as shown in the screenshot below:

Step 2:

Following commands set will enable the DHCP service on SonicWall.

Step 3:

Enter the command "commit" to update the changes in SonicWall configuration permanently.

To verify the status of DHCP server after saving the changes above type the command "show DHCP-server", and look for "enable" under dhcp-server, as shown below:

Step: 4

To view list of previously created scopes type the command "Dynamic-scope" at (config-dhcp-server)#, as shown in the screenshot below:
To create DHCP scope, enter the Command "Dynamic-scope A.B.C.D A.B.C.D" Replace A.B.C.D with starting range and second with ending range.

Step 5: