The CLI command prompt is usually used when configuring Cisco Routers. In addition, the Security Device Manager (SDM) can be used for web-based management.
How to Run SDM Express on Router
In this article, we will install the Express version of SDM using GNS3 and VMware Workstation.
To provide web-based administration with SDM, you must enable a new user and http/https protocols on the Router. Then, you must configure Telnet or SSH to access it locally or remotely.
First, download the necessary programs to your computer from the following buttons for installation.
JAVA JRE 6u17 Download
SDM v2.5 Download
c3725 IOS Download
After downloading the required programs, you will need to check the IP address and VMnet settings of the VMware virtual machine.
VMware VMnet Setting
Open the Virtual Network Editor and after creating a new VMnet, configure its settings as shown in the image below.
VMnet configuration on the host;
VMnet configuration on virtual network editor;
How to Configure SDM Express on Cisco Router
After you have made the necessary preparations for the installation, follow the steps below to setup the SDM now.
Start the GNS3 program and create a new project.
Drag and drop a Router, Switch and Host into the GNS3 workspace.
Wire all devices in the topology as follows.
You need to add a flash disk to the router because there is no disk defined by default in GNS3.
Right-click on the router, click configuration and then click the Memories and Disks tab.
On the Memories and Disks tab, specify the Flash Disk size as shown below, and then click OK.
Open the CLI console window by double-clicking on the router and run the show file system command to check the Flash Disk.
The flash disk is not in use because it is not formatted.
To format the router’s Flash Disk, type erase flash: and then press Enter.
You can check that the disk was formatted successfully from the image below.
To run the SDM, perform the following commands in the Router.
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#interface fastethernet 0/0
R1(config-if)#ip address 192.168.8.1 255.255.255.0
R1(config)#ip http server
R1(config)#ip http secure-server
R1(config)#ip http authentication local
R1(config)#username cisco privilege 15 password cisco123
R1(config)#line vty 0 4
R1(config-line)#privilege level 15
R1(config-line)#transport input telnet
Configure the TCP/IP settings of the virtual machine that you added to the topology.
At the same time, check that the network card of the virtual computer is VMnet3.
Test the connection by pinging the Cisco Router from the virtual machine.
To install JAVA 6u17 on the virtual machine, run the setup file as an administrator.
After installing JAVA JRE, go to Control Panel / Java / Java Control Panel and click the View button on the JAVA tab in the window that opens.
Then enter -Xmx256m in Runtime Parameters and save it.
Run the setup file as an administrator to start the SDM installation.
In the Wizard window, click Next.
Accept the license agreement and click Next.
To install the management application, select Cisco Router and click Next.
At the Router CLI prompt, enter the user name and password created with the username command.
Enter the IP address assigned to the FastEthernet0/0 interface in the Hostname field and click Next.
Connecting to Cisco Router.
Continue by selecting Typical.
Select Install SDM Express and click Next.
Click Install to start the installation.
The necessary files are being copied to the Router.
After the installation is completed, click Finish to run the program.
If you encounter compatibility issues in the Internet browser, you can add the Router’s IP address to the list in the Compatibility View Settings section.
After renewing the page, when the router is connected, type the user name and password and click OK.
The connection from the virtual machine to the router’s interface will be successful as follows.
To bypass the security certificate error, select the trusted content option and click the Yes button.
Re-enter the user name and password of the router.
The management application scans the current settings on the router.
The application suggests changing the user name and password you created. In this step, create a new user name and password.
Enter the user account you just created for the connection.
The application sends commands to the Router to create a new user.
Re-enter your account information for Java access permission.
After completing the installation steps, you can now connect and manage your Router via LAN or WAN.
In addition, check the version of the SDM program.
At the router’s CLI prompt, execute the show flash: command and examine the SDM-related files copied into the Flash Disk.
You can also check the Flash Disk size by applying the show file system command.
How to Install the Cisco Management Software ⇒ Video
You can watch the video below to install the router management software and also subscribe to our YouTube channel to support us!
With this management software, you can basically configure your routers on the network. If you want to configure more professional settings, you can use Cisco SDM, the more advanced version of this version. Thanks for following us!
♦ Router Hostname
♦ GNS3 SSH
♦ GNS3 Telnet
♦ Router Configuration
♦ Router IP Address