New Project won't be saved as we going to setup the IOS Image
Launching GNS3 1.1, the "New Project" prompted would be shown to save new project locally or in the Cloud. For this, we will just Cancel.
Adding a Cisco IOS image
Select Prefernces... in the Edit Menu
Select Dynamips > IOS routers
Browse the Cisco IOS image
In this illustration, c3745-adventerprisek9-mz.124-25d.bin will be used.
Hint: Google to find the IOS images.
Hint: Google to find the IOS images.
Yes
Next >
Select the default model for the IOS image, and Next >
Leave as default or increase the RAM. [Just a note: ensure the laptop/PC had enough memory to support the IOS image Default RAM)
Select Next >
Slots can be added depending on the Router Configuration
Slots can be added depending on the Router Configuration
Select Next >
WIC modules can be added depending on the Router Configuration
WIC modules can be added depending on the Router Configuration
Click on Idle-PC finder.
Select Finish even there is no Idle-PC value as it can manually define in the next screen below, if it failed to located a value.
Apply and OK to add the IOS image
Power on the Router, select Start. [Right-click on the R1 router icon to get that menu]
Select Idle-PC once the router had been power on. [Right-click on the R1 router icon to get that menu]
Allow it compute the Idle-PC value.
Select the value with * behind, follow by Apply and OK
Console into the router and change hostname to RouterTest1