filed in Cisco Simulators on Oct.29, 2008
Building More Complex Topologies in GNS3
With GNS3 very complex topologies may be built but when running many router instances will affect the performance of your computer. The faster your CPU and the more RAM that you have, the better. However, idlepc does a lot to help with CPU usage.
Ghostios and sparsemem are two additional utilities [...]
filed in Cisco Simulators on Oct.28, 2008
Select the IDLE PC for the router in GNS3
We will now learn how to find an idlepc value for the IOS we are currently using. This is a very important step. When an IOS is running, it will consume up to 100% of your CPU time. This will cause your computer to become very sluggish [...]
filed in Cisco Simulators on Oct.14, 2008
Create a Simple Topology in GNS3
Let us start learning by placing a one router , start it, and console into it
The GNS3 window is divided into four panes by default.
The left-most pane lists the types of nodes available. You will see router icons for the various platforms, a PIX firewall, Ethernet switch, ATM bridge, ATM [...]
filed in Cisco Simulators on Oct.13, 2008
How to define the Cisco IOS files in GNS3
Platforms supported by the Simulators include
1710 1720 1721 1750 1751 1760
2610 2610XM 2611 2611XM 2620 2620XM 2621 2621XM 2650XM 2651XM 2691
3620 3640 3660 3725 3745
7200
Click the Start button, All Programs, GNS3, and then click GNS3
Then in the window of GNS3 go to the the Edit menu, choose [...]