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 Post subject: Dynamips/GNS3 Idle-PC explained. Finally!
PostPosted: Sun Feb 24, 2013 6:56 am 
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Joined: Fri Mar 05, 2010 11:33 am
Posts: 1494
Location: Australia
I've written a blog-post to explain the Idle-PC concept that so many people have trouble understanding. Thanks to Jeremy for his re-assurance and help.

In a nutshell:

Without an Idle-PC set, dynamips attempts to emulate instructions one at a time as fast as it can, consuming up to 100% of the available CPU.
The Idle-PC is a guess at where the Program Counter might be pointing to an idle-loop in the emulated router.
When emulator has visits this PC value Idle-Max times, it suspends itself for Idle-Sleep ms to allow other processes to get on their tasks.

The full post is at http://rednectar.net/2013/02/24/dynamip ... d-finally/



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GNS3 WorkBench-a VMware image of Ubuntu with GNS3 and VPCS installed and a collection of exercises/labs


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