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Home Lab

GNS3 home lab on Windows


I wrote in my old post How to build a home switching lab with GNS3 and Ubuntu about building GNS3 on linux. I recently upgraded my Ubuntu box from Gutsy to Hardy. However, I have encountered problems while viewing .mov ... Read More »

Calculating GNS3 idle PC value


No matter how much processing power you’ve got, there will always be some processor cycles going on even if your routers are just sitting there for you to tape some CLI stuff. First thing, before starting your full lab, make ... Read More »

List of missing switch features on GNS3

Here it is: Access Switch Device Manager (SDM) TemplateACL – Improved Merging AlgorithmARP OptimizationBGP Increased Support of Numbered as-path Access Lists to 500BGP Restart Neighbor Session After max-prefix Limit ReachedBGP Route-Map Continue Support for Outbound PolicyClear Counters Per PortDHCP SnoopingDHCP ... Read More »

How to Use Virtual PC Simulator in GNS3


One or more PCs are needed to test some features, like VLANs, HSRP,… To make this possible with GNS3, I use what is called Virtual PC Simulator, or VPCS. Download Virtual PC Simulator You can download Virtual PC Simulator for free on the ... Read More »

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