Cisco Linksys Secret CLI
Cisco’s consumer branded “Linksys” SRW, SFE and SGE switches have a “hidden” light-weight command line interface (LCLI) which is very similar to Cisco’s IOS command line environment. Here’s how to...
Networking
Using a Dell Wireless 5620 EV-DO-HSPA in Thailand
The Dell Wireless 5620 Multi-Mode Gobi Mobile Broadband Mini-Card is a great way to add mobile broadband (HSDPA, EVDO, EDGE, 3G) to your Dell Latitude E series laptop without having...
Subnetting Notes for Beginners
Here are some notes on IP subnetting for beginners. 1 and 1 = 1, everything else = 0. An IP v4 IP address is 32 bit and made up of...
How to Calculate TCP throughput for long distance WAN/MAN links
So you’ve just turned up your new high-speed link between Data Centers but are unpleasantly surprised to see relatively slow file transfers across this high speed, long distance link. Before...
How do I upgrade an IOS tar file on a 2950 Catalyst switch?
The following tip is similar to the one on the Router IOS image transfer. It is highly recommended that you are familiar with Router IOS image transfer procedure (including the...