Below are the links to various tools, calculators, config template etc. I hope you guys will find it helpful – APC Datacenter Tools ACL Wildcard Mask Calculator Aircrack-ng APC Product Selectors BackTrack Linux – Penetration Testing Bandwidth Calculator Bandwidth Speed Test Tool Bandwidth VoIP Availability Check Bandwidth VoIP Test Belkin Wizards Black Box Custom Cable and Adapter Wizards Boson Free Utilities, Cisco Config Register Calculator Brad Reese music work ambience Broadband Tools Cain – Windows Based Hacking Tool CertSearch Tool – rates Cisco practice test providers CIDR Report CIDR / VLSM Supernet Calculator Cisco 827/827H/SOHO97/837 ADSL Firewall IPSec Config Cisco 827/827H/SOHO97/837 ADSL IPSec Config Cisco 827/827H/SOHO97/837 Basic Config Cisco 827/827H/837 Business Config Cisco 827, 827H, 837, SOHO97 Config Wizard Cisco 851/851W/857/857W/871/871W/877/877W Wizard