Cisco Switch IOS Recovery
If your Cisco switch flash memory has become corrupt or you have accidentally erased it (read: delete /force /recursive flash:*) and then powered cycled your switch, you may be stuck...
Networking
Cisco Port Security and Sticky MAC Addresses
I recently reevaluated how we do port security as a result of a recent customer’s information security audit. We normally turn on port security and set the maximum MAC addresses...
Active Directory Health Check
Weekly or bi-weekly Active Directory Health Checks are an important part of a Microsoft SysAdmin’s responsibility. Busy or inexperienced SysAdmin’s often overlook some of the important Health Check steps or...
Cisco IOS Diagnostic Tools
There are certain a number of diagnostic tools that can be used to troubleshoot and monitor the different elements of a network. This article takes a look at a number...
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...