Cisco allows use of extended and named access lists for filtering access to VTY lines. However, still unsupported is the ability to specify destination addresses (ie, the ability to limit VTY access to specific management IP addresses). The destination portion of the ACL needs to…

The following sites return the source IP of web requests in plain text with no HTML or other formatting. icanhazip.com ifconfig.me/ip Examples Linux: PowerShell Python Be aware if there are http/s proxies in place the above may not be a true representation of the external IP…

The vSphere Web Client default port is 9443 Default URL is https://[vcenter_server_fqdn]:9443/vsphere-client/

With support for XP ending, the following are two ways to list currently active XP workstations. For Server 2008 R2 and later, using the ActiveDirectory PowerShell module provides nicer output with more detail. For DCs pre Server 2008 R2, similar results can be retrieved with…

The following can be used to split traffic between two WAN links. It is typically used to provide a mechanism to route based on source rather than destination or to split different types of traffic across different links. Example Network The above diagram illustrates the network…

It took me a while to find the correct way to perform an IOS update on the internal AP802 APs in Cisco 880 series routers. Here it is, it needs to be ran from the AP.

This removes default installed Cisco Configuration Professional from Cisco Routers. Remember to disable HTTP/S services as well.

Quick reference guide from the utility.