My environment: Nexus 7010, NX-OS 4.2 Just got a chance to play with the Nexus 7000 NX-OS QoS, the “mls qos” syntax has gone and now all t...

My environment:  IOS 12.4(24)T1, CME 7.1, Cisco 2821 You can create automatic tftp bindings for all phone firmware instead of doing it manu...

My environment: Cisco 3560E Besides shutting down the switchport, you can turn off the PoE power via the Energywise command.  Before you r...

My environment: Cisco 861W You can turn off the radio interface of the autonomous AP when you don’t use it to save power. #!/usr/bin/exp...

A handy expect script on Linux to backup your routers, switches, AP, or other IOS devices configuration.  Make sure you have “expect” instal...

My environment: Cisco 3560E, IOS 12.2(53)SE Auto Smartports Macros is a feature that provide easy and automatic way in deploying switchpor...

My environment: Apache 2.2.9 on Fedora Core 10 x86_64 Although it is not a good idea to do something like this, I’ve come across a case th...

My environment: RedHat Fedora Core 12 x86_64 BIND version: bind-9.6.1-11.P1.fc12.x86_64 Let’s see an example how to configure IPv6 rever...