One of the first and most important things to configure on any Cisco device after allowing telnet or SSH, is to restrict who is allowed to access the device. Of course having a password on the lines is the first step and often configured correctly. The unfortunate thing about password security, especially when discussing telnet, […]
As part of any management and audit solution for networking, Syslog is vital. Syslog messages allow us to track system error messages, exceptions, and other information, such as device configuration changes. It allows for historical reporting, depending on the application keeping the logs, as well as help in fault finding. Cisco devices support 8 levels […]
In the event that you have lost the configuration on your Cisco device, restoration is straight forward assuming of course you had made a backup. There are 2 ways to restore the configuration to put our device back to normal Copy and paste the backup configuration directly to the device Copy the configuration from a […]
Cisco brings out new versions of the operating system quite frequently, and of course there are different versions of the operating system for each of the appliances. Different IOS’s will support different commands and different features and it’s not uncommon to have to change the IOS that your device is running to support commands you […]
The first and most important rule in IT, is “Backup soon, Backup often!” It’s a logical statement but sadly one that many people only truly appreciate when it’s too late! Two of the most important files on a Cisco router are the Running-Configuration which stores the current configuration of your router, and the IOS (The […]