Tutorial

The configuration register

The configuration register can be used to change router behavior in several ways, such as: how the router boots (into ROMmon, NetBoot) options while booting (ignore...

An introduction to SNMP

In a network environment, it is a good practice monitor Cisco devices. One of the most famous protocol to control and manage Cisco devices is...

Using AutoSecure to secure a router

Due to the number of CLI commands needed to manually disable services in an attempt to make the router more secure, Cisco introduced the...

How a DHCP server works and how to configure it on a Cisco router

The Cisco DHCP server feature is a full implementation that assigns and manages IP addresses from specified address pools to DHCP clients. After a...

Cisco Technical Tips Conventions

When you read official documentation from cisco.com, there are some conventions that is opportune to know. Some examples of Cisco conventions: * Bold indicates text the user...

Undocumented Cisco commands

Surfing the web, I have found a document concerning the undocumented cisco commands. The document was write by Lars Fenneberg (CCIE #7325) and it's quite old...