CCIE

HSRP, or hot standby routing protocol, is very commonly used in the networking world. It is a great solution for providing redundant gateways for a wide array of networks. Over time there have been...

This is a subject that is key to the core of BGP and is something that needs to understood from the start. It is essential to everything that you will study and work with...

This post will cover the creation of an IPSec tunnel between two Cisco routers. If you've ever done one of these on an ASA firewall for instance, you will notice right off the bat...

Within BGP, there are sometimes situations where it is better to send a summary address advertisement instead of advertisements for multiple subnets. This is the same with BGP as it is with other routing...

Within BGP there are two common ways to build a BGP network. Full Mesh With a BGP Route Reflector The end goal is that each of the routers in your network has the prefixes from...

OSPF is a commonly used IGP used in a wide range of enterprise environments. It uses its algorithm to determine the shortest path to the destination network address. This algorithm is based on the...

So before leaving for #CLUS last week, a co-worked mentioned to that there were CCIE practice labs available at #CLUS. I hadn't stumbled across this before yet myself. At #CLUS in the World of...