There are scenarios where it would be desirable for a host or group of hosts to take a different route through the network than what is considered the normal path.  Consider this as creating a detour of sorts, forcing an alternate route to the destination.  This can be accomplished on a selective basis, by picking [...]

Another best practice article explaining the proper method for redistributing a static route into a routing protocol with the most control

IP Accounting is a great tool to use for basic troubleshooting. This little jewl is a very low impacting tool that provides counters of IP source and destination addresses flowing through a router.

This article explains how routes get installed in the route table using various sources that provide entries for consideration. These sources are typically routing processes, such as RIP, OSPF, EIGRP, or static routing to name a few. Inside contains an explanation on what happens when these sources know about the same routes.

When it comes time to upgrade a single T1 that is running at capacity, it is easy to add additional T1 circuits by using Multilink PPP. It is often less expensive to add T1’s up to a certain point before taking the plunge to a T3 circuit.

Learn the basics of OSPF by configuring the routing protocol in a small network environment example.

If you looking to explore routing protocol options for either an existing or new small office network, here is a place to start.

Configure a Cisco access switch with multiple vlans and use a Cisco 2800 with a single physical Ethernet connection to route between them.

Report on the data that flows through a network

Learn how to use time of day access lists and limiting bandwidth