CCNA

Traditional ARP

As we’ve learned before, the Address Resolution Protocol (ARP) is the process by which a known L3 address is mapped to an unknown L2 address. The purpose for creating such a mapping is so a… Read More »Traditional ARP

Routing Between VLANs

We wrote an article which covers Virtual Local Area Networks (VLANs) as a concept, and another article on configuring VLANs on Cisco witches. The remaining subject to cover is the different options that exist for routing between… Read More »Routing Between VLANs

EIGRP Metric

The EIGRP Metric has caused confusion for many network engineers trying to understand the protocol. This article will dive into what the metric is, and how to boil it down into its simplified form. Formula… Read More »EIGRP Metric

EIGRP Terminology

Anyone who has ever studied the EIGRP protocol has at some point or another been confused by the awkwardly defined terminology that is incorporated into the protocol. This article’s purpose will disambiguate all the EIGRP… Read More »EIGRP Terminology