Address Resolution

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

We’ve discussed the use cases and role of traditional ARP in the prior article of this series. In this article we will discuss Proxy ARP and its role and significance. Proxy ARP occurs when one… Read More »Proxy ARP

We’ve talked about Traditional ARP, where a node is requesting another node’s MAC address. We’ve also talked about Proxy ARP, where a node is answering an ARP request on behalf of another node. Which brings… Read More »Gratuitous ARP

We finally come to the last iteration of ARP that this article series will discuss. They are the ARP Probe and the ARP Announcement. Both of these are used in a process known as Duplicate… Read More »ARP Probe and ARP Announcement