intro-network1
ARP request/ARP response
ARP request/ARP response This section describes how ARP requests and ARP responses work. See the diagram below […]
ARP header
ARP header The layer at which ARP operates is at the same network layer as IP. Defined in RFC826. Here i […]
What is ARP
What is ARP In a LAN, communication is performed using a mechanism called Ethernet. Here, we will explai […]
Notes on MAC Address Filtering
Notes on MAC address filtering MAC address can be easily changed by using device manager or tools. This […]
MAC Address (Vendor Identifier: OUI)
MAC address (vendor identifier: OUI) This section introduces how to search for organizations (vendors) that ma […]
MAC address change
Change MAC address The MAC address is written by the vendor at the time of shipment and is not supposed to be […]
What is a MAC address
What is a MAC address Currently, the most widely used LAN standard is Ethernet. The Ethernet uses hardwa […]
private IP addresses
IP address exhaustion problem Some IP addresses are reserved. Among the special IP addresses, I will exp […]
local loopback address
local loopback address Among the special reserved IP addresses is the local loopback address. Here, we w […]
route summarization (route summarization)
route summarization (route summarization) There are two methods of assigning IP addresses: classful addressin […]