IP Protocols

IP Protocol
  • The principal communication protocol in the TCP/IP protocol suite
  • Defines addressing to lael the datagram with source and destination IP addresses
  • Relaying datagrams (packets) across network boundaries
  • Routing function enables internetworking and essentially establishes the Internet
  • Delivers packets solely based on the IP addresses in the packet headers
  • Structures packet that encapsulates the data to be delivered
  IP Address
  • Unique
  • Logical address
  • Bounded to the geographical location
  • Length: 32 Bits (4 bytes/octets) for version 4
  • Each byte ranges from 0 to 255
  • Categorized into classes: A, B, C, D, and E
  • Identifies single machine on the Internet
  • Used for routing from source to destination
  IP Layer Devices
  • Router and Layer 3 Switch work in IP layer
  • Device redirects packets between networks
  • Routers forward packets based upon the destination IP address
  • Router searches the Routing Table for the destination network ID
  • Network ID = IP Address and Subnet masks
  • Routers are protocol dependent
  • Layer 3 switches are super fast routers
  Routing Table
  • Composed of rows that are read sequentially
  • Destination network
  • Subnet mask
  • Interface
  • Gateway
  • Cost/metric
  • Can be built statically or dynamically
  • RIP and OSPF are dynamic routing protocols
Recommended Study Material
Learn on the go.
The app designed for the modern cyber security professional.
Get it on Google Play Get it on the App Store

Our Revolution

We believe Cyber Security training should be free, for everyone, FOREVER. Everyone, everywhere, deserves the OPPORTUNITY to learn, begin and grow a career in this fascinating field. Therefore, Cybrary is a free community where people, companies and training come together to give everyone the ability to collaborate in an open source way that is revolutionizing the cyber security educational experience.

Cybrary On The Go

Get the Cybrary app for Android for online and offline viewing of our lessons.

Get it on Google Play

Support Cybrary

Donate Here to Get This Month's Donor Badge

Skip to toolbar

We recommend always using caution when following any link

Are you sure you want to continue?