It is observed that domestic or in-house security violations are competent to also be extremely costly. As company procedures turn out to be more and more edifying- as well as network-based, inside network security violations are able to make threats for the tremendous endurance of a company. For instance, take the example of the possible outcomes to a huge mail-order company if it turned out to be known that a network hacker or intruder had pilfered as well as altered its customer’s credit card information intentionally in the database of the corporate. Consequently, securing network data as well as information interchange within the LAN is an extremely high-value characteristic (Iyer et al., 2010. Hogben et al., 2007). In this research, I will present a detailed analysis of some of the main security aspects and role of IPSec in securing a network from inside as well as outer threats. This report will assess and broadly study the IPSec and the impact of how does IPSec implement security. This report will also analyze some of the main aspects of how is IPSec a Scalable and Robust Solution to the problems associated with network security. This research will analyze the limitations of IPSec and best practice of IPSec on a Network.Internet Protocol Security or simply IPsec is a structure intended for a group of protocols designed for safety at the network or packet manipulating layer of communication network system arrangement. Preceding security techniques encompass security at the Application layer of the Open System Interconnection paradigm used for communication in a network. IPsec is considered to be particularly helpful intended for the establishment of virtual private networks plus intended for distant user access in the course of a dial-up link to the private networks.