Arp responses, Computer Network Security

ARP RESPONSES

Let's search out how does a computer know whether an incoming frame have an ARP message. The type field in the frame header defines that the frame contain an ARP message. The Ethernet standard substance that the type field in an Ethernet frame carrying an ARP data packet must has the hexadecimal value 0 x 806, as given in the figure below.

 

396_ARP RESPONSES.png

 

CASHING ARP RESPONSES:

Although message interchange can be used to bind addresses, sending a request for every binding is hopelessly not efficient. To remove network traffic, ARP software saves and extracts the information from a response so  that it may be used for subsequent data packets. ARP manages the Table as a cache short-term memory.

 

Posted Date: 8/1/2012 7:16:25 AM | Location : United States







Related Discussions:- Arp responses, Assignment Help, Ask Question on Arp responses, Get Answer, Expert's Help, Arp responses Discussions

Write discussion on Arp responses
Your posts are moderated
Related Questions
QUESTION: (a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a TCP segment. Give the source MAC address for the frame in hexadecimal; the sourc

Question: (a) What is the major problem with public key encryption when compared to symmetric key encryption? (b) Consider the following protocol for communication between t

Question (a) Estimate the average throughput between two hosts given that the RTT for a 100 bytes ICMP request-reply is 1 millisecond and that for a 1500 bytes is 2 millisecon

Risk Identification Risk management comprises of identifying, classifying and prioritizing organization’s information assets, threats and vulnerabilities also. Risk Identificati

Question 1:  Describe the functioning of cloud computing. Question 2: Discuss on "Platform as a Service". Question 3: Discuss the steps involved in effective co

Question: (a) Prove that every positive integer n can be factorized into a product of prime powers. (b) State the Fermat-Euler theorem as needed in the RSA system. (c) Us

QUESTION (a) Briefly explain the contents of the Needs Analysis, which is step in the process of network design. (b) Describe on the three ways of improving the performan

Problem (a) IT Service Support within the ITIL framework is divided in a number of processes. Compare and contrast the following processes: i. Incident Management and Problem M

Question 1 a) Provide three advantages of using optical fiber. b) Distinguish between "Direct Sequence Modulation" and "Frequency Hopping" c) Decribe the purpose of using "

UDP DATAGRAM FORMAT: It is given in the figure below: