How is IP address mapping conducted in ARP? What is RARP?

Sunny Connection AG

ARP is the Address Resolution Protocol and is used by IPv4 nodes to resolve the link-layer address for a given IP address. RARP is the Reverse Address Resolution Protocol and does the opposite; it resolves the IP address for a given link-layer address. Find a detailed description of how ARP works in my book Novell's Guide to Troubleshooting TCP/IP, ISBN 0-7645-4562-0.

IPv6 does not use ARP or RARP anymore. With IPv6 link-layer address resolution is done as part of Neighbor Discovery...

Step 2 of 2:

You forgot to provide an Email Address.

This email address doesn’t appear to be valid.

This email address is already registered. Please login.

You have exceeded the maximum character limit.

Please provide a Corporate E-mail Address.
- I agree to TechTarget’s Terms of Use, Privacy Policy, and the transfer of my information to the United States for processing to provide me with relevant information as described in our Privacy Policy.
Please check the box if you want to proceed.
- I agree to my information being processed by TechTarget and its Partners to contact me via phone, email, or other means regarding information relevant to my professional interests. I may unsubscribe at any time.
Please check the box if you want to proceed.

(ND) and uses ICMPv6 messages.

This was last published in March 2005

Related Q&A from Silvia Hagen

Slow rate of IPv6 adoption: True or false?

An expert explains why the adoption rate of IPv6 isn't as slow as people think and why it is important to create a dual-stack environment during the ... Continue Reading

Running IPv6 over low-power devices with limited resources

Expert Silvia Hagen explains what v6LoWPAN does and how it’s used. Continue Reading

ICMPv6: New message types and functionalities

Expert Silvia Hagen explains what ICMPv6 is, and how it differs from ICMPv4. Continue Reading

Have a question for an expert?

Please add a title for your question

Get answers from a TechTarget expert on whatever's puzzling you.

Meet all of our Networking experts

View all Networking questions and answers

SearchSDN

128 Technology delivers routing software, SD-WAN on white box

128 Technology integrated its routing software and SD-WAN capabilities with white box CPEs from Lanner. Arrow Electronics will ...

SD-WAN benefits the changing network connectivity landscape

In the latest networking advance, SD-WAN benefits the evolving network connectivity landscape by allowing customers to use less ...

MEF launches SDN certification and specs for Presto APIs

MEF worked with The Linux Foundation and ETSI to develop an NFV and SDN certification to focus on related knowledge and skills. ...

SearchEnterpriseWAN

How to calculate network bandwidth requirements

Figuring out how to calculate bandwidth requirements is vital to ensuring your network runs smoothly, and it's best to get the ...

How types of noise in data communication systems affect the network

Learn about the different types of noise in data communication -- including thermal, intermodulation, cross-talk, impulse and ...

The best VPNs for enterprise use

This slideshow highlights the best VPNs used in enterprise wide-area networks (WANs) and offers principles for designing and ...

SearchUnifiedCommunications

Twilio SIM cards simplify IoT connectivity

Twilio has released programmable SIM cards for IoT connectivity. The Twilio SIM cards connect to the vendor's APIs for voice, ...

Cisco Webex Teams to replace Spark platform

Cisco plans to combine Spark and Webex to provide a single platform for team collaboration and web conferencing. Cisco Webex ...

Google Cloud speech-to-text service gets revamp

Google Cloud speech-to-text service has been updated for improved accuracy through machine learning. The company is also ...

SearchMobileComputing

How to track mobile app metrics

Developers that don't track mobile app health will get little insight into the user experience. Learn these effective strategies ...

Pros and cons of AI for mobile IT

Mobile IT admins should be prepared to take advantage of artificial intelligence technologies, but it's important to be aware of ...

Be prepared to handle a mobile security breach

When it comes to cybersecurity, mobile security often falls by the wayside. Discover these techniques to prepare for a mobile ...

SearchDataCenter

Guide to buying server performance monitoring software

Integration, storage and vendor support all affect whether a performance monitoring tool is right for an organization. Mull over ...

How IBM's data science team quickens users' AI projects

In this Q&A, IBM's Seth Dobrin discusses the rising user interest in machine learning and AI projects and the help inexperienced ...

IBM blockchain technology spotlights mainframes

IBM's blockchain offerings aim to ease enterprise IT concerns by combining Z system mainframe hardware with industry-specific ...

SearchITChannel

Marketing for MSP companies: Still a struggle

While managed service providers continue to struggle with marketing, the list of vendors committing to the channel sales model ...

Expect 5G infrastructure to generate new wave of channel opportunities

It's time to think about 5G. The widespread rollout of 5G infrastructure is likely to create new prospects for channel-provided ...

128 Technology brings routing, SD-WAN to white box CPEs

128 Technology integrated its routing software and SD-WAN capabilities with white box CPEs from Lanner. Arrow Electronics will ...

Related Resources

Dig Deeper on IP Networking

Related Q&A from Silvia Hagen

Have a question for an expert?

Start the conversation

0 comments

Register

Login

Forgot your password?

Your password has been sent to:

Please create a username to comment.