 - A NIC (Network Information Center) handle is an alphanumeric character sequence that is unique for each entry in the database of all Internet domain name registrants. When a new domain name is registered, a NIC handle is assigned by the registrar to the information about that domain name (such as who has registered it and the e-mail address for a contact). Once the domain name is registered, either the domain name or the NIC handle can be used to search for that record in the database.
The domain name database is administered by all the registrars under policies set forth by ICANN.
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Learn more about IP Networking |
| How to subnet: Subnetting calculations and shortcuts: Learn how subnetting works in this tip and quiz on how to calculate a subnet mask. IP address classes and bit values of octets are explained in detail. |
| IP addressing and subnetting explained: Our IP addressing and subnetting crash course provides an overview of IP addressing-related topics, including IPv4 and IPv6, subnetting, DHCP, and calculating subnet masks. |
| Troubleshooting IP Routing -- 'CCNA Official Exam Certification Library, 3rd Edition,' Chapter 7: Learn how to troubleshoot IP routing in preparation for the Cisco CCNA exam in this chapter from 'CCNA Official Exam Certification Library, 3rd Edition.' |
| IP address management -- from 'Network troubleshooting and diagnostics': Learn how IP address management and maintenance tools can help manage the scope of IP addresses on your network. |
| IP Accounting -- from Network Management: Accounting and Performance Strategies: IP Accounting, Chapter 6 of Network Management: Accounting and Performance Strategies, describes the IP Accounting features and functions in Cisco IOS, and SNMP MIB. |
| Basic IP Connectivity and CEF Troubleshooting -- Chapter 4 of "Cisco Express Forwarding": This chapter presents the general troubleshooting used on Cisco IOS routers and switches as a first step in troubleshooting IP connectivity problems. |
| LAST UPDATED: |
05 Dec 2002
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