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Task 6—Managing IP Addresses by Using DNS
About Managing IP Addresses
Managing IP addresses is a primary network administration function. Assigning and removing IP addresses can be tedious and error prone.
Domain Name System (DNS) servers provide two kinds of fundamental lookup services:
•Forward
•Reverse
In this case study, the dial engineers at THEnet:
•Have received a block of IP addresses from the NOC with DNS administrative rights and instructions for setting up IP address space.
•Track IP address assignments by using DNS reverse lookup zones within the existing DNS service.
•Use the application Cisco Network Registrar (CNR) and its CLI to manage the IP address database. CNR is a
Note This section assumes you are familiar with the basics of DNS. For more information about DNS, see DNS and Bind, Third Edition, by Paul Albitz and Cricket Liu. The ISBN number is 1565925122.
Table 30 Related References and Documents
Reference | URL |
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Internet Software Consortium for BIND (Berkeley Internet | http://www.isc.org/products/BIND/ |
Name |
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Cisco Network | http://www.cisco.com/univercd/cc/td/doc |
user guides and reference manuals. | /product/rtrmgmt/ciscoasu/nr/index.htm |
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Basic Dial NMS Implementation Guide
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