
Cisco Network Registrar is a powerful tool for managing your network. It's designed to help you scale your network management, making it easier to handle a large number of devices and users.
With Cisco Network Registrar, you can automate the process of assigning IP addresses to devices, which can save you a lot of time and effort. This is especially useful in large networks where manual IP address assignment can be a tedious and error-prone process.
Cisco Network Registrar also provides a centralized management platform, allowing you to easily monitor and manage your network from a single location. This makes it easier to troubleshoot issues and make changes to your network configuration.
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Key Features
Cisco Network Registrar offers a proven and scalable solution for DHCP and DNS services, providing high-performance and extensibility for your network needs.
This solution provides services for Dynamic Host Configuration Protocol (DHCP), Domain Name System (DNS) acting as an Authoritative DNS, and Caching DNS.
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Reliability is also a key feature, with multiple levels of redundancy and safe failover for DHCPv4 and DHCPv6, as well as support for HA-DNS. Custom dashboards report status and trends of DHCP and DNS operations, giving you a clear view of your network's performance.
The extensibility of Cisco Network Registrar is also noteworthy, with a powerful extensions interface and REST APIs that enable flexible customizations for network security, performance, and 3rd party integrations.
With its adaptable nature, Network Registrar can be configured to monitor relay agents for reliable DHCP operations and verify the destination server is a viable choice for the DNS assignment.
Extensible
The extensibility of Cisco Prime Network Registrar is one of its standout features. It's a powerful extensions interface that enables customizations to create bespoke functions for network security, performance, and 3rd party integrations.
This interface and REST APIs provide flexibility to tailor the solution to specific needs. It's a game-changer for organizations that require unique functionality.
With this level of customization, Network Registrar can be fine-tuned to meet the specific requirements of your network. It's not just a one-size-fits-all solution.
Secure

Our system takes security seriously. We have a Chatty Client filter that helps keep misbehaving clients from accessing your DHCP. This adds an extra layer of protection against potential threats.
The Chatty Client filter is just one part of our comprehensive security features. DNSSEC, DNS firewall, TSIG, and DNS over TLS all work together to safeguard against DNS vulnerabilities.
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Scalability
One instance of Cisco Prime Network Registrar can support over 4 million IP addresses or 6 million resource records, making it a highly scalable solution.
Providing high-performance disks, such as SSDs, is crucial for reducing latency and improving performance, especially for DHCP and Authoritative DNS servers that handle dynamic updates.
High-performance disk controllers are also recommended to further enhance disk performance.
Providing lots of memory is also essential, with the recommendation being to have at least twice the size of the Cisco Prime Network Registrar databases in free memory.
Network performance is also an important consideration, with 1 GB or better Ethernet controllers being recommended.
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Most Cisco Prime Network Registrar uses are not CPU intensive, making CPU performance the least important consideration in terms of scalability.
Here are some key scalability recommendations:
- Use high-performance disks (SSD recommended)
- Provide lots of memory (at least twice the size of databases)
- Use high-performance disk controllers
- Use 1 GB or better Ethernet controllers
Target Audience
Cisco Network Registrar is a powerful tool designed to cater to the needs of various organizations. Specifically, it's tailored for internet service providers (ISPs), multiple service operators (MSOs), and enterprises.
ISPs can leverage Cisco Network Registrar to reduce the cost of operating networks that provide leased line, dialup, and DSL access to customers. This includes Point-to-Point over Ethernet and DHCP services.
MSOs can benefit from the reliable and manageable DHCP and DNS services provided by Cisco Network Registrar. These services meet the Data Over Cable Service Interface Specification (DOCSIS) requirements, making it an ideal solution for cable or wireless technologies.
Enterprises, on the other hand, can use Cisco Network Registrar to automate the tasks of assigning IP addresses and configuring TCP/IP software for individual network devices. This includes single- and multisite enterprises, from small-to-large businesses.
Here's a breakdown of the target audience for Cisco Network Registrar:
- Internet Service Providers (ISPs)
- Multiple Service Operators (MSOs)
- Enterprises (single- and multisite)
Cisco Network Registrar
Cisco Network Registrar is a network server suite that automates managing enterprise IP addresses. It provides a stable infrastructure that increases address assignment reliability and efficiency.
The suite includes several servers, such as the Dynamic Host Configuration Protocol (DHCP) server, Domain Name System (DNS) server, Caching Domain Name System (CDNS) server, Simple Network Management Protocol (SNMP) server, and Trivial File Transfer Protocol (TFTP) server.
Cisco Prime Network Registrar can be installed in either local or regional mode. Local mode is used for managing local cluster protocol servers, while regional mode is used for managing multiple local clusters through a central management model.
A regional cluster is required for licensing and can be used to centrally manage local cluster servers and their address spaces. The regional administrator can perform various operations, including managing licenses, pushing and pulling configuration data, and obtaining DHCP utilization and IP lease history data.
Here are the key features of Cisco Prime Network Registrar:
- Dynamic Host Configuration Protocol (DHCP) server
- Domain Name System (DNS) server
- Caching Domain Name System (CDNS) server
- Simple Network Management Protocol (SNMP) server
- Trivial File Transfer Protocol (TFTP) server
You can control these servers using the Cisco Prime Network Registrar web-based user interface (web UI) or the CLI, which can also control server clusters running on different platforms.
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