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Include a network time service in your configuration to avoid time differences between the local and
regional clusters. This method ensures that the aggregated data at the regional server appears consistently.
The maximum allowable time drift between the regional and local clusters is five minutes. If the time
skew exceeds five minutes, then the installation process will not be able to correctly register the server
with the regional. In this case, unset and set the password on the regional cluster, and sync again. Tip
Table 1: Cisco Prime Network Registrar Server Minimum Requirements
Operating System Component
Windows Linux
Windows Server 2012 R2
3
Red Hat Enterprise Linux ES 6.5
and CentOS 6.5
2
OS version
1
With basic DHCP and optimal hardware configuration:
• For expected peak load between 500 and 1000 DHCP leases per
second, 7500 RPM SATA
5
drives are recommended.
• For expected peak load above 1000 DHCP leases per second,
15000 RPM SAS drives are recommended. Recommended hard
drive-146 GB
Disk space
4
Small networks-8 GB, Average networks-16 GB, or Large networks-32
GB Memory
6
1 Cisco Prime Network Registrar 9.1 is supported on 64-bit operating systems. We highly recommend customers move to a 64-bit operating system.
2 Cisco Prime Network Registrar 9.1 supports Red Hat Enterprise Linux ES 6.5 , running standalone or on VMWare (ESX Server 5.5 or later) on Cisco Unified
Computing System (CUCS) and other hardware supported by VMWare.
3 Cisco Prime Network Registrar 9.1 supports Windows Server 2012 R2, running standalone or on VMWare (ESX Server 5.5 or later) on Cisco Unified Computing
System (CUCS) and other hardware supported by VMWare.
4 Higher I/O bandwidth usually results in higher average leases per second.
5 Serial Advanced Technology Attachment (Serial ATA).
6 Faster CPU and more memory typically result in higher peak leases per second.
System Requirements for Linux OS (RH 6.5 and CentOS 7.3)
To run Cisco Prime Network Registrar (64-bit kit) on Red Hat Enterprise Linux ES 6.5 (64-bit), ensure that
the Java Runtime Environment (JRE) (64-bit) is installed along with its dependencies. The Linux OS has the
following packages. To support External Authentication using AD and GSS TSIG features ensure installation
of the following:
• krb5-libs
• cyrus-sasl-gssapi
Cisco Prime Network Registrar 9.1 Installation Guide
8
Installation Requirements
System Requirements