User`s guide

Installation and Preliminary Operations 22
Network Requirements
The network pre-requisites enlisted in this subsection will help you avoid delays and problems
with making OpenVZ for Linux up and running. You should take care in advance of the
following:
 Local Area Network (LAN) for the Hardware Node;
 Internet connection for the Hardware Node;
 Valid IP address for the Hardware Node as well as other IP parameters (default gateway,
network mask, DNS configuration);
 At least one valid IP address for each Virtual Private Server. The total number of addresses
should be no less than the planned number of Virtual Private Servers. The addresses may be
allocated in different IP networks;
 If a firewall is deployed, check that IP addresses allocated for Virtual Private Servers are
open for access from the outside.