Configuring the Management Network
System Administration Manual
37
There are significant advantages to having a private management network:
•
Network traffic required for normal SMU monitoring of Titan and auxiliary devices will
not be on the enterprise network.
•
Devices on the private management network will not take up valuable IP addresses on
the enterprise network.
•
The SMU is able to discover all devices on the private management network, aiding
setup.
The alternative to using the private management network is to place all of the auxiliary devices
onto the enterprise data network. These devices will need to be issued permanent IP addresses
within the network. It is possible to have a mixed system, in which some of the auxiliary devices
are isolated on the private management network, while others remain on the enterprise
network.
Network Address Translation (NAT) Port Range
In order to isolate the private management network from the enterprise network completely, the
SMU uses
Network Address Translation
(NAT) and
Port Address Translation
(PAT). For
instance, an HTTP request for a device in the private network would actually be made to the
public
IP address on the SMU's eth0 interface, on a
NATed
port (e.g.
192.168.1.124:28013
).
This request will be translated by the SMU to the
private
IP address and
actual
HTTP port of the
device on the private network (e.g.
192.0.2.13:80
). This is referred to as the
NAT Port
.
