HP D2D100 Backup System - Manual (Page 24)

DHCP and static IP addressing
DHCP network addressing is enabled by default, which means that an IP address and other network
settings are assigned automatically when you connect the HP D2D Backup System to a network that has
a DHCP server. If preferred, you can use static IP addressing and assign settings manually during
the installation process.
In both instances, the HP D2D Backup System should be on the same logical and physical network as the
host machine connecting to it. This is normally the case because, typically, the HP D2D Backup System is
connected to the same Gigabit network switch as the host machines backing up to it.
Optional Tape Attach
A tape drive may be attached directly to your HP D2D Backup System, allowing you to store backups
offsite. Please refer to “ Attaching a physical tape drive ” on page 29 for further details.
Figure 6 Attaching a tape drive to the HP D2D Backup System
1. Internal tape drive 2. External tape drive
Supported network configurations
There are two ways of connecting the HP D2D Backup System to your network:
• By connecting it directly to a network switch on your network
• By connecting it to a backup server that is already on the network
As a device on a Gigabit Ethernet network
The HP D2D Backup System is connected to a spare port on an existing Gigabit network switch.
This may be your main network, which is also used to connect a number of different types of devices,
such as PCs, servers, workstations and printers, or a dedicated backup network that is used solely
for clients that need to be backed up.
The configuration, illustrated in
Figure 7 on page 25, is the simplest and most common configuration,
assuming that Gigabit networking is already in place, and requires no additional hardware. The only
disadvantage to the configuration is that a high volume of traffic may impact network performance during
backup and backups may take longer to complete. However, if backups are scheduled to run outside of
normal business hours, the volume of data traffic is unlikely to be a problem.
24 Connecting and installing the HP D2D Backup System