2. IN connector1. Power connectors
4. Port 2E connector3. Power on/off button
Figure 12 Cabling the Capacity Upgrade Kit
Supported Ethernet configurations
Ethernet network connection
IPv4 and IPv6 network protocols
The HP D2D supports both IPv4 and IPv6. Setup and configuration will default to IPv4, if the network
is configured to support it. On an IPv6–only network, it is normally sufficient to enter the IPv6 MAC
Address (found on the label on the top of the unit) when running the Installation Wizard. However,
if this does not work, you can use the system console, as described in
“Using the system console to discover the HP D2D” on page 56.
Dual network ports
The two physical network ports provide three network configuration modes:
• Single Port Configuration: The HP D2D is connected to one network only; only one network port
is used (Port 1).
• Dual Port Configuration: The HP D2D is connected to two different networks. Both network ports
are used.
• High Availability Dual Port Configuration: Both network ports are used, but the two ports are bound
together.
Single port configuration is the default mode, but it may easily be changed from the Web Management
Interface. If dual port configuration is required, the networks must be on different sub-nets.
The High Availability mode provides increased bandwidth, but both network ports must be connected
to the same switch, which must support port bonding.
D2D Backup System HP D2D4112 37
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