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Network configuration
All D2D appliances have two 1GBit Ethernet ports, the D2D4312 and D2D4324 appliances also have two
10GBit Ethernet ports. The Ethernet ports are used for data transfer to iSCSI VTL devices and CIFS/NFS shares
and also for management access to the Web Management Interface.
In order to deliver best performance when backing up data over the Ethernet ports it will be necessary to
configure the D2D network ports, backup servers and network infrastructure to maximise available bandwidth to
the D2D device.
Each pair of network ports on the D2D, (i.e. the two 1Gbit ports and the two 10Gbit ports on D2D 4312/4324)
have four configuration modes available as follows:
Single port – In this case Port 1 (1Gbit) or Port 3 (10Gbit) must be used for all data and management traffic.
Dual port – Both ports in the pair are used, but must be in separate subnets, both ports can access the Web
Management Interface and virtual libraries and NAS shares are available on both ports.
High Availability mode (Port failover) – Both ports in the pair are used but are bonded to appear as a single
port with a single IP address. Data is only carried on one link, with the other link providing failover.
High Availability mode (Link Aggregate) – Both ports in the pair are used but are bonded to appear as a
single port with a single IP Address. Data is carried across both links to double the available bandwidth on a
single subnet.