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DHCP (Dynamic Host Configuration Protocol)
•
This IP configuration mode requires a DHCP server to allocate an IP address dynamically over
the range of some defined subnet. The Linea GigE camera must be configured to have DHCP
enabled. This is the factory default setting.
•
The DHCP server is part of a managed network. Windows itself does not provide a DHCP server
function therefore a dedicated DHCP server is required. The Teledyne DALSA Network
Configuration Tool can configure the Teledyne DALSA DHCP server on the NIC used for the GigE
Vision network.
•
The Teledyne DALSA DHCP server is recommended where there are multiple NIC ports with
multiple GigE Vision devices attached. Each NIC port must use a different subnet to avoid IP
address conflicts . Persistent IP assignment is required if there is no DHCP server for any
additional subnet.
•
Under Windows, a NIC is configured in DHCP mode by default. If no DHCP server is present on
a given subnet, Windows will revert to LLA as explained in the section above.
•
Ensure that a different subnet is assigned to each NIC on the network. This will automatically
be managed correctly when the Teledyne DALSA DHCP server is enabled on one or all subnets
used for GigE Vision devices. The graphic below illustrates a system with one NIC having the
Teledyne DALSA DHCP server enabled.
Default LLA mode
Attached cameras are automatically assigned
IP addresses on the NIC Subnet
169.254.
xxx.xxx
Subnet
Subnet mask 255.255.0.0
NIC 169.254.xxx.xxx
corporate network
with corporate
DHCP server
NIC xxx.xxx.xxx.xxx
Linea GigE Series Camera
169.254.
169.254.
xxx.xxx
169.254.xxx.xxx
Gigabit switch
(default LLA mode)
DALSA DHCP Server enabled
Attached cameras are assigned IP addresses
by the DALSA DHCP server on the NIC Subnet
nnn.nnn.nnn.002
nnn.nnn.nnn.003
xxx.xxx
Subnet
Subnet mask 255.255.255.0
Gigabit switch
DALSA DHCP server mode
NIC
PCI
nnn.nnn.nnn.004
nnn.nnn.nnn.nnn
nnn.nnn.nnn.001
Network Overview & Tools • 103
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