VTI Instruments Corp.
70 EX1629 Web Page Operation
To illustrate the AutoIP mechanism, Table 5-1 lists the AutoIP default address for some example
MAC addresses.
TABLE 5-1: AUTOIP DEFAULT ADDRESS ASSIGNMENT
If a static IP address assignment is preferred, one can be optionally assigned via the embedded
web page interface. This is done by clicking the Network Configuration link, disabling DHCP
and AutoIP, enabling Static, and then assigning a static IP address, subnet mask, and gateway
address, and, optionally up to three DNS servers (see Figure 5-3).
NOTE The 169.254/16 subnet is reserved by the IANA for AutoIP usage. It should not be used for either
DHCP or static IP configurations.
FIGURE 5-3: EX1629 NETWORK CONFIGURATION
However, a much more convenient and recommended way to obtain the benefits of a static IP
address is to employ DHCP, but assign the instrument a reserved IP address in your company’s
DHCP server configuration. This reserved address, linked to the EX1629’s MAC address on the
DHCP server, would be assigned to the EX1629 at power up initialization without having to
manually set it on the EX1629. The DHCP server configuration provides a centralized, controlled
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