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Black Box Console Server user guide 35
About DHCP
You can use DHCP to perform the following actions on a single or multiple Console
Server (the ‘unit(s)’)s on its/their boot-up:
auto-configure with minimal information; e.g. only an ip address
auto-configure with basic setup information (ip address, subnet mask, broadcast
address, etc.)
download a new version of software
download a full configuration profile (saved from another unit)
DHCP is particularly useful for multiple installations: you can do all the unit’s
configuration in one DHCP file, rather than configure each unit manually.
Another advantage of DHCP is that you can connect a unit to the network, turn on its
power and let auto-configuration take place. All the configuration is carried out for you
during the DHCP process.
The the unit’s implementation of DHCP is compatible with RFC 951.
On bootup or power-up, the unit will send a broadcast request to the DHCP server(s) on
the network. The request contains the ethernet address of the unit; it asks for network
configuration details (internet address, subnet mask, etc.). This process is shown in
DHCP request and response on page 35.
You can stop the DHCP server from replying to the unit; see Appendix F BOOTP
DHCP
request and
response