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USER’S GUIDE
Battery Management System
102
DHCP & BOOTP boot process
When Boot mode is set to its default DHCP & BOOTP setting, the
following occurs when the Management Card is turned on or reset:
1. The Management Card makes up to five requests for its network
assignment from any BOOTP server. If a valid BOOTP response is
received, the Management Card starts the network services and sets
Boot mode to BOOTP Only.
2. If the Management Card fails to receive a valid BOOTP response after
five BOOTP requests, the Management Card makes up to five
requests for its network assignment from any DHCP server. If a valid
DHCP response is received, the Management Card starts the network
services and sets Boot mode to DHCP Only.
3. If the Management Card fails to receive a valid DHCP response after
five DHCP requests, it repeats sending BOOTP and DHCP requests
until it receives a valid network assignment: first it sends a BOOTP
request every 32 seconds for 12 minutes, then it sends one DHCP
request with a time-out of 64 seconds, and so forth.
To configure the Management Card that the Battery
Management System master controller contains so that it
always uses the DHCP & BOOTP setting for Boot mode,
enable the option Remain in DHCP & BOOTP mode after
accepting TCP/IP settings, which is disabled by default.
See Management Card settings.