Protocol Specification - 3Com 4200G 12-Port Configuration Manual

siaddr: IP address of the DHCP server.
giaddr: IP address of the first DHCP relay agent that the DHCP client passes after it sent the
request packet.
chaddr: Hardware address of the DHCP client.
sname: Name of the DHCP server.
file: Path and name of the boot configuration file that the DHCP server specifies for the DHCP
client.
option: Optional variable-length fields, including packet type, valid lease time, IP address of a DNS
server, and IP address of the WINS server.

Protocol Specification

Protocol specifications related to DHCP include:
RFC2131: Dynamic Host Configuration Protocol
RFC2132: DHCP Options and BOOTP Vendor Extensions
RFC1542: Clarifications and Extensions for the Bootstrap Protocol
RFC3046: DHCP Relay Agent Information option
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