Data Fields | |
| u_char | bp_op |
| Packet opcode type: 1=request, 2=reply. | |
| u_char | bp_htype |
| Hardware address type: 1=Ethernet. | |
| u_char | bp_hlen |
| Hardware address length: 6 for Ethernet. | |
| u_char | bp_hops |
| Gateway hops. | |
| u_long | bp_xid |
| Transaction ID. | |
| u_short | bp_secs |
| Seconds since boot began. | |
| u_short | bp_flags |
| RFC1532 broadcast, etc. | |
| u_long | bp_ciaddr |
| Client IP address. | |
| u_long | bp_yiaddr |
| 'Your' IP address | |
| u_long | bp_siaddr |
| Server IP address. | |
| u_long | bp_giaddr |
| Gateway IP address. | |
| u_char | bp_chaddr [16] |
| Client hardware address. | |
| char | bp_sname [64] |
| Server host name. | |
| char | bp_file [128] |
| Boot file name. | |
| u_char | bp_options [312] |
| Vendor-specific area. | |