BOOTP的格式 http://www.360doc.com/content/11/1213/23/7775902_172078631.shtml

ff ff ff ff ff ff 目的et_dest

0 d0 d0 0 22 11 et_src
8 0 et_protlen

45 ip_hl_v
0 ip_tos
1 48 ip_len
0 0 ip_id
40 0 ip_off

ff ip_ttl
11 ip_p
7a a5 ip_sum
0 0 0 0 ip_src
ff ff ff ff ip_dst

4 2c 源端口
4 2b 目的端口

1 34 长度
0 0 checksum

bootp
1 bp_op
1 bp_htype
6 bp_hlen
0 bp_hops

d0 2 5 be bp_id
0 0 bp_secs
0 4 bp_spare1
0 0 0 0 bp_ciaddr
0 0 0 0 bp_yiaddr
0 0 0 0 bp_siaddr
0 0 0 0 bp_giaddr

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 bp_chaddr

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 bp_sname
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 bp_sname
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

63 82 53 63 1 0 4 0 47 54 43 4f
52 0 0 0 0 cd 0 aa 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
0 0 0 0 0 ff