[ root@cpu-sys0-sp01]$ tcpdump -i eth0 port 67 or port 68 -e -n -vv
tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
11:50:13.340432 08:00:56:00:46:86 > ff:ff:ff:ff:ff:ff, ethertype IPv4 (0x0800), length 302: (tos 0x0, ttl 32, id 4916, offset 0, flags [DF], proto UDP (17), length 288)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 08:00:56:00:46:86, length 260, xid 0x76d, Flags [none] (0x0800)
Client-Ethernet-Address 08:00:56:00:46:86
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Request
Requested-IP Option 50, length 4: 192.168.1.16
Server-ID Option 54, length 4: 0.0.0.0
11:50:13.340601 74:fe:48:28:ba:5f > 08:00:56:00:46:86, ethertype IPv4 (0x0800), length 342: (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
192.168.1.1.67 > 192.168.1.16.68: [udp sum ok] BOOTP/DHCP, Reply, length 300, xid 0x76d, Flags [none] (0x0800)
Your-IP 192.168.1.16
Client-Ethernet-Address 08:00:56:00:46:86