[root@study-node1 ~]# tcpdump -lnpei eth0
tcpdump: WARNING: eth0: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
13:53:10.940398 fa:16:3e:11:4f:3d > Broadcast, ethertype 802.1Q (0x8100), length 326: vlan 2001, p 0, ethertype IPv4, 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:11:4f:3d, length 280
13:53:13.946847 fa:16:3e:11:4f:3d > Broadcast, ethertype 802.1Q (0x8100), length 326: vlan 2001, p 0, ethertype IPv4, 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:11:4f:3d, length 280
13:53:30.069617 00:50:56:98:8e:a8 > Broadcast, ethertype 802.1Q (0x8100), length 64: vlan 2002, p 0, ethertype ARP, Request who-has 10.2.57.104 tell 10.2.57.102, length 46
13:53:30.069636 00:50:56:98:8e:a8 > Broadcast, ethertype 802.1Q (0x8100), length 64: vlan 2002, p 0, ethertype ARP, Request who-has 10.2.57.104 tell 10.2.57.102, length 46
13:53:36.980806 fa:16:3e:11:4f:3d > Broadcast, ethertype 802.1Q (0x8100), length 326: vlan 2001, p 0, ethertype IPv4, 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:11:4f:3d, length 280
13:53:39.987263 fa:16:3e:11:4f:3d > Broadcast, ethertype 802.1Q (0x8100), length 326: vlan 2001, p 0, ethertype IPv4, 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:11:4f:3d, length 280
13:53:40.058949 00:50:56:98:8d:78 > Broadcast, ethertype 802.1Q (0x8100), length 64: vlan 2002, p 0, ethertype ARP, Request who-has 10.2.57.104 tell 10.2.57.103, length 46
13:53:40.058969 00:50:56:98:8d:78 > Broadcast, ethertype 802.1Q (0x8100), length 64: vlan 2002, p 0, ethertype ARP, Request who-has 10.2.57.104 tell 10.2.57.103, length 46
13:53:42.995001 fa:16:3e:11:4f:3d > Broadcast, ethertype 802.1Q (0x8100), length 326: vlan 2001, p 0, ethertype IPv4, 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:11:4f:3d, length 280
^C
9 packets captured
9 packets received by filter
0 packets dropped by kernel
[root@study-node1 ~]#