Linux : tcpdump

# tcpdump -D
1.eth0
2.nflog (Linux netfilter log (NFLOG) interface)
3.nfqueue (Linux netfilter queue (NFQUEUE) interface)
4.usbmon1 (USB bus number 1)
5.eth2
6.usbmon2 (USB bus number 2)
7.usbmon3 (USB bus number 3)
8.usbmon4 (USB bus number 4)
9.usbmon5 (USB bus number 5)
10.usbmon6 (USB bus number 6)
11.any (Pseudo-device that captures on all interfaces)
12.lo

Now we ping from server A to server B
On Server A :

# ping (IP of server B)

On Server A :

# tcpdump -i 5 host (IP of server A) and (IP of server B)
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth2, link-type EN10MB (Ethernet), capture size 65535 bytes
17:18:34.267810 (IP ServerA) > (IP of server B) : ICMP echo request, id 29773, seq 86, length 64
17:18:34.268159 IP (IP of server B) > (Server A): ICMP echo reply, id 29773, seq 86, length 64