On SERVER:
# ifconfig
eth0      Link encap:Ethernet  HWaddr F4:CE:46:99:54:85
          inet addr:192.168.100.115  Bcast:192.168.100.255  Mask:255.255.255.0
          inet6 addr: fe80::f6ce:46ff:fe99:5485/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:45866 errors:0 dropped:0 overruns:0 frame:0
          TX packets:522 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:12173809 (11.6 MiB)  TX bytes:74463 (72.7 KiB)
          Interrupt:17


On WORKSTATION:
>ping -n 1 192.168.100.115
Pinging 192.168.100.115 with 32 bytes of data:

Reply from 192.168.100.115: bytes=32 time=113ms TTL=62

Ping statistics for 192.168.100.115:
    Packets: Sent = 1, Received = 1, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 113ms, Maximum = 113ms, Average = 113ms



concurrent On SERVER:
# tcpdump -n -i 1 icmp and host 192.168.101.23
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
17:52:07.477669 IP 192.168.101.23 > 192.168.100.115: ICMP echo request, id 512, seq 24071, length 40
17:52:07.477707 IP 192.168.100.115 > 192.168.101.23: ICMP echo reply, id 512, seq 24071, length 40
17:52:07.477711 IP 192.168.101.23 > 192.168.100.115: ICMP echo request, id 512, seq 24071, length 40
17:52:07.477716 IP 192.168.100.115 > 192.168.101.23: ICMP echo reply, id 512, seq 24071, length 40
17:52:07.477760 IP 192.168.100.115 > 192.168.101.23: ICMP echo reply, id 512, seq 24071, length 40
17:52:07.477762 IP 192.168.100.115 > 192.168.101.23: ICMP echo reply, id 512, seq 24071, length 40


concurrent On WORKSTATION:
>tshark -n -i 2 icmp and host 192.168.100.115
Capturing on Broadcom NetXtreme Gigabit Ethernet Driver (Microsoft's Packet Scheduler)
  0.000000 192.168.101.23 -> 192.168.100.115 ICMP 74 Echo (ping) request  id=0x0200, seq=24071/1886, ttl=128
  0.113320 192.168.100.115 -> 192.168.101.23 ICMP 74 Echo (ping) reply    id=0x0200, seq=24071/1886, ttl=62
  0.113540 192.168.100.115 -> 192.168.101.23 ICMP 74 Echo (ping) reply    id=0x0200, seq=24071/1886, ttl=62