This time around, simply press Ctrl + T to start the terminal. copy and paste the last few lines after it is done will look like this... Ping statistics for 184.108.40.206: Packets: Sent = 100, Received = 100, Lost = 0 (0% loss… I had to reinstall traceroute only then it worked. LAN connected at 100 Mbps BUT cannot access Internet! 3 packets transmitted, 0 packets received, 100% packet loss [root@esxi_host:~] ping google.com. If the specific connection between the pinging device and the target is functioning correctly, you should see 0% packet loss. xxxx@xxxx:~$ ping -c 4 microsoft.com PING microsoft.com (220.127.116.11) 56(84) bytes of data. 3 packets transmitted, 0 received, 100% packet loss, time 2183ms As you see above 3 packets made an attempt to send an icmp request to 192.168.1.0/24 but as it says “operation not permitted” [root@test1 ~]# iptables -v -L Pinging 18.104.22.168 and had 100% packet loss; this was suggested in another thread. Look to see if there was any packet loss. ^C --- fakeaddress.com ping statistics --- 9 packets transmitted, 0 received, 100% packet loss, time 8039ms With the first example of a bad response, the "fakeasdf.com" is an unknown address (does not exist) and, therefore, could not start the ping. The same command can be used in Linux. The report might look like this: --- 127.0.0.1 ping statistics ---27 packets transmitted, 27 packets received, 0.0% packet loss 4 packets transmitted, 0 packets received, +3 errors, 100% packet loss when I try a ping again, ping -I eth1 192.168.202.204 PING 192.168.202.204 (192.168.202.204) from 192.168.202.203 eth1: 56(84) bytes of data.--- 192.168.202.204 ping statistics ---2 packets transmitted, 0 packets received, 100% packet loss [root@localhost root]# ifconfig eth1 Ping 127.0.0.1: Linux Packet Loss. Windows XP HP desktop; Belkin N Router; Optimum Cablevision - Modem Scientic Atlanta "Webstar" … 5 packets transmitted, 0 packets received, 100% packet loss juniper@R2> The more detail,you can see the log which I uploaded,thank you. 38 packets transmitted, 0 received, 100% packet loss, time 36999ms I checked rc.conf and ran /sbin/ifconfig: all the details are correct, and the network is being detected correctly. PING www.1.google.com (22.214.171.124) 56(84) bytes of data. 10 packets transmitted, 0 packets received, 100.0% packet loss So – with my limited IT knowledge, I am assuming this means the issue is with my ISP? when that is done (should take 5 minutes) if it says you have packet loss we can trouble shoot further. Microsoft is an example. 3 packets transmitted, 0 packets received, 100% packet loss round-trip (msec) min/avg/max = <1/<1/<1 Then I went to the upstream switch and it was able to ping the LBlock switch. Thank you. User #80681 30772 posts The system will give you a report on how many packets were transmitted, how many were received, and the percentage of packet loss … (Why I must use 1500bytes?the answer is :this is the testing which my client ask for,thank you) BR. If you mean packet loss as reported by ping, then simply blocking ICMP packets can do that, while other services will work fine. PING google.com (126.96.36.199): 56 data bytes--- google.com ping statistics ---3 packets transmitted, 0 packets received, 100% packet loss Can you give me an idea why I cannot reach the Internet from the ESXi host? --- microsoft.com ping statistics --- 4 packets transmitted, 0 received, 100% packet loss, time 3022ms I've tried other hosts as well.