Theres probably something wrong with the cable wire, or the firewall is turned on and a very strict Network security program was installed.
Another answer is the traffic. There may be to much network traffic that the packets sent might be preempted in the process.
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Firewalls prevent pings sometimes, especially Windows Firewall.
Are they on the same switch or different switch?
Is there a router / firewall / bridge between the switches?
Are you sure it's a switch and not a hub?
Please note that to get a reply for a ping, data needs to move in BOTH directions. If you don't get a REPLY to your ping, several things may be wrong:* The ping doesn't reach the destination computer
* The destination computer is set up to ignore pings
* The ping-reply from the destination can't get back to you
Causes for the first and third point may include problems with the physical connection, problems with the default gateway on the computers, routing problems, rules such as ACLs that block specific types of messages.
Switch Power off, Wrong cable (needs straight through cable), network traffic, wrong IP address
ping is the easiest.
On Windows you go to Start > Run > Type "cmd" without the quotes ENTER type "ping ", followed by the IP address of the server you want to ping. ex. "ping www.google.be" ENTER The response time is your ping. (basically it's a measurement of time needed to send a signal between your PC & another PC or device.)
I believe you are talking about the "PING" command. Open a "command" prompt and type ping/? it will give you all the parameters.
The network command 'ping' issues a series of standard, small messages to the destination network address specified by the user. For example: ping 192.168.0.1 This command will send a number of 'ping' messages to the computer on the network with IP address 192.168.0.1 Upon receiving these messages, the destination machine will echo the same message back to the sender. This is used as a simple check of the network connectivity between the two computers on the network. Since an unreachable address will result in no message being returned, the sending machine must know how long to wait before considering the message lost. This time is known as the 'timeout'. By default, it is 1000 millisecond (1 second) but it can be set to any time by the user with the '-w' option. For example: ping -w 2000 192.168.0.1 This will cause the ping program to wait for two seconds before considering a ping packet lost.
The ping 127.0.0.1 has host name Loopback, and is used to ping your server to verify software. On the command prompt, the technician would type, PING '127.0.0.1' or PING LOOPBACK.