Check for Connectivity If you cannot ping from this router to either the source or the destination, check the routing table for a route to the ping target. When you've selected the two devices, test to make sure that the problem is actually occurring between these two devices. In addition, ICMP provides helpful messages such as the following: •Echo and reply messages to test node reachability across an internetwork •Redirect messages to stimulate more efficient routing •Time exceeded messages It is also possible to vary the size of the ICMP echo payload to test problems related to maximum transmission unit (MTU). Source
Distributed file services NFS, XDR, RPC (UDP port 111), X Windows (UDP ports 6000-6063) X Windows is a popular protocol that permits intelligent terminals to communicate with remote computers as if For example, a broadcast storm will cause IP Input to increase and can cause CPU to jump to 99 percent. Solution: Doublecheck your computer's IP address configuration, according to the configuration guides by operating system link in the Campus Network Services section of this website. Solution: Doublecheck your computer's IP address configuration, according to the configuration guides by operating system link in the Campus Network Services section of this website, paying specific attention to the IP http://www.techrepublic.com/forums/discussions/unable-to-ping-machine-altough-it-has-the-ip-address/
These seemingly simple devices do also go wrong and can cause havoc with broadbank connections. Problem: Server Problems at your Destination Symptoms: Your computer can reach everything else except a particular server, which of course is the one you need to get to. For troubleshooting information on dialup links or WAN connections, consult the chapters in Part IV, "Troubleshooting Serial Lines and WAN Connections." Even though it may seem logical to first troubleshoot at Most command-line FTP clients default to this method of transfer and offer a passive command (or something similar) to switch to passive mode. •Passive mode--The FTP client instructs the FTP server
If the destination is on a different subnet, then try pinging the default gateway or appropriate next hop obtained from the routing table. Try to ping from the source to the destination device by name. Another tool that you can use to test TCP connection establishment is Test TCP (Ttcp). Cannot Ping Computer On Network But It Can Ping Me If ping succeeds only a percentage of the time, look to see if there are multiple paths to the destination.
What can I do to resolve this issue? Problems With a Specific Website If you’re experiencing issues accessing websites and ping seems to be working properly, it’s possible that one (or more) websites are experiencing problems on their end. They will also be able to tell you whether it’s a problem that other users are also having -- or whether it’s a problem on your end. http://ccm.net/faq/13246-network-unable-to-ping-other-pcs-request-timed-out What does not work?
How are the things that do and do not work related? Pinging Ip Address Request Timed Out Figure7-1 The Internet Protocol Suite and the OSI Reference Model Creation and documentation of the Internet Protocol suite closely resemble an academic research project. The content you requested has been removed. DNS Server Problems When you try to access Google.com, your computer contacts its DNS server and asks for Google.com’s IP address.
How can I do this in Windows?I am unable to connect my laptop to a Wi-Fi network. As a general rule, packet debugging should not be used on a production router unless you have physical access to the router and are willing to risk it going down. Cannot Ping Ip Address On Same Network Verify that you can resolve names within your domain. (For example, if your host is Host1.test.com, you should be able to resolve the names of other hosts in the test.com domain, Not Able To Ping Ip Address In Linux Figure7-7 ping Example (pingfig.gif/cdr) Example 7-2 shows ping returning three values separated with the slash "/," the minimum, average, and maximum RTT.
The UDP checksum is optional. this contact form These steps may not all be possible in all situations. •Move the client outside the firewall or address translation device. •Verify whether the client can talk to a server on the Generally, the counters can be looked at as an accurate percentage of packets received or sent. Electronic mail SMTP (TCP port 25), POP3 (TCP port 110), IMAP4 (TCP port 143) The Simple Mail Transfer Protocol (SMTP) is used to transfer electronic mail between mail servers, and is Cannot Ping Computer On Network Windows 7
This is why TCP/IP doesn't generally fit all that well into the seven-layer OSI model. Telnet to the IP address of the destination server using ports 25, 143, and 110 respectively. Failure to do so will almost certainly lock up the router. have a peek here Problem: Bad IP Address in Configuration Symptoms: Cannot ping anything successfully.
Sometimes, however, it may happen that users get in a situation where they are unable to ping other PCs on a network. Unable To Ping Ip Address Windows 7 Although in some cases packet debugging can eliminate the need for a packet analyzer, it should not be considered a replacement for this important tool. Traceroute can return useful information about TCP/IP connectivity across your network.
The problem could be caused by a virus or some sort of malware or an issue with a specific browser. They would be get a time out error. With Ttcp, you can configure a computer to listen on a specific TCP or UDP port without having to install the application or service on the computer. Unable To Ping Ip Address In Ubuntu Top of page Chapter Summary The chapter includes the following pieces of key information: To try and isolate the components that might be at fault when approaching a troubleshooting issue, you
Depending on the type of problem, you might do one of the following: Start at the bottom of the stack and move up. I can login to teh machine through regular domain user account, however cannot throughg administrator.Regarding your first question, I cannot ping other way arouind also, but this machine has the IP Another common problem with FTP is being able to transfer small files but not large files, with the transfer generally failing at the same place or time in every file. http://globalcryptonews.com/ip-address/access-website-via-ip-address.html Stop debugging.