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This how to connect to the mail server using PING
PING - your server using
Window's
2000,NT,XP
PING - your server using Window's
Win95,98,Me
Example: 2. This will start the ping program. This program will ping the server specified. The -t option after the ping specifies that the server is to be repeatedly pinged until the program is terminated. 3. You will see a series of similar text lines appearing one after the other. The number after time= is the amount of time taken to send a request to the server and receive a reply from it.. 4. If you ping another server that is not of your own ISP, the ping time is usually slower and would return a ping time of 150-200 milliseconds (or less) You should normally get better ping times if your ping the server of your ISP in the region of 282-314 milliseconds. When you ping your server and then other server you will have a good indicator of how fast your connection is. 5. To notify the server that you are constantly connected after you have ping your server, (a) minimize your DOS box (do not close it) and continue to surf or download as normal. This should keep you connected until you decide to terminate ping. 6. When you are finished "maximize" your DOS box, type Ctrl-C to terminate the ping program.
For more info on Ping? www.freesoft.org/CIE/Topics/53.htm |
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Simple Network
Troubleshooting I know that working from the command line can be intimidating to those of us who have always had a nice graphical interface to use. I am convinced, however, once you see how easy to use and effective the following tools are, you will be hooked. Even if you are an old pro, read on. You may find a use for one of these tools that you had not before considered. The simplest of these tools is the ping utility. Ping is used to see if another IP address is valid and reachable. What ping does is to send a packet to the specified address and wait for it to return. During the interim, the elapsed time is recorded and reported if the packet successfully reaches its destination and an acknowledgement is returned. If, after a predetermined time, the packet does not return the ping command will return with "destination host unreachable". In Windows, ping will repeat this process four times, reporting its results as it goes. Linux/Unix/BSD machines will repeat the process until you stop it by pressing "ctrl" and "c" simultaneously. The syntax is straightforward, simply type "ping w.x.y.z" (where w.x.y.z is the IP address of the machine that you are trying to reach). If you have a protocol installed that supports it, you can also ping by NetBIOS name or DNS name. You can type "ping /?" to get a list of useful switches when it is being used under Windows. You can get similar information for *nix/*BSD by typing "man ping". One of the most useful switches for ping when it is run
under Windows is "ping -a w.x.y.z" . This will return the full DNS name of the
target host, if it is available, in addition to the information that is
normally returned. To do the same thing with a *nix machine, all that you have
to do is use the "host" command. To use host simply enter "host w.x.y.z". You can also
use a port scanner, although that is outside the realm of this article. If you
are interested in port scanners, be sure to have a look at this article...(see
below) traceroute
OK, let's say you couldn't ping your destination host and you did not know what your local IP address is, to ping it. You can find out some very important information about your local machine using ipconfig (or ifconfig for you *nix/*BSD people). This will tell you the DNS name of the machine that you are using along with the MAC (Media Access Control) and IP address for all network adapters on your machine.
These tools will also provide some other useful information. If you do not see
any evidence of a NIC you will have a pretty good idea that it is not
installed properly. If any network adapters have an IP address of 0.0.0.0 (or
169.254.X.X on Windows 2000 machines) you will know that your machine is
configured incorrectly and simply need to reconfigure TCP/IP. On a Windows
machine you can find a little more information by following the ipconfig
command with the "/all" switch. Ipconfig and ifconfig can do much more than
just tell you information about your local machine; however that is a bit
beyond the scope of this article. For Windows users, you can learn more by
using the "/?" switch while you Linux/Unix people will have to read the man
pages (man ifconfig) or, depending on your distribution, you may find out more
with the --help switch.
In small networks that do not use dynamic IP addressing schemes you can print
out these text files and tape them inside the case of each machine on the
network. This is helpful in the event that you have problems in the future;
you will have a handy reference at your disposal. Article Reprint from: DevWebPro is an iEntry, Inc. publication -- www.//iEntry.com © 2002 iEntry, Inc. All Rights Reserved |
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