If you get the reply from the server then the
connectivity is ok and if you get the error message like this “Request time
out” this means the there is some problem in the connectivity with the server.
IPCONFIG
IPconfig is another important command in Windows. It shows the IP address of
the computer and also it shows the DNS, DHCP, Gateway addresses of the network
and subnet mask.
At DOS prompt type ipconfig and press enter to see the IP address of your
computer.
At DOS prompt type inconfig/all and press enter to see the detailed
information.
NSLOOKUP
NSLOOKUP is a TCP/IP based command and it checks domain name aliases, DNS
records, operating system information by sending query to the Internet Domain
Name Servers. You can resolve the errors with the DNS of your network server
HOSTNAME
Hostname command shows you the computer name.
At DOS prompt type Hostname and press enter
NETSTAT
NETSTAT utility shows the protocols statistics and the current established
TCP/IP connections in the computer.
NBTSTAT
NBTSTAT helps to troubleshoot the NETBIOS name resolutions problems.
ARP
ARP displays and modifies IP to Physical address translation table that is
used by the ARP protocols.
FINGER
Finger command is used to retrieve the information about a user on a network.
TRACERT
Tracert command is used to determine the path of the remote system. This tool
also provides the number of hops and the IP address of each hop. For example
if you want to see that how many hops (routers) are involved to reach
www.yahoo.com and what’s the IP address of each hop then use the following
command.
At command prompt type tracert www.yahoo.com you will see a list of all the
hops and their IP addresses.
TRACEROUTE
Traceroute is a very useful network debugging command and it is used in
locating the server that is slowing down the transmission on the internet and
it also shows the route between the two systems.
ROUTE
Route command allows you to make manual entries in the routing table.
Hopefully the above mentioned commands will help you to diagnose the
troubleshooting your computer networking problems.