IPCONFIG - How to
Change "Unidentified Network"
network location from public to private
How can I find a NIC MAC
address
How do I find my
public or router IP address
How to Configure Windows SNMP
How to
display the TCP/IP settings of all LAN connections
How to find an IP address from
Mac address
How
to use netsh command change from DHCP to a static address
How
to use netsh command change from a static address to DHCP
How to enable IP
routing
How to find the
details of a network connection on XP
How to find my public IP
How to find IP
How to find Mac address
How to fix corrupted IP
Configuration
How to fix the Node Type as
Unknown
Given an IP address how to find computer name
How to identify the host with
IP
How to setup multiple IPs on NIC
How to setup two IPs on a
computer
How to use MS DHCP to
reserve an IP on MAC
How to use TCP/IP
without installing a NIC
Port How to
How can I find a NIC MAC
address?
Use ipconfig /all.
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contact consultant
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How do I find my public
or router IP address
You can find your public or router ip on
http://www.whatismyip.com,
http://www.showmyipeurope.com,
http://www.showmyip.com/.
How to
display the TCP/IP settings of all LAN connections
Netsh interface ip show config
How to
use netsh command change from DHCP to a static address
netsh interface ip set address
"ChicagoTech LAN1" static ipaddr subnetmask gateway metric
How to
use netsh command change from a static address to DHCP
netsh interface ip set address
"ChicagoTech LAN1" dhcp
How to enable
IP routing
To enable IP routing on W2K/XP, go to the properties of the
connection>TCP/IP>Advanced>Options>IP Filtering, check Enable IP Filtering.
How to find the
details of a network connection on XP
1. Double-click the connection icon, and then select Support. It will show
the connection IP address, subnet mask, and default gateway. If you click
Details tab, you see more details such as Physical Address, DHCP, DNS and
WINS. If you are experiencing some difficulty with TCP/IP, you can click
Repair tab to fix the problem.
2. Another way to find the TCP/IP information is selecting the connection
icon, and then click the Details section in the left pane.
3. Or you can use ipconfig /all command to find the TCP/IP settings.
How to find my
public IP
Doesn't matter you are using public IP or private IP, you can open
http://www.chicagotech.net
or http://www.ms-mvos.com to find your
public ip (it lists the IP on the right of the top).
To fix a
corrupted IP Configuration,
1) for Win9x, NT, ME and W2K, you may want to remove and re-install TCP/IP.
2) If it is win9x, you may try to run
c:\windows\ws2bakup\ws2bakup.bat to restore the original settings.
3) If you get "DHCP server unreachable" while using ipconfig /renew, you may
want to update the network card drive or go to NIC configuration to change the
media type matching the speed.
4) For XP, you can't uninstall TCP/IP (Uninstall is grayed out). You will use
the Windows XP command line utility netsh.exe to reset all IP-related Registry
settings to their default values. To do that, enter the command: netsh int
ip reset filename, for example, netsh int ip reset ipreset.txt.
Symptom: When you use the Ipconfig
/all command to show the TCP/IP
configurations on your computer, the node type may appear as "unknown."
Resolution: This issue can occur if the
EnableProxy key in the registry is set to bigger than 1.. To fix
this issue, run Regedit and go to
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Netbt\Parameters\
Change the value of the EnableProxy value in the
preceding registry key to 0 or 1, and then renew ip.
How to
identify the host with IP
1. If you have w2k/xp, do ping -a ip.
2. Use tracert ip.
3. Use nbtstat -a ip.
For example, to ping 192.168.0.1 to 192.168.0.255, use "FOR /L %i IN
(1,1,255) DO ping -a 192.168.0.%i" command. Note: (1,1,255) - (start, step,
end) and %i is the variable.
How to
setup multiple IPs on NIC
Q: I have a windows server with just one NIC and have multiple public IPs
for different websites. Can I have multiple IPs on one NIC?
A: Yes, the Properties of the NIC>Properties of TCP/IP>Advanced, add
additional IPs. Note: To setup mutiple IP addresses on one NIC, you must
disable DHCP on the computer.
How to setup two IPs on a
computer
Q: I have a laptop at the office and home. How
can I configure TCP/IP for the office and home.
A: You may have two options. 1) if one of
networks uses DHCP and another one use static IP, you can select Alternative Configuration
under the Properties of TCP/IP to add another
static IP. Note: You can have only one static IP. The computer will try to get
an address from a DHCP server first. If it fails, it will use the static IP.
2) Or run netsh.exe (from w2k Resource kits) if both networks use static IPs.
How to use MS DHCP to
reserve an IP on MAC
Open DHCP>Server name>Scope Server Name Scope, right-click Reservation>New
Reservation. Type Reservation name, IP, MAC address and then click Add.
How to use TCP/IP without
installing a NIC
Symptoms: you don't have a NIC in your computer but would like to test the
TCP/IP or a software need to run TCP/IP
MS provide a loopback adapter that can be used for the testing of TCP/IP.
To install the loopback adapter on NT and win9x, go to Network Control applet,
to add MS Loopback Adapter. For w2k/xp, go to
Add/Remove Hardware>Add/Troubleshoot
a device>Add a new device, select "No, I want to select the hardware from a
list". Click Network
adapters>Network adapters>Manufacturers>Microsoft>Network
Adapter>Microsoft Loopback Adapter. Note: After the adapter is installed
successfully, you can configure its options manually, as with any other
adapter. Note that if the TCP/IP properties are configured to use DHCP (the
default), the adapter will eventually use an autonet address (169.254.x.x/16)
because it is not actually connected to any physical media.
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