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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 ping on the entire subnet
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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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).

How to fix corrupted IP Configuration

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.

How to fix  the Node Type as Unknown

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.

How to ping on the entire subnet

 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.

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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