He troubleshoot company network, gives IP addresses configures NIC network

To troubleshoot a company network and configure the NIC (Network Interface Card) with IP addresses, follow these steps:

1. Identify the issue: Start by understanding the problem reported by the users or monitoring network alerts. Determine if it's a connectivity issue, slow performance, or any other network-related problem.

2. Gather information: Collect details about the network setup, such as IP address ranges, subnet masks, gateway addresses, DNS server addresses, and any other relevant information.

3. Check connectivity: Verify physical connectivity by ensuring that network cables are properly connected and network devices are powered on. Make sure there are no loose connections or damaged cables.

4. Test IP address configuration: Use the "ipconfig" command in Windows or "ifconfig" command in Linux to check the current IP address, subnet mask, gateway, and DNS settings on the NIC. Verify if the IP address is within the correct range and subnet.

5. Verify DNS settings: Check if the DNS server addresses configured on the NIC are correct. Ensure that DNS servers are reachable and functioning correctly by pinging them.

6. Reset TCP/IP Stack: In case of persistent connectivity issues, reset the TCP/IP stack using the "netsh int ip reset" command (Windows) or "sudo service network-manager restart" command (Linux). Reboot the system after executing the command.

7. Check for IP conflicts: Ensure that no other device on the network has the same IP address. IP conflicts can cause network connectivity problems. Use tools like IP Scanner to identify any conflicting IP addresses.

8. Configure IP address manually: If necessary, configure the NIC manually with a specific IP address, subnet mask, gateway, and DNS server addresses. Use the network settings provided by the network administrator or follow the company's network configuration guidelines.

9. Test network connectivity: After configuring the NIC with the correct IP address, perform a ping test to check if the NIC can communicate with other devices on the network. Ping the default gateway, DNS servers, and other devices to verify connectivity.

10. Monitor network performance: Keep an eye on the network performance after troubleshooting and network configuration. Ensure that all critical services and applications are working seamlessly without any issues.

Remember, network troubleshooting may require additional steps depending on the specific problem and network setup. It's essential to follow best practices and seek assistance from network administrators or IT support if needed.

To troubleshoot a company network, configure IP addresses, and configure the NIC network, follow the step-by-step guide below:

1. Identify the issue:
- Consult with users or IT staff to understand the specific problem.
- Determine if the issue is affecting the entire network or specific devices.

2. Verify physical connections:
- Check all physical connections between devices, such as routers, switches, and computers.
- Ensure all cables are properly plugged in and secure.

3. Restart network devices:
- Power cycle the network devices, starting with the modem, router, and switches.
- Turn off each device, wait for a few seconds, and then turn them back on.

4. Check network configuration:
- Access the router's web-based administration interface.
- Ensure that the router settings are correctly configured, including the network address, subnet mask, and gateway.

5. Troubleshoot network connectivity:
- Use the command prompt to ping specific IP addresses or domain names to test network connectivity.
- Ping the router, local devices, and external sources (e.g., Google DNS: 8.8.8.8) to identify where the connection issue arises.

6. Reconfigure NIC (Network Interface Card):
- Open the Control Panel on the computer experiencing the issue.
- Go to Network and Internet > Network and Sharing Center.
- Click on Change adapter settings.
- Right-click on the Ethernet or Wi-Fi adapter that is experiencing the problem and select Properties.
- Select Internet Protocol Version 4 (TCP/IPv4) and click on Properties.
- Choose "Obtain an IP address automatically" if using DHCP, or manually enter the IP address, subnet mask, default gateway, and DNS server if they are provided.

7. Release and renew IP addresses:
- Open the command prompt as an administrator.
- Type "ipconfig /release" and press Enter to release the current IP address.
- Type "ipconfig /renew" and press Enter to obtain a new IP address from the DHCP server.

8. Update network drivers:
- Visit the manufacturer's website to download the latest drivers for the NIC.
- Install the newly downloaded drivers and restart the computer if prompted.

9. Test network connectivity:
- Ping various devices and external sources again to verify that the network issue has been resolved.
- Verify that all network services, applications, and internet browsing are functioning correctly.

10. Document the resolution:
- Keep a record of the troubleshooting steps taken and the solutions implemented.
- Document any changes made to the network configuration for future reference.

Remember, network troubleshooting can be complex, and it is recommended to involve a professional IT technician if you are unsure or unable to solve the issue.