He troubleshoot company network, gives IP addresses configures NIC network

Answer 1

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.