Network issues are the problems that affect a network’s performance reliability or security, and it causes to loss of productivity for users and businesses. It can lead to business loss and productivity loss. Ultimately leading to financial loss. There are some common network issues and solutions for it.
Below are different types of network issues faced by customers and resolving methods.
Common network issues and solutions
When we talk about Common network issues and solutions, the number is vast. We have included some of the issues and solutions which are common but have huge effect on the daily work.when two or more devices have the same IP address is known as IP Address conflict. Every device has a unique IP in a network for communicating with each other, it should be Laptop, Camera, PC, IP Phone or any other network Devices. A router/Firewall/L3 Switch/DHCP Server is responsible for assigning IP Address in a network
- IP Address Conflict: – when two or more devices have the same IP address is known as IP Address conflict. Every device has a unique IP in a network for communicating with each other, it should be Laptop, Camera, PC, IP Phone or any other network Devices. A router/Firewall/L3 Switch/DHCP Server is responsible for assigning IP Address in a network
Issues
- Network Disruption
- Communication Issues
- Network Instability
- Security Risk
Resolving Methods
- Always maintain proper IP allocation practices, such as reserving IPs in DHCP for critical devices or segregating static and dynamic Ranges
- In Windows Laptop / PC (open command prompt in windows search and type “ ipconfig/release “ and after that “ipconfig/renew” this command will help to release the old IP address and will get a new IP address
- If you have a Router / Firewall, Login into the device with admin credentials and go to network and DHCP Server and remove or revoke the conflicted IP Address
- Adject the DHCP Server lease time
2. DNS Issues: – DNS or Domain Name System is a directory for the internet that links domain names with IP addresses
Issues
- Unable to access websites
- Slow browsing
- Email issues
- Intermittent Connectivity
- High Latency
Resolving Methods
- Flush DNS Cache (open command prompt in windows search then type “ipconfig/flushdns” then click enter )
- Update network Drivers or re-install
- Restart Router/Firewall/ISP Devices
- Check Firewall Settings
- Switch DNS Server to 8.8.8.8 and 8.8.4.4 (Google)
3. FortiClient VPN installation issue: – While configuring VPN in FortiClient VPN software , some Laptops will not respond and are unable to connect to VPN.
Issue
- Error “code execution cannot proceed because mfc140.dll was not found
Resolving method
- Download Visual C++ Redistributable Package from Microsoft and install and run
4. Rouge DHCP Server :- A rouge DHCP server is an unauthorized server on network that assigns IP Addresses to devices
Issues
- IP Conflict
- Connectivity Issues
- Network instability
- Security risk
Resolving methods
- Identify the Rogue DHCP Server and disconnect from the network
- There are several ways to detect a rouge server. The common method is Find the workstation is having the issues connecting to network resources and check the device IP Address and if the IP Address is in different scope find out the gateway using any IP Scanner software and note the MAC address then Login to the Network switch and Disable Port which is allocated to the Gateway or Physically remove the cable from the Switch
- Disable DHCP Server in your main Router/Firewall. Now only the Rouge server is connected in your network. now simply connect your Laptop in Switch with a Lan Cable now you can find the IP Address of Rouge DHCP Server
- Configure DHCP Snooping and enable STP on Managed Switches
- Enable required ports only
- Configure Vlan Segregation
Conclusion
In conclusion, these issues even though create big chaos, there is always a solution at the right place. We at FSI have network experts to solve all the issues. We have included some of the network issues in this article but there are many more which also have a solution. Common network issues and solutions are basic part of IT Support. You just need to contact the right IT Service provider in Dubai. We provide IT AMC in Dubai under which we manage the IT assets and take preventive measures to have minimum system downtime. you may also want to know about network solutions.