Tools for monitoring, troubleshooting, configuring, and optimizing networks:

 


1. Network Monitoring Tools
Wireshark: A packet analyzer for network protocol analysis and troubleshooting.
Nagios: Monitors network systems, devices, and applications.
SolarWinds Network Performance Monitor: Offers in-depth performance monitoring and alerts.
PRTG Network Monitor: All-in-one network monitoring software.
Zabbix: Open-source tool for monitoring network performance and services.

2. Configuration and Management Tools
Cisco Network Assistant: For configuring Cisco devices.
PuTTY: A terminal emulator for managing routers, switches, and servers via SSH or Telnet.
Ansible: Automation tool for managing network configurations.
NetFlow Analyzer: Analyzes and optimizes network traffic flows.

3. Network Security Tools
Nmap (Network Mapper): Scans and maps network topology, identifies vulnerabilities.
Snort: Open-source intrusion detection and prevention system.
OpenVAS: A vulnerability scanner for assessing network security.
Wireshark: Also doubles as a security tool for analyzing suspicious traffic.

4. Troubleshooting Tools
Ping: Tests connectivity between devices.
Traceroute/Tracert: Tracks the path packets take to a destination.
IPerf: Measures network bandwidth and performance.
Netcat (NC): Debugs and investigates network connections.

5. Wireless Network Tools
Acrylic Wi-Fi Analyzer: Assesses Wi-Fi signal strength and interference.
Ekahau HeatMapper: Maps Wi-Fi coverage and signal strength.
NetSpot: For site surveys and troubleshooting wireless networks.

6. Packet Sniffers and Analyzers
Tcpdump: Command-line packet analyzer.
Wireshark: For advanced packet-level troubleshooting.
Colasoft Capsa: A packet sniffer and analyzer.

7. Network Simulation and Emulation Tools
GNS3: Simulates complex network configurations.
Cisco Packet Tracer: Ideal for learning and simulating Cisco networks.
EVE-NG (Emulated Virtual Environment): Creates virtual labs for networking professionals.

8. DNS and IP Tools
nslookup/dig: DNS lookup tools for diagnosing issues.
IP Scanner (e.g., Angry IP Scanner): Scans IP addresses and devices on the network.
WHOIS Lookup: For identifying domain and IP ownership.

9. Cloud and Remote Networking Tools
OpenVPN: For setting up virtual private networks (VPNs).
Remote Desktop Tools (e.g., TeamViewer, AnyDesk): Manage remote devices and networks.
AWS CloudWatch: For monitoring cloud-based networks.

10. Automation and Scripting
Python: Often used with libraries like Paramiko or Netmiko for automating network tasks.
PowerShell: Used for automating tasks in Windows-based networks.
Bash Scripts: For automating tasks in Linux-based networks

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