How to troubleshoot issues with tcpdump basics?

Learn the basics of using tcpdump for troubleshooting network issues. This guide covers common commands, filters, and examples to help you identify and resolve problems in your network traffic.

tcpdump, network troubleshooting, packet analysis, network traffic, command line tools

# Example tcpdump command to capture traffic on eth0 interface
tcpdump -i eth0 -nn -s 0 -v

# This command includes:
# -i eth0: Specifies the network interface to listen on
# -nn: Disables DNS resolution to show IP addresses
# -s 0: Captures whole packets
# -v: Enables verbose output
    

tcpdump network troubleshooting packet analysis network traffic command line tools