Introduction to Wireshark
Wireshark is one of the most advanced packet capturing software, which makes the life of system/network administrators easy and proves its usefulness among the groups of security evangelists. Wireshark is also called a protocol analyzer, which helps IT professionals in debugging network-level problems. This tool can be of great use to optimize network performance.
Wireshark runs around dissecting network-level packets and showing packet details to concerned users as per their requirement. If you are one of those who deals with packet-level networking everyday, then Wireshark is for you and can be used for multiple troubleshooting purposes.