pcapmirror ☆

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Description:
Tool for capturing network traffic on remote host using TZSP or ERSPAN

Type: Formula | Tracked Since: Feb 13, 2026

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: network monitoring pcap traffic-analysis command-line

Install: brew install pcapmirror

About:
Pcapmirror is a network traffic capture tool designed to mirror traffic from a remote host using the TZSP (TaZmen Sniffer Protocol) or ERSPAN (Encapsulated Remote Switched Port Analyzer) protocols. It allows administrators to capture and analyze packets on a remote network device from a central location, which is essential for network monitoring and troubleshooting. Its main value is providing a lightweight, command-line method to receive and save mirrored traffic streams without requiring complex network tap hardware.

Key Features:

Captures remote network traffic via TZSP protocol
Supports ERSPAN encapsulation for traffic mirroring
Outputs to standard pcap format for analysis in tools like Wireshark
Command-line tool suitable for scripting and automation

Use Cases:

Centralized network monitoring and traffic analysis from remote switches/routers
Troubleshooting network issues by capturing packets from a specific remote segment

Alternatives:

tcpdump – A general packet capture tool, but typically runs locally; pcapmirror specializes in receiving remote mirrored traffic.
Wireshark – A full GUI-based analyzer that can capture locally; pcapmirror is a simpler CLI tool focused on receiving specific remote mirroring protocols.

Version History

Detected	Version	Rev	Change	Commit
Feb 13, 2026 12:44pm		0	META	1fba4bd5