twoping ☆

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Description:
Ping utility to determine directional packet loss

Type: Formula | Latest Version: 4.5.1@0 | Tracked Since: Oct 11, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: networking diagnostics monitoring cli ipv6

Install: brew install twoping

About:
2ping is a bi-directional ping utility that allows for detailed analysis of network connectivity. Unlike standard ping tools, it listens for incoming pings and responds, enabling you to determine directional packet loss and latency. This makes it invaluable for diagnosing asymmetric routing issues or firewall misconfigurations that block traffic in one direction.

Key Features:

Bi-directional communication for accurate loss detection
Supports both IPv4 and IPv6
Low overhead operation suitable for continuous monitoring
Detailed statistics on packet loss and latency

Use Cases:

Diagnosing asymmetric network routing problems
Testing firewall rules to ensure bidirectional traffic flow
Monitoring long-term network stability and packet loss

Alternatives:

ping – Standard ping only measures outbound and return trip time together, making it impossible to isolate one-way packet loss.
fping – fping excels at pinging multiple hosts in sequence but lacks the bi-directional listening capabilities of 2ping.

Version History

Detected	Version	Rev	Change	Commit
Oct 11, 2025 8:40pm		1	VERSION_BUMP	95d13246
Oct 11, 2025 12:28pm		1	VERSION_BUMP	9c5148d1