If you find a server IP or hostname on a forum or an old list, do not assume it works. You can verify it yourself using the netperf command-line tool.
Run the following command:
netperf -H <server_address> -p 12865 -t TCP_RR -l 5
What indicates verification?
If the command returns a transaction rate (e.g., Transaction Rate: 1500.00 /sec), the server is verified and active. If it times out or says netperf: connect to host ... failed, the server is dead.
What information should a production-grade verified list contain? A simple IP address is insufficient. A professional list looks like this:
| Hostname / IP | Port | Netperf Version | Location | Capabilities (Tests) | Last Verified |
| :--- | :--- | :--- | :--- | :--- | :--- |
| netperf-east.example.com | 12865 | 2.7.0 | AWS us-east-1 | TCP_STREAM, UDP_RR | 2025-01-15 |
| 192.168.1.100 | 12866 | 3.7.0 (git) | Local Lab | ALL (incl. SCTP) | 2025-01-20 |
| `public.netperf.planet | 12865 | 2.6.0 | Europe (FRA) | TCP_STREAM only | 2024-12-01 | netperf server list verified
Key fields for verification status:
While there is no live website with a green "verified" checkmark, the netperf community historically maintains a list of public servers through the Netperf-devel mailing list.
while read server; do
netperf -H $server -t NULL -l 1 2>/dev/null && echo "$server" >> verified_servers.txt
done < servers.txt
In the world of high-performance networking, assumptions are the enemy of accuracy. When you deploy a new switch, tune a TCP stack, or configure a load balancer, you need hard data. Enter Netperf—the industry-standard benchmarking tool for measuring network throughput and latency.
However, a critical stumbling block many engineers face is sourcing reliable endpoints for their tests. A netperf test requires a client (running netperf) and a server (running netserver). While firing up a local VM or container is easy, what happens when you need to test against diverse geographic regions, different cloud providers, or validate WAN optimizers? You need a verified netperf server list—a curated inventory of active, trustworthy, and correctly configured Netperf endpoints. If you find a server IP or hostname
This article provides a comprehensive guide to understanding, verifying, and utilizing a netperf server list. We will cover why verification is non-negotiable, how to build your own list, public sources for test servers, and advanced scripting for automation.
Event ID: NET-8442-V
Module: Network Performance Monitor
Severity: Informational
Timestamp: 2023-10-27T14:05:00Z
Subject: Netperf Server List Verification Complete
Details: The automated verification cycle for the target Netperf server cluster has concluded successfully. What indicates verification
Process Summary:
The daemon executed a handshake probe on TCP ports 12865 and 12866 across all listed endpoints in the configuration file (/etc/netperf/servers.list). All nodes returned valid control connection acknowledgments within the designated timeout window (5000ms). No stale entries or unreachable hosts were detected.
Action:
No user intervention required. The benchmarking schedule will proceed using the current active topology. Next verification sweep scheduled for 2023-10-28T14:05:00Z.
Store your server inventory in Git. Run a daily GitHub Action or Jenkins job that:
This gives you a full audit trail of when servers went out of compliance.