How to test packet loss when calls freeze or games lag

Missing replies can help investigate intermittent problems. They are evidence about a particular probe and target, not a complete record of application traffic.

Applies to: Home internet on Windows, macOS, phones and tablets. No Kilobat account or app required.Checked: 3 November 2026

When this helps

  • Calls lose audio or games pause for a moment.
  • A speed test finishes normally but your connection still feels unreliable.

Compare the router with the internet

  1. Find your router or default gateway in the device’s network settings.

  2. Use your system’s ping tool to check that gateway during the problem.

  3. Compare more than one internet target that normally answers your checks.

  4. Record the time, target, reply count and connection type. Stop after a short, useful sample.

How to interpret missing replies

ObservationWhat it suggestsWhat it does not prove
Router and internet both miss repliesInvestigate the local link or routerThat the provider caused the loss
Router replies, internet targets struggleInvestigate beyond the local wireless linkWhich upstream network is responsible
Only one target misses repliesTarget behaviour or its routeLoss across all internet traffic
One traceroute hop is silentThat hop may limit diagnostic repliesLoss if later hops reply normally

Reproduce it before changing settings

Repeat with Ethernet if available. Note whether the interruption also occurs on another device.

Some routers and destinations ignore or limit ping replies. Compare the diagnostic result with the application’s actual behaviour.

Mac users can follow the built-in ping commands. On other systems, use the equivalent system tool or your router’s diagnostics.

What to save for your provider

Use a spreadsheet, screenshots or handwritten notes. Keep your original results; a summary is easier to assess alongside the underlying measurements.

  1. Record the date, local time, device, connection type and test server.

  2. Save download, upload and latency results, plus the symptom you noticed.

  3. Note active downloads, uploads and VPN use. Repeat the same setup at a different time.

Still stuck?

You can ask for help at ping@kilobat.app. Send your symptoms and reviewed test results, with or without Kilobat.

Sources

Checked on 3 November 2026.