All tools · page 94

Measure round-trip latency to a reachable host.

Calculate variation in latency from supplied measurements.

Interpret hop-by-hop route results to a destination.

Compare traceroute outputs from different locations or times.

Find common services associated with port numbers.

Compare configured application ports for possible conflicts.

Visualize the steps of a TCP connection handshake.

Explain TCP window sizing and throughput relationships.

Convert between common data transfer rate units.

Estimate upload duration for files of different sizes.

Help choose channels based on observed nearby network congestion.

Compare supported Wi-Fi generations and their capabilities.

Create a QR code for a supplied wireless network configuration.

Estimate a wireless link budget from supplied radio parameters.

Review common router setup, security, and connectivity settings.

Prepare a safe firmware update checklist for a selected device.

Test connectivity to a configured local gateway.

Diagnose common address assignment failures.

Separate DNS resolution problems from general connectivity issues.

Check local connectivity, gateway, DNS, and upstream reachability.

Estimate optical power budget from transmitter, receiver, and link losses.

Calculate optical loss per distance and connector.

Estimate cable run feasibility using standard Ethernet limitations.

Diagnose common wired link and negotiation problems.