Scan 365 Pronetwork troubleshooting, reviewed

Independent reviews for sysadmins

Find the bad hop. Keep the evidence.

“The network is slow” is a complaint, not a diagnosis. Scan 365 Pro reviews the tools that turn it into one — traceroute loggers, throughput testers, packet analysers and reachability checks — and judges each by the evidence it hands you, and how long it takes to get it.

$ trace app.example.netillustrative
  1. 1gw.office.lan10.20.0.10.0%0.9 ms
  2. 2cpe-edge100.64.12.10.0%7.8 ms
  3. 3isp-agg-1198.51.100.90.0%9.4 ms
  4. 4isp-core-2198.51.100.3438.0%11.2 msloss stops here — later hops are clean
  5. 5ix-peer203.0.113.50.0%12.0 ms
  6. 6cdn-edge203.0.113.770.0%14.1 ms
  7. 7app.example.net192.0.2.100.0%14.6 ms
Hop 4 drops 38% of probes, yet every hop after it answers them all. That router is rate-limiting replies to traceroute, not losing your traffic. Loss worth a ticket starts at one hop and carries on to the destination. How to read it properly →

Independent. We are not Pingman Tools, Obkio, Microsoft or any other vendor here. The reviews are ours; the trademarks are theirs.

No files on this domain. Nothing here can be run or installed. Every product link opens the maker’s own page.

Your network only. Every test we describe assumes a network you administer, or written permission from its owner.

Three lines

Pick the line that matches the ticket

Each category is drawn as a line and each tool as a stop on it. A ringed stop is an interchange: that tool also appears on another line, shown by the coloured pips beneath its name.

Latency & Path AnalysisWhere along the path does it go wrong?

Latency line6 stops

  1. PingPlotterAlso on Throughput line and Reachability line
  2. mtrAlso on Throughput line
  3. SmokePingAlso on Reachability line
  4. Obkio Network Performance MonitoringAlso on Throughput line
  5. Angry IP ScannerAlso on Reachability line
  6. WiresharkAlso on Throughput line and Reachability line
Throughput & Packet InspectionHow much gets through, and what is on the wire?

Throughput line6 stops

  1. iPerf3
  2. WiresharkAlso on Latency line and Reachability line
  3. TCPViewAlso on Reachability line
  4. Obkio Network Performance MonitoringAlso on Latency line
  5. PingPlotterAlso on Latency line and Reachability line
  6. mtrAlso on Latency line
Host & Connection ChecksIs it up, and who is it talking to?

Reachability line6 stops

  1. Angry IP ScannerAlso on Latency line
  2. LizardSystems Network Scanner
  3. TCPViewAlso on Throughput line
  4. SmokePingAlso on Latency line
  5. PingPlotterAlso on Latency line and Throughput line
  6. WiresharkAlso on Throughput line and Latency line

Guides

When the ticket says…

Step-by-step procedures for the situations that fill a sysadmin’s queue, each ending with something you can attach to the ticket.

What each tool hands you

The evidence index

All 9 tools, alphabetically, with the artefact you can forward once you have used them.

ToolLinesLicenceEvidence it produces
Angry IP ScannerAnton KeksOpen sourceA CSV/TXT/XML list of which addresses answered, with ping time and hostname
iPerf3ESnetOpen sourcePer-interval throughput, retransmits and UDP loss/jitter figures, with JSON output
LizardSystems Network ScannerLizardSystemsAn HTML/TXT/XML export of hosts, their shares and read/write access
mtrBitWizard / open-source maintainersOpen sourceA plain-text report (--report) of loss and latency per hop, easy to paste into a ticket
Obkio Network Performance MonitoringObkioSaaSAgent-to-agent loss, latency, jitter and VoIP quality history across sites
PingPlotterPingman ToolsTimeline graphs of latency and loss per hop that can be shared or exported
SmokePingTobias OetikerOpen sourceWeeks of latency and loss history drawn as "smoke" graphs, one per target
TCPViewMicrosoft SysinternalsFreewareA live list of every TCP/UDP endpoint with its owning process, savable as text
WiresharkWireshark FoundationOpen sourceA pcap file plus expert-info and TCP analysis (retransmissions, zero windows, resets)

Head to head

When two tools both look right

How we judge

Two questions for every tool

What evidence does it produce that you could hand to an ISP, a vendor or the colleague who owns the firewall? And how long, starting cold from the vendor’s own site, until you have it? We answer both from vendor documentation, licence and pricing pages, release notes and public trials, weighed against what working admins report once a tool has lived on their network for a while. Feature counts come second.

Read the methodology · Who runs Scan 365 Pro

Edited byHusanjon RuzalievCorrections: editor@scan365pro.ink