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Help Center/XRTG/XRTG/Traffic diagnosis

Traffic diagnosis

The Traffic Diagnosis page runs live network tests straight from your routers, so you're testing from where the traffic actually flows rather than from the CRM. It has two tools — Ping Plotter and Traceroute — for tracking down latency, packet loss and routing issues. Only routers you enabled for ping/traceroute on the Routers page appear here.

Getting started

If the page says there are no diagnostics-enabled routers, edit a router on the Routers page, turn on Enable ping / traceroute and pick its vendor (the RouterOS API for MikroTik, or a read-write SNMP community / v3 user for Cisco, Juniper, Huawei or H3C). Once at least one router is set up, choose it from the Router selector to begin.

Ping Plotter

Ping Plotter sends a run of ICMP pings from the router to a target and charts the round-trip time live. Choose the Router, optionally an Interface and Source IP to ping from, a Destination, and the number of pings (1–1000), then press Start. As replies come in you get a live RTT line chart, a stats strip — Sent, Recv, Loss %, Min, Avg and Max — and a running log you can copy or clear. Rising loss or a jumpy RTT line points to a congested or unstable link.

Traceroute

Traceroute maps the path from the router to a destination, hop by hop. Set the Destination and how many packets per hop to send (1–100), then Start. Each hop gets a row showing its address, Loss %, Min/Avg/Max/Last RTT, and a bar strip of its most recent probes — green when a probe is at or under the hop's average, amber when above it, red for a lost probe. That makes it easy to see exactly which hop starts introducing delay or dropping packets.

Note: Traceroute isn't available for every vendor — Cisco IOS, for example, supports ping only over SNMP, so the Traceroute tab is disabled when no enabled router can trace. Some SNMP-driven routers also return only summary RTT (min/avg/max) rather than a per-probe series, and the page flags this when it happens.