Ping, traceroute, and netverdict's diagnose ping
- Fundamentals
- Beginner
- 7 min
- 3 steps
- Cisco IOS-style
Two routers, one cable, both addressed. Send packets across the link three ways: classic ping, classic traceroute, and the netverdict-only diagnose ping cause-analysis walker.
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Free · no install · no account
Scenario
Two routers R1 and R2 are pre-configured on a /30 link: - R1 Gi0/0 = 10.0.0.1/30 - R2 Gi0/0 = 10.0.0.2/30 No routing protocol — they're directly connected, so connected routes give them each other for free. This lab introduces three diagnostic commands. The first two are standard Cisco. The third — diagnose ping — is netverdict's own: instead of sending a packet and reporting whether it came back, it walks the FIB / ARP / ACL / reverse-path chain *before* the packet is sent and tells you exactly which step would fail.
Topology
2 × router · Cisco IOS-style
R1— routerR2— router
What you will do
From
R1, pingR2at10.0.0.2.Traceroute to
R2fromR1. With one hop, the output is short — but the mechanism is the same as a 30-hop trace.Run
diagnose ping 10.0.0.2fromR1. Read the numbered, traffic-light walkthrough.
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This lab in other languages
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