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Working with Problems on Your Network

Problem

This checklist provides links to troubleshooting basics, an example network, and includes a summary of the commands you might use to diagnose problems with the router and network.

Solution

Table 13: Checklist for Working with Problems on Your Network

Tasks

Command or Action
Isolate a Broken Network Connection  
  1. Identify the Symptoms

ping (ip-address | hostname)
show route (ip-address | hostname)
traceroute (ip-address | hostname)

  1. Isolate the Causes

show < configuration | interfaces | protocols | route >
  1. Take Appropriate Action

[edit]
delete routing options static route destination-prefix
 commit and-quit
show route destination-prefix

  1. Evaluate the Solution

show route (ip-address | hostname)
ping (ip-address | hostname) count 3
traceroute (ip-address | hostname)

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