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Table of Contents Expand all

play_arrow Overview
- ICMP Router Discovery Overview
- Supported ICMP Router Discovery and IPv6 Neighbor Discovery Standards
play_arrow Configuring the ICMP Protocol
- Understanding the ICMP Protocol for Discovering Gateways to Other Networks
- Example: Configuring the ICMP Protocol for Discovering Gateways to Other Networks
play_arrow Configuring Recursive DNS Servers
play_arrow Monitoring ICMP Router Discovery
play_arrow Troubleshooting Network Issues
play_arrow Configuration Statements and Operational Commands
- Junos CLI Reference Overview
play_arrow Knowledge Base
- https://kb.juniper.net/

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Problem
Solution

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Working with Problems on Your Network

date_range 26-Jan-21

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Problem

Description

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 1: Checklist for Working with Problems on Your Network
Tasks	Command or Action
Isolating a Broken Network Connection
Identifying the Symptoms of a Broken Network Connection	ping (`ip-address` \| `hostname`) show route (`ip-address` \| `hostname`) traceroute (`ip-address` \| `hostname`)
Isolating the Causes of a Network Problem	`show < configuration \| interfaces \| protocols \| route >`
Taking Appropriate Action for Resolving the Network Problem	`[edit] delete routing options static route destination-prefix` commit and-quit show route `destination-prefix`
Evaluating the Solution to Check Whether the Network Problem Is Resolved	`show route (ip-address \| hostname) ping (ip-address \| hostname`) count 3 traceroute (`ip-address` \| `hostname`)

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