CCNA 5.9 Checking Network Connectivity & Troubleshooting

• Ping and traceroute command can be used to test connectivity to remote device (user & privileged mode)
• Ping command displays the min, avg & max times for a ping packet to reach a specific remote device and return
• Traceroute command shows the path a packet takes to reach a remote device
• Debug command is used to display router operation, traffic and error message (privileged mode)
• Show processes command show router's CPU utilization info