Detailed Course Outline
DAY 1
1 Course Introduction
2 Junos Product Families
- Describe the architectural philosophy of devices that run the Junos OS and understand how this relates to troubleshooting
- Describe traffic processing for transit and exception traffic
- Describe the function and components of the RE and PFE within a device running the Junos OS
- Describe FRUs
- Describe current Junos product families and understand where to go for detailed information about your hardware
Lab 1: Identifying Hardware Compon
3 Troubleshooting Toolkit
- Describe various tools that can be used to troubleshoot devices that run the Junos operating system
- Explain JTAC recommendations for current bestpractices that facilitate troubleshooting
Lab 2: Using Monitoring Tools and Establishing a Baseline
4 Hardware and Environmental Conditions
- Describe the key commands and features used to monitor storage and memory issues
- Describe the key commands and features that you can use to monitor software installations
- Determine how to find potential hardware problems using system logs
- Describe the key commands that you can use to monitor hardware and environmental issues
Lab 3: Monitoring Hardware and Environmental Conditions
5 Control Plane
- Monitor and troubleshoot system processes that reside in the control plane
- Utilize a logical approach to troubleshooting routing issues that reside in the control plane
- Monitor and troubleshoot basic bridging and ARP functionalities
Lab 4: Control Plane Monitoring and Troubleshooting
6 Control Plane Protection
- Describe DDoS attacks
- Explain and configure the DDoS protection feature
- Outline using firewall filters to protect the control plane
Lab 5: Protecting the Control Plane
DAY 2
7 Data Plane: Interfaces
- Describe physical and logical interface properties
- Deactivate and disable interfaces
- Perform loopback testing
- Use operational mode commands to monitor and troubleshoot Ethernet interfaces
Lab 6: Monitoring and Troubleshooting Ethernet Interfaces
8 Data Plane: Other Components
- Recognize data plane problems and components
- Monitor and troubleshoot data plane forwarding
- Monitor load balancing
- Troubleshoot firewall filter and policer issues
Lab 7: Isolating and Troubleshooting PFE Issues
9 Staging and Acceptance Testing
- • Perform a Junos device initial inspection and power-on
- • Perform general system checks recommended for a newly deployed Junos device
- • Determine the status of new interface connections by performing loopback testing and monitoring
10 Troubleshooting Network Services
- Discuss DNS, DHCP, NTP, SSH, SNMP, and telemetry
- Explain authentication issues
- Discuss MACsec issues
- Discuss LLDP issues
Lab 8: Troubleshooting Network Services
11 Troubleshooting High Availability Features
- Discuss LACP, BFD, NSR, and NSB issues
- Explain graceful routing engine switchover
- Explain graceful restart
- Discuss Aggregated Ethernet issues
- Discuss MC-LAG issues
- Discuss VRRP issues
12 Network Monitoring
- Explain how to configure and monitor SNMP
- Discuss how to configure and monitor RMON
- Describe how to use the Junos telemetry interface
- Describe how to use flow monitoring
Lab 9: Monitoring the Network
A Appendix: Junos RPM
- Explain the purpose of the Junos RPM
- Describe the components of the Junos RPM
- Implement Junos RPM Probes
- Monitor the deployed Probes