This three-day course provides students with the knowledge to troubleshoot switching, routing, and security features. This course builds off the Juniper Technical Support Fundamentals and Junos Troubleshooting courses and helps network engineers further their network troubleshooting capabilities. Key topics include troubleshooting dynamic routing protocols such as OSPF, IS-IS, BGP, switching protocols, Ethernet VPN–Virtual Extensible LAN (EVPN-VXLAN) network, MPLS, multicast, class of service (CoS), stateful firewall features, IPsec VPNs (site-to-site and remote access), chassis clusters, next-generation firewall features, and vSRX Series devices. The course is based on Junos OS Release 23.1R1.

• Describe components of the network used in the course and discuss the network topology.
• Discuss common problems related to implementation of Ethernet switching.
• Discuss common problems related to implementation of IP fabric with EVPN-VXLAN protocols.
• Diagnose problems with OSPF adjacencies and provide solutions.
• Diagnose problems with OSPF routing and provide solutions.
• Diagnose problems with IS-IS adjacencies and provide solutions.
• Diagnose problems with IS-IS routing and provide solutions.
• Diagnose problems with BGP adjacencies and provide solutions.
• Diagnose problems with BGP routing and provide solutions.
• Diagnose and solve problems with route oscillations and routing loops.
• Diagnose problems with the MPLS Layer 3 VPN service and provide solutions.
• Diagnose problems with stateful firewalls and provide solutions.
• Diagnose problems with chassis cluster out-of-band management and provide solutions.
• Diagnose problems with chassis cluster fabric link and provide solutions.
• Diagnose problems with chassis cluster data plane and provide solutions.
• Diagnose problems with IPsec VPN establishment and provide solutions.
• Diagnose problems with traffic flow through IPsec VPN and provide solutions.
• Diagnose problems with remote access VPN establishment and provide solutions.
• Diagnose problems with the implementation of next-generation firewall features and provide solutions.
• Diagnose problems with multicast implementation and provide solutions.
• Diagnose problems with CoS-based IPsec VPNs and provide solutions.
• Diagnose problems with consistent CoS implementation across the network and provide solutions.

DAY 1

1. Course Introduction

2. Introduction to the Course Network

• Describe components of the network used in the course and discuss the network topology

Lab 1: Introduction to the Course Network

3. Troubleshooting Switching

• Discuss common problems related to implementation of Ethernet switching

Lab 2: Troubleshooting Ethernet Switching

4. Troubleshooting IP Fabrics with EVPN-VXLAN Architecture

• Discuss common problems related to implementation of IP fabric with EVPN-VXLAN protocols

Lab 3: Troubleshooting EVPN-VXLAN IP Fabric

5. Troubleshooting OSPF

• Diagnose problems with OSPF adjacencies and provide solutions
• Diagnose problems with OSPF routing and provide solutions

Lab 4: Troubleshooting OSPF

6. Troubleshooting IS-IS

• Diagnose problems with IS-IS adjacencies and provide solutions
• Diagnose problems with IS-IS routing and provide solutions

Lab 5: Troubleshooting IS-IS

DAY 2

7. Troubleshooting BGP

• Diagnose problems with BGP adjacencies and provide solutions
• Diagnose problems with BGP routing and provide solutions

Lab 6: Troubleshooting BGP

8. Troubleshooting Route Oscillations and Routing Loops

• Diagnose and solve problems with route oscillations and routing loops

Lab 7: Troubleshooting Route Oscillations and Routing Loops

9 Troubleshooting MPLS

• Diagnose problems with the MPLS Layer 3 VPN service and provide solutions

Lab 8: Troubleshooting MPLS

10. Troubleshooting Stateful Firewall Security

• Diagnose and solve problems with stateful firewalls and provide solutions

Lab 9: Troubleshooting Stateful Firewall Security

11. Troubleshooting Chassis Clusters

• Diagnose problems with chassis cluster out-of-band management and provide solutions
• Diagnose problems with chassis cluster fabric link and provide solutions
• Diagnose problems with chassis cluster data plane and provide solutions

Lab 10: Troubleshooting Chassis Clusters

DAY 3

12. Troubleshooting IPsec VPNs

• Diagnose problems with IPsec VPN establishment and provide solutions
• Diagnose problems with traffic flow through IPsec VPN and provide solutions

Lab 11: Troubleshooting IPsec VPNs

13. Troubleshooting Remote Access VPNs

• Diagnose problems with remote access VPN establishment and provide solutions

Lab 12: Troubleshooting Remote Access VPNs

14. Troubleshooting Next-Generation Firewall Features

• Diagnose problems with implementation of nextgeneration firewall features and provide solutions

Lab 13: Troubleshooting AppSecure

15. Troubleshooting Multicast

• Diagnose problems with multicast implementation and provide solutions

Lab 14: Troubleshooting Multicast

16. Troubleshooting Class of Service

• Diagnose problems with CoS-based IPsec VPNs and provide solutions
• Diagnose problems with consistent CoS implementation across the network and provide solutions

Lab 15: Troubleshooting CoS

SELF-STUDY MODULE

17. Troubleshooting Commands

Individuals responsible for troubleshooting Juniper devices running Junos OS, which includes network operators, engineers, administrators, support personnel, and reseller support personnel

Junos Troubleshooting course, or equivalent knowledge