CCNA-TS: Troubleshooting Cisco Internetworks for Network Associates

3 Day Course
Hands On
Official Curriculum

Book Now - 1 Delivery Method Available:

Classroom Virtual Classroom Private Group - Virtual Self-Paced Online


This intensive extended 3-day course is focused on general routing and switching challenges at the Cisco Certified Network Associate (CCNA) level of expertise. Delegates will identify a process for developing a network benchmark for routers, switches, and end systems, as well as gain a working understanding of proven troubleshooting methodologies based on Cisco best practices, industry-proven processes, and the instructor's practical experiences. Numerous practical troubleshooting lab exercises reinforce the lecture material with the time dedicated to labs and lectures evenly split. Each student pair will have access to seven Cisco devices (routers and switches) in order to complete the lab scenarios.

Delegates should expect to start classes early and finish late and may extend to 8:00 PM or later.

On completion of this course, delegates will be able to:

  • Establish a benchmark
  • Documentbenchmarks for routers, switches, and end systems
  • Utilise Troubleshooting methodology based on a layered model
  • Implement proven troubleshooting methodology
  • Gather symptoms for physical and data link problems
  • Segment the issues for easier problem solving.
  • Troubleshoot Ethernet switching
  • Troubleshoot the WAN
  • Follow guidelines for isolating and correcting physical and data link problems
  • Resolve problems at the network layer
  • Utilise general routing protocol troubleshooting
  • Troubleshoot OSPF and EIGRP
  • Isolate and correct network layer problems
  • Isolate and correct upper layer problems
  • Troubleshoot Access Control Lists
  • Troubleshoot NAT/PAT
  • Troubleshoot DHCP and SSH

Training Partners

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Establishing Baseline Documentation and Determining a Troubleshooting Strategy (8 topics)

  • Course Introduction
  • Establishing a Baseline
  • Baselining Tools
  • Guidelines for Creating Network Documentation
  • Determining an Effective Troubleshooting Strategy
  • Troubleshooting methodologies
  • General troubleshooting process
  • Gathering symptoms

Isolating and Correcting Problems at the Physical and Data Link Layers (4 topics)

  • Common Symptoms of Problems at Physical and Data Link
  • Troubleshooting Ethernet Switching
  • Troubleshooting the WAN
  • Guidelines for isolating and correcting physical and data link problems

Resolving Problems at the Network Layer (5 topics)

  • Review of IP
  • Review of Routing
  • Troubleshooting OSPF
  • Troubleshooting EIGRP
  • Guidelines for isolating and correcting network layer problems

Upper Layer Problems (8 topics)

  • Review of TCP/UDP and Applications
  • Troubleshooting Access Control Lists
  • Troubleshooting NAT/PAT
  • Implementation Commands
  • Vrification Commands
  • Troubleshooting DHCP
  • Securing Access
  • Guidelines for isolating and correcting upper layer problems

Optional Topics and Mastery Labs (5 topics)

  • Overview of BGP
  • Password Recovery
  • Loss of IOS Recovery
  • Route Redistribution
  • IPv6

Labs (20 topics)

  • Lab 1: Establish a baseline for the student pod
  • Lab 2: Use debug and show commands on Cisco router and switch
  • Lab 3: Document the baseline for an end system (Linux server)
  • Lab 4: Trouble ticket: Ethernet VLAN problem
  • Lab 5: Trouble ticket: Ethernet Trunking problem
  • Lab 6: Trouble ticket: VTP and Spanning Tree problem
  • Lab 7: Trouble ticket: Frame Relay problem
  • Lab 8: Trouble ticket: PPP/HDLC/CHAP problem
  • Lab 9: Trouble ticket: IP addressing problem
  • Lab 10: Trouble ticket: RIP problem
  • Lab 11: Trouble ticket: OSPF problem
  • Lab 12: Trouble ticket: EIGRP problem
  • Lab 13: Trouble ticket: ACS problems
  • Lab 14: Trouble ticket: NAT/PAT problem
  • Lab 15: Trouble ticket: DHCP problem
  • Lab 16: Trouble ticket: SSH problem
  • Lab 17: Optional trouble ticket: BGP problem
  • Lab 18: Optional trouble ticket: Route Redistribution problem
  • Lab 19: Optional trouble ticket: HSRP
  • Lab 20: Optional trouble ticket: IPv6


Delegates should have already attended ICND1 and ICND2.

Additional Learning

The courses below may help you meet the knowledge level required to take this course. If you are unsure please ask a training advisor .

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