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In this course, you will learn and practice techniques to monitor and troubleshoot routed and switched networks through extensive hands-on lab exercises. Troubleshooting methods, approaches, procedures, and tools are explored. A series of different organizations are introduced for each a set of troubleshooting scenarios that are presented. You will attempt to solve as many of the troubleshooting tickets as you can; the debrief includes review information that will help you further understand the specific issues raised in the scenarios.
- Troubleshooting methods, approaches, and procedures
- Recommended network maintenance practices
- Using basic and specialized troubleshooting tools
- A redundant Internet gateway or redundant ISP fails to provide backup connectivity
- OSPF, EIGRP and BGP issues, including redistribution
- HSRP, VRRP, and GLBP issues
- EtherChannel issues
- Other issues including NTP, DNS, default routes, IP SLAs, AAA, and GRE
- When headquarters or branch clients are unable to access internal devices or the Internet
- When you are unable to connect to a network device using SSH or Telnet
- When devices are unable to acquire a DHCP-provided address
- Network engineers and technicians
- Support engineers
- Systems engineers
- Network analysts
- Senior network administrators
- Anyone involved in implementing, verifying, and troubleshooting routed and switched enterprise networks
- Taking ROUTE v2.0 and SWITCH v2.0 is highly recommended
- Knowledge of and experience with the implementation and verification of enterprise routing and switching technologies that includes:
- Layer 2 switching including VLANs, VLAN ACLs, and switch security
- Link aggregation protocols
- Various types of STP
- Inter-VLAN routing solutions
- First Hop Redundancy Protocols: HSRP, VRRP, and GLBP
- Branch office operations
- EIGRP and OSPF routing protocols
- Layer 3 path control
- Internal and External BGP
- IPv4 and IPv6 networking
Lesson 1. Tools and Methodologies of Troubleshooting
Lesson 2. Troubleshooting at SECHNIK Networking Ltd.
- Describing Troubleshooting Methodologies
- Using Troubleshooting Procedures
- Following Recommended Practices During Routine Network Maintenance
- Using Basic IOS Troubleshooting Tools
- Using Specialized Troubleshooting Tools
Lesson 3. Troubleshooting at TINC Garbage Disposal Ltd.
- Debrief of the each of the three Troubleshooting at SECHNIK Networking Ltd. Labs
- Troubleshooting issues with trunks, NAT, interfaces, IPv6, network layer connectivity, error-disabled ports, DHCP, passive interfaces
Lesson 4. Troubleshooting at PILE Forensic Accounting Ltd.
- Debrief of the each of the four Troubleshooting at TINC Garbage Disposal Ltd. Labs
- Troubleshooting issues with BGP neighborship, port security, VLANs, native VLAN, OSPF adjacency, management access, HSRP, routing sources, VRRP, EtherChannel, GLBP, DHCP snooping
Lesson 5. Troubleshooting at Bank of POLONA Ltd.
- Debrief of the each of the five Troubleshooting at PILE Forensic Accounting Ltd. Labs
- Troubleshooting issues with EIGRP adjacency, BGP filtering and route selection, NTP, inter-VLAN routing, DNS, remote device management, EIGRP named configuration, EIGRP stub, default routes, management plane security.
Lesson 6. Troubleshooting at RADULKO Transport Ltd.
- Debrief of the each of the four Troubleshooting at POLONA Ltd. Labs.
- Troubleshooting issues with redistribution, FHRP tracking, IP SLA, EIGRP summarization, basic RIPng, ACLs, GRE tunnels, OSPF summarization, AAA, OSPF for IPv6, OSPF stub areas.
- Debrief of the each of the four Troubleshooting at RADULKO Transport Ltd. Labs.
- Troubleshooting issues with STP, PBR, CDP, LLDP, VTP, EIGRP for IPv6, MP-BGP, and OSPFv3 address families