1. Virtual LANs (VLANs)

• Virtual LAN Concepts; Understand the fundamental concept of VLANs and how they logically segment networks to improve efficiency, security, and traffic management.
• VLAN and VLAN Trunking Configuration and Verification; Learn how to configure VLANs and trunking to allow communication between VLANs across network switches and verify proper operation.
• VTP Configuration and Verification; Explore the VLAN Trunking Protocol (VTP) to manage VLAN configurations across multiple switches in a network.
• Spanning Tree Protocol (STP); Learn the basics of STP to prevent loops in a switched network by creating a loop-free topology.

2. Spanning Tree Protocol (STP)

• Spanning Tree Protocol Basics; Understand the purpose of STP in preventing network loops and ensuring redundancy in Layer 2 networks.
• Rapid STP (IEEE 802.1w); Learn about Rapid Spanning Tree Protocol (RSTP), an evolution of STP, providing faster convergence.
• STP Configuration and Verification; Gain hands-on experience in configuring STP on switches and verifying the correct setup using commands like show spanning-tree.
• STP Troubleshooting; Troubleshoot common STP issues, including bridge priority, root port selection, and topology changes.

3. Troubleshooting LAN Switching

• Generalized Troubleshooting Methodologies; Learn a systematic approach to troubleshooting, from identifying the problem to implementing a solution.
• Troubleshooting the LAN Switching Data Plane; Identify and resolve issues within the data plane, focusing on packet forwarding and VLAN functionality.
• Predicting Normal Operation of the LAN Switching Data Plane; Understand what the normal operation of a network looks like and how to recognize deviations.

4. IP Routing: Static and Connected Routes

• IP Routing and Addressing; Understand the basics of IP routing, including the role of static and connected routes in determining the path for network traffic.
• Routes to Directly Connected Subnets; Learn how directly connected subnets are automatically added to the routing table and their role in routing decisions.
• Static Routes; Explore how to manually configure static routes to control traffic flow in a network.
• Variable Length Subnet Masks (VLSM); Learn the concept of VLSM and how it enables more efficient use of IP address space by allowing different subnet sizes.

5. VLSM Concepts and Configuration

• Finding VLSM Overlaps; Understand how to detect and resolve VLSM overlap issues to prevent routing conflicts.
• Adding a New Subnet to an Existing VLSM Design; Learn how to design and add new subnets to an existing VLSM network without disrupting operations.
• Designing a Subnetting Plan Using VLSM; Develop practical subnetting skills using VLSM to efficiently allocate IP addresses in a network.
• Route Summarization; Learn how to reduce routing table size using route summarization to optimize routing efficiency.

6. Manual Route Summarization

• Manual Route Summarization; Master the process of manually summarizing routes to reduce the size of routing tables and improve network performance.
• Autosummarization and Discontiguous Classful Networks; Understand automatic route summarization and how to handle discontiguous networks in classful routing protocols.

7. Basic IP Access Control Lists (ACLs)

• IP Access Control List Basics; Understand the fundamentals of ACLs and their role in controlling network access based on IP addresses.
• Standard Numbered IPv4 ACLs; Learn how to configure and apply standard ACLs using numbers to filter traffic based on source IP addresses.
• Practice Applying Standard IP ACLs; Gain hands-on experience in applying standard ACLs for basic traffic filtering.

8. Advanced IP Access Control Lists

• Extended Numbered IP Access Control Lists; Learn about extended ACLs and how they allow more granular control, filtering traffic based on both source and destination IP addresses, and ports.
• Named ACLs and ACL Editing; Master the use of named ACLs for easier management and modification.
• Miscellaneous ACL Topics; Explore advanced topics such as ACL logging, and how to troubleshoot ACL-related issues.

9. Troubleshooting IP Routing

• The Ping and Traceroute Commands; Learn how to use the ping and traceroute utilities to diagnose connectivity issues and analyze network paths.
• Troubleshooting the Packet Forwarding Process; Understand the packet forwarding process and how to troubleshoot related issues, including incorrect routing table entries.
• Troubleshooting Tools and Tips; Learn additional troubleshooting techniques and tools to identify and resolve IP routing problems.

10. Routing Protocol Theory

• Dynamic Routing Protocol Overview; Understand the difference between dynamic and static routing and explore various dynamic routing protocols.
• Distance Vector Routing Protocol Features; Learn how distance vector protocols such as RIP function, and the trade-offs they present in terms of scalability and speed.
• Link-State Routing Protocol Features; Understand how link-state protocols like OSPF differ from distance vector protocols and their advantages in larger networks.

11. OSPF (Open Shortest Path First)

• OSPF Protocols and Operation; Dive deep into OSPF, learning how it operates using link-state information to build a topology map and make routing decisions.
• OSPF Configuration; Gain practical experience in configuring OSPF on routers and verifying OSPF operation in your network.

12. EIGRP (Enhanced Interior Gateway Routing Protocol)

• EIGRP Concepts and Operation; Learn how EIGRP operates using both distance and link-state routing techniques, and its advantages over other protocols.
• EIGRP Configuration and Verification; Gain hands-on skills in configuring EIGRP and verifying its operation using relevant show commands.

13. Troubleshooting Routing Protocols

• Perspectives on Troubleshooting Routing Protocol Problems; Learn different strategies for troubleshooting routing protocol issues, from misconfigurations to network topology problems.
• Interfaces Enabled with a Routing Protocol; Understand how to configure routing protocol interfaces and troubleshoot issues related to interface activation and protocol negotiation.
• Neighbor Relationships; Troubleshoot issues related to neighbor relationships, which are crucial for protocol convergence and routing table updates.

14. Point-to-Point WANs

• PPP Concepts; Learn the basics of Point-to-Point Protocol (PPP), which is widely used in WANs for connecting remote sites.
• PPP Configuration; Understand how to configure PPP on routers and verify its functionality.
• Troubleshooting Serial Links; Troubleshoot common issues with serial links, including line protocol and encapsulation mismatches.

15. Frame Relay Concepts

• Frame Relay Overview; Understand the concept and advantages of Frame Relay as a WAN technology for connecting remote locations.
• Frame Relay Addressing; Learn how to address Frame Relay networks using Data Link Connection Identifiers (DLCIs).
• Network Layer Concerns with Frame Relay; Explore network layer issues specific to Frame Relay, including IP address assignment and routing.

16. Virtual Private Networks (VPNs)

• VPN Fundamentals; Learn the basics of VPNs and how they provide secure communication across public networks.
• IPsec VPNs; Understand the configuration and operation of IPsec VPNs, including encryption and tunneling protocols.
• SSL VPNs; Explore SSL VPNs and how they provide remote access to networks via encrypted SSL tunnels.

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