Descriptions
Network Troubleshooting -75+ Real-World Incidents(CCNA-CCNP), In real production networks, configuration knowledge alone is not enough. What truly matters is the ability to identify problems, isolate root causes, and fix network outages quickly. This course is designed to teach you real-world network troubleshooting using 75+ practical switching and routing incidents based on Cisco enterprise environments. Instead of only learning theory, you will work through actual network failure scenarios that engineers face in NOC, enterprise, and data center networks. Most networking courses focus on how to configure devices, but this course focuses on what to do when things break. You will learn how to analyze network symptoms, choose the correct troubleshooting path, verify Layer 2 and Layer 3 issues, identify configuration mistakes, resolve incidents professionally, and reduce downtime in real networks. Every incident is explained with a problem scenario, symptoms, verification commands, root cause analysis, step-by-step fix, and final validation. You will troubleshoot real Layer 2 issues such as interface up but no traffic passing, access and trunk port misconfiguration, VLAN creation and trunk allowed list problems, native VLAN mismatch, voice VLAN issues, MAC address learning problems, MAC flapping issues, port security violations, BPDU Guard blocking ports, switching loops and broadcast storms, STP root bridge and priority problems, PortFast configuration mistakes, EtherChannel formation and load balancing issues, VLAN pruning problems, HSRP misconfiguration and failover issues, DHCP snooping blocking traffic, dynamic ARP inspection drops, root guard blocking uplinks, and ACL issues on switches. You will also troubleshoot real Layer 3 and routing failures including default gateway and static route issues, wrong next-hop configuration, routing table update problems, traffic not flowing even when route exists, asymmetric routing problems, ACL blocking routed traffic, NAT failures and routing dependency issues, multiple default route confusion, ARP resolution failures, proxy ARP issues, MTU mismatch and fragmentation problems, VRF misconfiguration issues, WAN link up but traffic not flowing, and backup link and failover problems.
What you’ll learn
- Troubleshoot real-world network outages using structured troubleshooting methodology
- Identify and fix Layer 2 switching problems such as VLAN, trunking, STP, EtherChannel, and port security issues
- Diagnose interface-related problems including link up but no traffic flow, err-disabled state, and duplex mismatches
- Resolve VLAN and trunk misconfigurations that cause connectivity failures
- Analyze MAC address learning issues and MAC flapping problems
- Detect and fix switching loops and broadcast storm scenarios
- Troubleshoot STP root bridge problems and unexpected port blocking
- Understand and resolve HSRP and gateway redundancy issues
- Identify DHCP snooping and ARP inspection problems that block legitimate traffic
- Troubleshoot inter-VLAN communication failures
- Diagnose Layer 3 routing issues such as missing routes, wrong next-hop configuration, and default gateway problems
- Troubleshoot static routing and routing table update issues
- Analyze traffic flow problems even when routes are present
- Identify asymmetric routing problems and fix traffic path issues
- Troubleshoot ACL issues that block routed traffic
- Diagnose NAT failures and understand routing dependency for NAT operation
- Resolve multiple default route conflicts and route recursion issues
- Troubleshoot ARP resolution failures and proxy ARP problems
- Identify MTU mismatch and fragmentation-related packet drops
- Work with VRF-based routing issues
- Troubleshoot OSPF neighbor problems including INIT, EXSTART, LOADING, and FULL state issues
- Identify and fix OSPF area mismatch, network type mismatch, and MTU mismatch problems
Who this course is for
- L1 Network Support Engineers who want to build strong troubleshooting foundations
- L2 Network Engineers who want to improve problem isolation and root cause analysis skills
- L3 Network Engineers who want to sharpen advanced switching and routing troubleshooting techniques
- NOC Engineers working in monitoring and production support environments
- Network administrators managing enterprise networks
- CCNA and CCNP students who want hands-on troubleshooting experience
- IT professionals moving into networking roles
- System administrators responsible for network infrastructure
- Anyone preparing for network engineering job interviews
- Engineers who want real-world troubleshooting exposure instead of only theory
Specificatoin of Network Troubleshooting -75+ Real-World Incidents(CCNA-CCNP)
- Publisher : Udemy
- Teacher : Rakesh M
- Language : English
- Level : All Levels
- Duration : 16 hours and 37 minutes
Content of Network Troubleshooting -75+ Real-World Incidents(CCNA-CCNP)
Requirements
- Basic understanding of computer networking fundamentals
- Basic knowledge of IP addressing and subnetting
- Familiarity with VLAN concepts and switching basics
- Basic routing knowledge such as static routing and default gateway concepts
- Basic experience with Cisco CLI commands (enable, configure terminal, show commands)
- A laptop or desktop computer with internet access
- Willingness to practice troubleshooting and follow along with lab demonstrations
Pictures
Sample Clip
Installation Guide
Extract the files and watch with your favorite player
Subtitle : Not Available
Quality: 1080p
Download Links
Password file(s): www.downloadly.ir
File size
10.84 GB
