Wireshark: TCP, DHCP & DNS Troubleshooting
The Troubleshooting Networks with Wireshark course by Koenig Original equips network administrators, security analysts, and IT professionals with advanced skills to diagnose performance bottlenecks, detect anomalies, and resolve complex connectivity issues using Wireshark. With 70% of IT teams relying on Wireshark for packet analysis, this training bridges the critical gap in real-time network visibility and troubleshooting precision.
This course prepares learners for the Wireshark Certified Network Analyst (WCNA) certification, validating expertise in protocol analysis and network forensics. Koenig’s Guaranteed-to-Run scheduling and 30-day lab access ensure flexible, hands-on practice, empowering professionals to master deep packet inspection and advance into senior network engineering or cybersecurity roles.
Training Formats & Pricing
100% Happiness Guarantee · Free Rescheduling · Secure Payment
Course Overview
The Troubleshooting Networks with Wireshark course by Koenig Original is designed for network administrators, security analysts, and IT professionals responsible for diagnosing and resolving complex network issues. While not tied to a specific vendor certification exam, this advanced training equips learners with the skills needed to master packet-level analysis using Wireshark, the world’s most widely used open-source network protocol analyzer. With over 20 million annual downloads and adoption across enterprises globally, proficiency in Wireshark is a highly sought-after skill. This course serves as essential preparation for roles such as Network Engineer, Cybersecurity Analyst, and Systems Administrator, where deep visibility into network traffic is critical for maintaining performance, reliability, and security.
Participants gain hands-on experience with core tools including Wireshark, tshark, editcap, tcpdump, and the full suite of Protocol Analysis Institute utilities used in real-world network forensics. The course features extensive lab exercises conducted in a dedicated virtual environment where students configure packet captures, apply display and capture filters, reconstruct TCP sessions, and analyze anomalies like retransmissions, latency spikes, and malformed packets. A key project involves simulating and troubleshooting a compromised network by identifying suspicious DNS queries, unauthorized DHCP servers, and evidence of data exfiltration—all within a controlled lab setting that mirrors enterprise network topologies.
This training directly prepares candidates for the Wireshark Certified Network Analyst (WCNA) certification, a globally recognized credential validating expertise in network traffic analysis. WCNA-certified professionals report salary increases of up to 25%, with average earnings reaching $95,000 annually in North America according to industry surveys. A key differentiator at Koenig Solutions is the Guaranteed-to-Run delivery model—ensuring every scheduled session proceeds regardless of enrollment, so learners can rely on confirmed start dates. By mastering network diagnostics through this program, graduates position themselves for advancement into senior network operations and security investigation roles, equipped to ensure robust, secure, and high-performing IT infrastructures.
What You'll Learn
Prerequisites
- Fundamental TCP/IP networking knowledge, including IPv4 and IPv6 addressing, essential for mastering Troubleshooting Networks with Wireshark by Koenig Original
- Understanding Ethernet LANs, encompassing switching and ARP/ND operations, to effectively diagnose network issues using Wireshark
- Experience with network infrastructure devices such as switches and routers, crucial for troubleshooting network problems with Wireshark
- Familiarity with common network protocols like ICMP, DNS, DHCP, and TCP/UDP, to analyze traffic patterns using Wireshark
- Basic knowledge of network troubleshooting methods and tools, necessary for diagnosing network failures with Wireshark
- Hands-on packet analysis experience with Wireshark or similar tools, vital for troubleshooting networks efficiently
Certification Exam
Everything you need to know about the Wireshark: TCP, DHCP & DNS Troubleshooting certification exam
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Career Outcomes
of Wireshark: TCP, DHCP & DNS Troubleshooting certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the Wireshark: TCP, DHCP & DNS Troubleshooting certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Network Troubleshooting Engineer
- Wireshark Protocol Analyst
- Network Forensics Analyst
- SOC Analyst (Security Operations Center)
- Incident Responder
- Senior Network Engineer
Companies Hiring
and 5,000+ organizations worldwide seeking Wireshark: TCP, DHCP & DNS Troubleshooting certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the Wireshark: TCP, DHCP & DNS Troubleshooting training course
Is the WCNA certification exam included in the Troubleshooting Networks with Wireshark course by Koenig, and what is the exam fee?
What training formats are available for Troubleshooting Networks with Wireshark, and does Koenig offer Guaranteed-to-Run scheduling?
How long is lab access provided, and what environment is used for Troubleshooting Networks with Wireshark hands-on practice?
What is Koenig's rescheduling and cancellation policy for the Troubleshooting Networks with Wireshark course?
What is the format, number of questions, passing score, and time limit for the WCNA certification exam?
How long is the WCNA certification valid, and what is the renewal process and cost for Troubleshooting Networks with Wireshark graduates?
What post-training support does Koenig provide after completing the Troubleshooting Networks with Wireshark course?
What are the prerequisites or prior experience needed for the Troubleshooting Networks with Wireshark course?
What career benefits and salary impact can professionals expect after completing Troubleshooting Networks with Wireshark training?
How does Koenig's Troubleshooting Networks with Wireshark training compare to self-study options in terms of effectiveness and outcomes?
Still have questions?
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