Uploaded September 2022 | Updated September 2026, 1 day ago
Wireshark is a free tool you can use to learn important networking services and protocols and troubleshoot network issues.
In this lab, we look at how to use Wireshark to troubleshoot DNS issues on your network. The full blog post is here:
101labs.net/troubleshoot-dns
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Wireshark is a free tool you can use to learn important networking services and protocols and troubleshoot network issues.
In this lab, we look at how to use Wireshark to troubleshoot DNS issues on your network. The full blog post is here:
101labs.net/troubleshoot-dns
World-class IT certification video training, follow-along labs, practice exams and live Cisco racks.
Please use this special URL to get 30 days of access for $1 -
howtonetwork.com/youtube
Get all my motivation goodies FREE -
howtonetwork.com/free-training
Check out our hands-on IT certification training website:
101labs.net
Use coupon code 'youtube' to get a fat discount.
Check out my IT books on Amazon:
Cisco CCNA Simplified - amzn.to/2Kqfvin
Cisco CCNA in 60 Days - amzn.to/2yr9aMA
101 Labs - Certified Ethical Hacker - amzn.to/39bywoO
101 Labs - CompTIA Security+ - amzn.to/3gPb2Y2
101 Labs - CompTIA PenTest+ - amzn.to/3iJyGG1
101 Labs - Cisco CCNA - amzn.to/32Jj7q6
101 Labs - Cisco CCNP - amzn.to/3kA4gEN
101 Labs - Linux LPIC1 - amzn.to/2zKby2Q
101 Labs - CompTIA Linux+ - amzn.to/36m3seN
101 Labs - Python - amzn.to/3Ina0gx
101 Labs - Wireshark WCNA - amzn.to/32JhLvp
101 Labs - CompTIA Network+ - amzn.to/3ljtfOX
101 Labs - CompTIA A+ - amzn.to/3nObR3i
101 Labs - IP Subnetting - amzn.to/2qWljqh
101 Labs - Cisco CCNP - amzn.to/3kA4gEN
IP Subnetting - Zero to Guru - amzn.to/2DMA9Hy
![Learn NAT - Network Address Translation [CCNA Cram]](https://i.ytimg.com/vi/wBXg3MkJLRc/mqdefault.jpg "Learn NAT - Network Address Translation [CCNA Cram]
NAT explanation taken from our full Cisco CCNA Cram Video - https://youtu.be/nJe3qty-IWE
Learn NAT for your CCNA and Network+ exam.
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Hands-on IT practice labs for Cisco, CompTIA, Linux, Hacking, Python, Wireless, and more - https://www.101labs.net
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![CompTIA Network+ Full Course FREE [23+ Hours] #comptia](https://i.ytimg.com/vi/xmpYfyNmWbw/mqdefault.jpg "CompTIA Network+ Full Course FREE [23+ Hours] #comptia
#comptia #comptiaa
Please check out our book on Amazon - 101 Labs - CompTIA Network+ - https://amzn.to/3ljtfOX
Check out our hands-on IT certification training website:
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Use coupon code YOUTUBE20 to get a fat discount.
World-class IT certification video training, follow-along labs, practice exams, and live Cisco racks.
Please use this special URL to get 30 days of access for $1 -
https://www.howtonetwork.com/youtube
Get all my motivation goodies FREE -
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Module Topic Timestamp
Basic Network Theory and Terminology 00:00:00
Categories Of Networks and Models 00:16:03
Network Topologies 00:47:00
Network Hardware Bounded 01:14:08
Straight-through, Crossover and Rollover Cables 01:50:21
More Cables and Connectors 02:09:44
Network Hardware Unbounded 02:25:42
Spread Spectrum Broadcasting Methods
Network Connectivity Devices 02:42:57
Advanced Network Devices 03:09:26
Data Transmissions 03:39:10
Media Access Methods 03:53:13
Signaling Methods 04:15:30
Common Ports and Protocols 04:37:33
Common Interoperability Services 05:04:41
Ethernet Standards 05:21:27
Communication Models: OSI 05:40:27
Communication Models: TCP/IP 06:16:08
Ethernet and Implementing a Wireless Network 06:52:52
IEEE 802.11ac standard 07:28:40
Network Segmentation 07:34:59
IP Addresses and Conversion 07:47:10
IP Addresses and Subnetting 08:14:43
Default and Custom Addressing Schemes 08:45:22
Data Delivery Techniques and IPv6 09:16:14
IPv6 Concepts 09:55:38
IP Addressing Assignment Methods 10:23:50
DNS 10:40:54
Proxy Servers 11:08:52
Network Address Translation 11:14:52
TCP/IP Services 11:25:05
TCP/IP Tools and Commands 11:34:44
LAN Administration and Implementation 11:53:12
Switching 12:04:16
Spanning Tree Protocol 12:18:34
Power over Ethernet 12:25:00
Routing 12:35:15
Routing Metrics 12:52:47
Routing Tables 13:03:32
Dynamic Routing and Protocols 13:18:58
IGP and EGP 13:32:27
Routing Loops 13:40:37
Virtual Local Area Networks and SOHOs 13:48:00
VLAN and Trunking Concepts 14:02:26
WAN Administration and Implementation 14:09:04
WAN Transmission Technologies 14:21:38
Leased Lines 14:36:47
Wavelength-Division Multiplexing 14:44:30
Multiprotocol Label Switching 14:49:41
GSM, CDMA and WiMAX 14:54:37
WAN Connectivity and Utilizing Voice Over Data 15:00:56
PPPoE, PPP, DMVPN, SIP Trunk 15:16:54
Remote Networking Fundamentals 15:25:09
Remote Access and Implementation 15:34:51
Remote Access Methods 15:47:25
VPNs and Protocols 16:01:28
GRE, SSL VPN, and VPN Concentrator 16:17:49
Network Management and Monitoring 16:25:36
Optimizing Network Performance 16:35:26
Network Documentation 16:53:46
Network Troubleshooting Model 17:03:42
Security Fundamentals 17:08:55
Authentication and Access 17:25:57
System Security Tools 17:35:35
Encryption and Cryptography 101 17:51:09
IDS/IPS Implementation 18:04:11
IPSEC and IPSEC Policies 18:18:22
Denial of Service 18:32:08
Common Networking Attacks 18:50:42
Threat Mitigation and User Education 19:10:33
Advanced Threat Mitigation 19:26:47
Policies and Best Practices 19:43:35
Secure the Wireless Network 20:03:33
Hardware Troubleshooting Tools 20:09:27
Physical Testing Tools 20:22:50
Software Testing Tools 20:26:47
High Availability and Load Balancing 20:39:21
SNMP, SYSLOG, and SIEM 20:46:08
Web Services 20:54:44
Unified Communication 21:00:55
Introduction to Virtualization 21:06:25
Virtualization Components and Software Defined Networking 21:10:38
Storage Area Network 21:19:06
Cloud Concepts 21:32:12
Physical Security Controls 21:43:34
Basic Forensic Concepts 21:48:55
Safety Practices 22:03:06
Common Wireless Issues 22:19:52
Common Copper Cable Issues 22:29:49
Common Fiber Cable Issues 22:37:16
Common Network Issues 22:44:16
Change Management Basics 22:53:56
IoT 23:04:07")
