Greg explores the various ways to utilize probes for remote network troubleshooting. Discover how old equipment can be repurposed to serve as a network probe. Understand the varying features in a probe that can allow for basic and advanced troubleshooting. Learn how to utilize inexpensive embedded devices to act as effective probes.
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- [Narrator] The secret weapon in every network…admin's holster should be a set of probes.…Probes can take many forms, have varying features,…and come at different price points.…The most basic probe is any device…that can be remotely connected to…and perform basic troubleshooting with.…More advanced features will allow…an admin to perform complex remote operations.…Mandatory features for a probe should be ping,…traceroute, and a single network interface.…
Advanced features will be remote access,…either through some sort of remote desktop protocol or VPN,…the ability to view packets,…the ability to capture packets,…and multiple interfaces including wireless.…Some admins will install decommissioned routers…throughout their network to act as probes.…This can not only meet the mandatory functions…but can sometimes satisfy the advanced options also.…Often there may be some VPN options.…
These would usually be rack mountable,…though they may not be very power efficient.…Old laptops can be used in strategic places…in local and remote networks to act as probes.…
Even if you're rusty on your OSI model knowledge, this course is invaluable if you're having trouble with your network. It offers a clear, practical troubleshooting guide to narrowing down and solving most problems related to network connectivity.
- Troubleshooting the physical layer: POTS, Ethernet, and more
- Troubleshooting the data link layer
- Troubleshooting the network layer
- Troubleshooting the transport layer
- Troubleshooting Wi-Fi
- Troubleshooting proactively