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Editor's Picks
SNMP Explained: Simple Network Management Protocol
Using the snmpwalk Command with Examples
SNMPv3 Security: Authentication and Encryption
How SNMP Traps Notify You of Problems
SNMPv1, v2c and v3 Compared
Network Monitoring: A Practical Guide
SNMP Port Numbers: 161 and 162 Explained
What an SNMP OID Is and How to Read One
Network Management Software: What It Does and How to Choose
Using a MIB Browser to Explore Device Data
What Is a MIB and How It Maps to OIDs
SNMP Community Strings and Why They Matter
Packet Loss: Common Causes and Fixes
Packet Analyzers: Capturing and Inspecting Traffic
Open Source Options for Network Monitoring
How to Troubleshoot a Network Step by Step
Network Performance Monitoring Fundamentals
Network Mapping Tools for Visualising Your Infrastructure
Network Monitoring Tools: Types and Use Cases
The Key Metrics Every Network Monitor Should Track
Understanding Network Latency and How to Measure It
Network Configuration Management Basics
Network Discovery Tools for Finding Connected Devices
Bandwidth Monitoring: Finding What Uses Your Capacity
Setting Useful Network Alerts and Thresholds
Free Tools for Monitoring Devices over SNMP
Creating a Network Baseline for Normal Behaviour
More reading
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Network Monitoring: A Practical Guide
A practical guide to network monitoring: what to watch, how data is collected, how to set baselines and alerts, and how to choose an approach.
Browse by topic
- Network Monitoring (9)
- SNMP Basics (9)
- Tools and Software (9)
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Packet Loss: Common Causes and Fixes
What causes packet loss, how to find where it starts, and which fixes to…
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How to Troubleshoot a Network Step by Step
A calm, repeatable routine for finding the cause of a network problem, from defining…
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Network Performance Monitoring Fundamentals
A plain guide to the core metrics, collection methods and baselines behind network performance…
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Understanding Network Latency and How to Measure It
What network latency is, how one-way delay differs from round-trip time, and how to…
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The Key Metrics Every Network Monitor Should Track
The core network monitoring metrics, what each one tells you, which data source supplies…
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Bandwidth Monitoring: Finding What Uses Your Capacity
How bandwidth monitoring works: counter polling, 64-bit counters, reboot spikes and flow data for…
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What Is a MIB and How It Maps to OIDs
A MIB is the text module that gives names, types and meanings to the numeric OIDs on a device. Here is how the mapping…
Guides
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Network Discovery Tools for Finding Connected Devices
Learn how network discovery tools find devices with ping scans, SNMP, LLDP, CDP and ARP, and why combining methods gives…
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Setting Useful Network Alerts and Thresholds
How to set network alerts and thresholds that page you only when action is needed.
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Free Tools for Monitoring Devices over SNMP
A practical look at free SNMP monitoring tools, focusing on LibreNMS discovery and Zabbix polling and traps.
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Creating a Network Baseline for Normal Behaviour
How to build a network baseline: the metrics to record, how long to observe, and how to keep it current.