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What are the most important WAN troubleshooting skills?

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WAN troubleshooting skills are essential for network professionals who work with wide area networks (WANs), which connect remote sites and users over long distances. WANs are complex and prone to various issues, such as latency, packet loss, congestion, routing errors, security breaches, and configuration errors. To diagnose and resolve these problems, network troubleshooters need to master a set of skills that include:

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Matheus Joaquim Cofferri

Lidero as transforma??es no mercado de telecom
Rohit Tarang

Associate Manager IT @ HCG | Networking | Cloud

1 Understanding WAN architectures

The first step in WAN troubleshooting is to understand the WAN architecture, which consists of the physical and logical components, protocols, and services that make up the network. For example, a WAN may use different types of links, such as leased lines, broadband, wireless, or satellite, and different types of devices, such as routers, switches, firewalls, or VPNs. A WAN may also use different protocols and services, such as MPLS, SD-WAN, IPsec, or VoIP. Knowing the WAN architecture helps troubleshooters identify the scope, location, and cause of the problem.

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Rohit Tarang

Associate Manager IT @ HCG | Networking | Cloud
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1. Network Monitoring: The ability to use network monitoring tools to identify performance issues and outages. 2. Understanding Protocols: A strong grasp of WAN protocols (e.g., BGP, OSPF, MPLS) to diagnose routing problems. 3. Packet Analysis: Proficiency in packet analysis tools like Wireshark to pinpoint network packet issues. 4. Configuration Analysis: Skill in reviewing and analyzing router and firewall configurations for misconfigurations. 5. Latency Analysis: Capability to assess latency and jitter issues and determine sources. 6. Bandwidth Management: Managing bandwidth allocation and identifying bandwidth-hogging applications. 7. Security Awareness: Knowledge of WAN security protocols to address vulnerabilities and threats.

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2 Using WAN monitoring tools

The second step in WAN troubleshooting is to use WAN monitoring tools, which collect and analyze data from the network devices and links. These tools can provide information such as bandwidth utilization, traffic patterns, performance metrics, error rates, and alerts. Some examples of WAN monitoring tools are SNMP, NetFlow, ping, traceroute, and Wireshark. Using WAN monitoring tools helps troubleshooters measure the impact, severity, and frequency of the problem.

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3 Applying WAN troubleshooting methods

The third step in WAN troubleshooting is to apply WAN troubleshooting methods, which are systematic and logical processes that guide troubleshooters to find and fix the problem. These methods can vary depending on the situation, but they generally involve the following steps: define the problem, gather information, analyze information, propose solutions, test solutions, implement solutions, and document results. Applying WAN troubleshooting methods helps troubleshooters reduce trial and error, save time and resources, and prevent recurrence of the problem.

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4 Communicating with WAN stakeholders

The fourth step in WAN troubleshooting is to communicate with WAN stakeholders, who are the people or groups that are affected by or involved in the problem. These stakeholders may include end users, network administrators, service providers, vendors, or managers. Communicating with WAN stakeholders helps troubleshooters obtain feedback, verify facts, coordinate actions, report progress, and provide support. Communication skills such as listening, questioning, explaining, and documenting are crucial for WAN troubleshooting.

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5 Updating WAN knowledge and skills

The fifth step in WAN troubleshooting is to update WAN knowledge and skills, which are the theoretical and practical aspects of working with WANs. WANs are constantly evolving and changing, as new technologies, standards, and best practices emerge. Troubleshooters need to keep up with these changes and learn new skills and techniques that can improve their WAN troubleshooting capabilities. Updating WAN knowledge and skills helps troubleshooters stay relevant, competitive, and confident in their field.

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6 Developing WAN troubleshooting mindset

The sixth step in WAN troubleshooting is to develop WAN troubleshooting mindset, which is the attitude and approach that troubleshooters adopt when facing WAN problems. A WAN troubleshooting mindset is characterized by curiosity, creativity, persistence, and patience. Troubleshooters who have this mindset are eager to learn, willing to experiment, ready to overcome challenges, and able to cope with stress. Developing WAN troubleshooting mindset helps troubleshooters enjoy their work, grow their career, and deliver value to their organization.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Matheus Joaquim Cofferri

Lidero as transforma??es no mercado de telecom
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Application Layer Troubleshooting isProficiency in identifying problems in applications and services utilizing the WAN and Protocol Knowledge, A deep understanding of network protocols such as TCP/IP, BGP, OSPF, and MPLS for diagnosing issues.

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What are the most important WAN troubleshooting skills?

1

2

3

4

5

6

7

1 Understanding WAN architectures

2 Using WAN monitoring tools

3 Applying WAN troubleshooting methods

4 Communicating with WAN stakeholders

5 Updating WAN knowledge and skills

6 Developing WAN troubleshooting mindset

7 Here’s what else to consider

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What are the most important WAN troubleshooting skills?

1

2

3

4

5

6

7

1 Understanding WAN architectures

2 Using WAN monitoring tools

3 Applying WAN troubleshooting methods

4 Communicating with WAN stakeholders

5 Updating WAN knowledge and skills

6 Developing WAN troubleshooting mindset

7 Here’s what else to consider

Telecommunication Services

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