Professional training course · IMCS-024
Network Administration and Troubleshooting
Network problems affect every user and service. Network administrators need structured skills to configure, monitor and troubleshoot networks quickly and reliably. This…
- 5 daysClassroom or online
- 12Upcoming dates
- 6Cities
- £2,750Fees from
Course overview
Why Attend
Network problems affect every user and service. Network administrators need structured skills to configure, monitor and troubleshoot networks quickly and reliably.
This LLMI course covers network fundamentals, switching and routing, VLANs, IP addressing, wireless networks, network services, monitoring tools and systematic troubleshooting methods. Participants practise configuration and troubleshooting using lab scenarios.
The course builds practical, vendor-neutral networking skills.
Course Objectives
Explain network fundamentals and protocols
Configure switches, VLANs and routing
Manage IP addressing and network services
Administer wireless networks
Monitor network performance
Troubleshoot network problems systematically
Target Audience
Network administrators
IT support engineers
Infrastructure technicians
System administrators
IT professionals new to networking
Help desk leads
Course Methodology
Hands-on labs
Demonstrations
Troubleshooting scenarios
Diagramming exercises
Group discussions
Course outline
-
1Day 1: Networking Fundamentals
- Network models
- Ethernet
- IP addressing
- Subnetting
- Network devices
- Lab: Subnetting exercise
-
2Day 2: Switching and Routing
- Switch configuration
- VLANs
- Routing basics
- Routing protocols overview
- Redundancy
- Lab: VLAN configuration
-
3Day 3: Services and Wireless
- DNS and DHCP
- NAT
- Wireless networks
- Quality of service
- Documentation
- Lab: Wireless setup
-
4Day 4: Monitoring
- Monitoring tools
- SNMP and flow data
- Performance baselines
- Alerts
- Capacity
- Exercise: Monitoring dashboard
-
5Day 5: Troubleshooting
- Troubleshooting methodology
- Common issues
- Diagnostic tools
- Root cause
- Documentation
- Capstone: Troubleshooting challenge
Schedule
Dates and fees
12 upcoming dates in 6 cities. Fees are per delegate; bring colleagues and every seat is discounted. Every date can also be joined live online for £1,280.
No dates in this city right now. Request a quotation and we will suggest the nearest date.
Join the class in real time from your office or home: live sessions with the trainer, group discussion, course materials and a certificate of completion. Joining details are emailed before the course starts.
Questions
Frequently asked questions
How long is the Network Administration and Troubleshooting course?
The course runs over 5 days of classroom training, usually Monday to Friday.
When is the next Network Administration and Troubleshooting course?
The next public date is 11 - 15 Jan 2027 in Barcelona. There are 12 upcoming dates in total.
Where is this course held?
Upcoming sessions run in Barcelona, Geneva, Rome, Cape Town, Amsterdam, London.
Can I take Network Administration and Troubleshooting online?
Yes. Every date can also be joined live online in a virtual classroom with the trainer, for £1,280 per participant. Choose "Live online" in the dates table when you register.
How much does the course cost?
Fees start from £2,750 per delegate, depending on the city. Fees include tuition and course materials.
Do participants receive a certificate?
Yes. Delegates who complete the course receive a London Leadership Management Innovation certificate of completion.
Can this course be delivered in-house for our team?
Yes. LLMI can tailor and deliver this course privately for your organisation at your premises or in one of our training cities.
Course information last updated 14 November 2026.
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