Professional training in London and 13 international cities info@llmi.uk

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
  • 12Upcoming dates
  • 6Cities
  • £2,840Fees 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

  1. 1Day 1: Networking Fundamentals
    • Network models
    • Ethernet
    • IP addressing
    • Subnetting
    • Network devices
    • Lab: Subnetting exercise
  2. 2Day 2: Switching and Routing
    • Switch configuration
    • VLANs
    • Routing basics
    • Routing protocols overview
    • Redundancy
    • Lab: VLAN configuration
  3. 3Day 3: Services and Wireless
    • DNS and DHCP
    • NAT
    • Wireless networks
    • Quality of service
    • Documentation
    • Lab: Wireless setup
  4. 4Day 4: Monitoring
    • Monitoring tools
    • SNMP and flow data
    • Performance baselines
    • Alerts
    • Capacity
    • Exercise: Monitoring dashboard
  5. 5Day 5: Troubleshooting
    • Troubleshooting methodology
    • Common issues
    • Diagnostic tools
    • Root cause
    • Documentation
    • Capstone: Troubleshooting challenge

Dates and fees

11JAN 11 - 15 Jan 20275 days BarcelonaSpain £3,850+ VAT Register
8FEB 8 - 12 Feb 20275 days GenevaSwitzerland £5,250+ VAT Register
8MAR 8 - 12 Mar 20275 days RomeItaly £4,250+ VAT Register
12APR 12 - 16 Apr 20275 days Cape TownSouth Africa £2,840+ VAT Register
10MAY 10 - 14 May 20275 days AmsterdamNetherlands £4,250+ VAT Register
14JUN 14 - 18 Jun 20275 days LondonUnited Kingdom £4,200+ VAT Register
12JUL 12 - 16 Jul 20275 days AmsterdamNetherlands £4,250+ VAT Register
9AUG 9 - 13 Aug 20275 days BarcelonaSpain £3,850+ VAT Register
13SEP 13 - 17 Sep 20275 days GenevaSwitzerland £5,250+ VAT Register
11OCT 11 - 15 Oct 20275 days RomeItaly £4,250+ VAT Register
8NOV 8 - 12 Nov 20275 days GenevaSwitzerland £5,250+ VAT Register
13DEC 13 - 17 Dec 20275 days AmsterdamNetherlands £4,250+ VAT Register

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.

How much does the course cost?

Fees start from £2,840 + VAT 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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