An intensive hands on IP routing course leading to LINX Accredited Internet Technician stage 2 focusing on routing in an IP environment. The course concentrates on OSPF and IS-IS but also covers STP and VLANS. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment.

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TCP/IP Foundation for engineers

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Delegates will learn how to

By the end of the course delegates will be able to:

  • Calculate subnet numbers in seconds.
  • Configure and troubleshoot static routes.
  • Explain how OSPF works.
  • Build resilient networks with VRRP and OSPF.
  • Implement and troubleshoot OSPF, IS-IS and VLANS.
  • Evaluate and choose appropriate routing protocols for particular scenarios.
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Basic routing

Review of LAIT I routing, reading routing tables.

Setting up a routed network.

Static routes

Why use static routes? Default routes.

Configuring static routes.

First hop redundancy

Default gateways, VRRP/HSRP/GBLP. Load sharing, critical IP addresses.



What is OSPF? Process IDs, passive interfaces.

Simple OSPF.


Bit boundary subnetting, calculating network numbers. Exercise: Subnetting.


Metrics, convergence, DV vs. Link state, IGPs, classless, OSPF features, load sharing, OSPF authentication.

OSPF features.

OSPF within an area

How OSPF works, LSDB, LSAs, router IDs, hellos, configuring hellos, exchange protocol.

Investigating OSPF structures.


Scalability, why areas? Area IDs, area 0, ABRs, ABR resilience, areas & LSDBs & LSAs, Type 3s, virtual links.

Multi area OSPF.


Multiple routing protocols, common scenarios, routing distance, External LSAs, E1 and E2. Type 4 LSAs. OSPF and default routes.

Configuring static route redistribution.

Route aggregation

Route summarisation. How to aggregate, ABR summarisation, ASBR summarisation.

OSPF address summarisation.

OSPF packet formats

OSPF packets, protocol stack, packet flows, OSPF headers, neighbours, neighbour states, DRs, adjacencies, BDRs, DR election.

Analysing OSPF packets, troubleshooting.

OSPF stub areas

LSA types, area types, area architecture, stub areas, default routes, benefits & disadvantages of stub areas, TSSAs, NSSAs, Type 7 LSAs.

Stub and TSSA configuration.


End systems, Intermediate systems, how IS-IS works, IS-IS router ID, Level 1, Level 2, IS-IS hierarchy.

Configuring IS-IS, troubleshooting IS-IS.

Routing IPv6

Multiprotocol routing, IPv6 addressing, IPv6 routing tables, IPv6 static routes, OSPFv3, IS-IS and IPv6.

Routing IPv6.

STP and L2 routing




Core MPLS, MPLS and the 7 layer model, MPLS protocol, MPLS standard, MPLS runs on routers, MPLS history, Why MPLS?. LSRs, PE and P router roles, FEC, swapping labels, MPLS packet format.

Enabling MPLS. Testing and troubleshooting of MPLS.


Appendix: EIGRP: How EIGRP works, DUAL.

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Why choose QA

Dates & Locations

Need to know

Frequently asked questions

How can I create an account on myQA.com?

There are a number of ways to create an account. If you are a self-funder, simply select the "Create account" option on the login page.

If you have been booked onto a course by your company, you will receive a confirmation email. From this email, select "Sign into myQA" and you will be taken to the "Create account" page. Complete all of the details and select "Create account".

If you have the booking number you can also go here and select the "I have a booking number" option. Enter the booking reference and your surname. If the details match, you will be taken to the "Create account" page from where you can enter your details and confirm your account.

Find more answers to frequently asked questions in our FAQs: Bookings & Cancellations page.

How do QA’s virtual classroom courses work?

Our virtual classroom courses allow you to access award-winning classroom training, without leaving your home or office. Our learning professionals are specially trained on how to interact with remote attendees and our remote labs ensure all participants can take part in hands-on exercises wherever they are.

We use the WebEx video conferencing platform by Cisco. Before you book, check that you meet the WebEx system requirements and run a test meeting (more details in the link below) to ensure the software is compatible with your firewall settings. If it doesn’t work, try adjusting your settings or contact your IT department about permitting the website.

How do QA’s online courses work?

QA online courses, also commonly known as distance learning courses or elearning courses, take the form of interactive software designed for individual learning, but you will also have access to full support from our subject-matter experts for the duration of your course. When you book a QA online learning course you will receive immediate access to it through our e-learning platform and you can start to learn straight away, from any compatible device. Access to the online learning platform is valid for one year from the booking date.

All courses are built around case studies and presented in an engaging format, which includes storytelling elements, video, audio and humour. Every case study is supported by sample documents and a collection of Knowledge Nuggets that provide more in-depth detail on the wider processes.

When will I receive my joining instructions?

Joining instructions for QA courses are sent two weeks prior to the course start date, or immediately if the booking is confirmed within this timeframe. For course bookings made via QA but delivered by a third-party supplier, joining instructions are sent to attendees prior to the training course, but timescales vary depending on each supplier’s terms. Read more FAQs.

When will I receive my certificate?

Certificates of Achievement are issued at the end the course, either as a hard copy or via email. Read more here.

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