LINX training course description
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 but also covers network management, STP and VLANS. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment.
Who will benefit?
Network engineers.
LINX training course prerequisites
LAIT I attendance and 55%+ exam score. OR
LAIT I exam only and pass (70%+). OR
CCNA and take LAIT I exam on this course.
LINX training course objectives
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.
- Implement and troubleshoot VLANS.
- Evaluate and choose appropriate routing protocols for particular scenarios.
Duration: 5 days
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LINX
training course contents
Review of LAIT I and troubleshooting
Locating faults, troubleshooting tools. Hands on: Setting up a routed network.
Static routes
Why use static routes? Default routes. Hands on: Configuring static routes.
Basic routing and OSPF
Reading routing tables, What is OSPF? Process IDs, passive interfaces. Hands on: Simple OSPF.
VRRP
Default gateways, VRRP/HSRP. Load sharing, critical IP addresses. Hands on: VRRP.
Subnetting.
Bit boundary subnetting, calculating network numbers. Exercise: Subnetting.
OSPF
Metrics, convergence, DV vs. Link state, IGPs, classless, OSPF features, load sharing, OSPF authentication. Hands on: OSPF features.
OSPF within an area
How OSPF works, LSDB, LSAs, router IDs, hellos, configuring hellos, exchange protocol. Hands on: Investigating OSPF structures.:
Areas
Scalability, why areas? Area IDs, area 0, ABRs, ABR resilience, areas & LSDBs & LSAs, Type 3s, virtual links. Hands on: Multi area OSPF.
Redistribution
Multiple routing protocols, common scenarios, routing distance, External LSAs, E1 and E2. Type 4 LSAs. OSPF and default routes. Hands on: Configuring static route redistribution.
Route aggregation
Route summarisation. How to aggregate, ABR summarisation, ASBR summarisation. Hands on: OSPF address summarisation.
OSPF packet formats
OSPF packets, protocol stack, packet flows, OSPF headers, neighbours, neighbour states, DRs, adjacencies, BDRs, DR election. Hands on: Analysing OSPF packets, troubleshooting.
OSPF stub areas
LSA types, area types, area architecture, stub areas, default routes, benefits and disadvantages of stub areas, TSSAs, NSSAs, Type 7 LSAs. Hands on: Stub and TSSA configuration.
Network management (SNMP)
Device discovery, using a network management station to diagnose routing problems, polling, alarms. Exercise: Tracking faults with an NMC.
VLANS and STP
STP, RSTP, Inter VLAN routing. Hands on: STP and configuring VLANs on a switch.
EXAM
Appendix: EIGRP: How EIGRP works, DUAL.
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