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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