Contents
Spanning Tree
802.1D STP review, root bridge election & path cost,
STP applications, RSTP 802.1W, single instance STP, PVST:
Load balancing traffic, topology groups, VRRPe and STP.
OSPF
OSPF Adjacency
OSPF Packet Types, adjacency process, OSPF debug commands,
link state costs, MD5 authentication.
OSPF Database
LSA's, the LSDB.
OSPF Route Summarization
Redistribution, route summarization benefits, Inter-Area
summarization.
Administrative Distance (AD)
Defaults, AD vs. metrics, modifying.
Blocking External LSA's
Normal, stub, TSSA and NSSA areas and passing of LSA’s.
Area types and performance, changing area types.
OSPF filters
Filter types and their behaviour.
BGP
BGP Fundamentals
Message types, session states, how BGP works, attributes,
routing policy.
Route Filtering and Selection
Route exchange and filtering; IP/BGP tables, input/output
policies.
Implementing BGP Policy Change
hard/soft-reconfig, route-refresh.
Manipulating Attributes using Route Maps
Influencing route selection and traffic flow, BGP policies.
Filtering Prefixes
AS-Path access-lists, prefix-lists.
Transit Autonomous Systems
Communities, filtering, AS:NN names.
Redundancy
Control of inbound and outbound traffic, when not to use
BGP.
MultiHomed to ISPs
When to use BGP; load sharing for in/outbound traffic, multihomed
designs, return path selection.
BGP Convergence and Route flap Dampening
Route flaps, route flap dampening operation, configuration.
Scaling IBGP
IBGP full mesh limitations, stable IBGP design, route reflectors,
confederations, peer groups.
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