BGP – Border Gateway Protocol Duration: 3 days

BGP – Border Gateway Protocol
CONTENT
BGP is the routing protocol used to exchange routing information between different Internet networks, e.g between a multi-homed subscriber and the ISP network. During the course theoretical presentations are mixed with practical exercises. The course covers fundamental BGP configuration as well as specific BGP issues such as creating a routing policy, building scalable BGP configurations, building a multi-homed network, getting an AS number and how to connect to an Internet exchange.

TARGET AUDIENCE
The course is targeted for people working with design, maintenance and configuration of routers in IP networks.

PREREQUISITES
This course requires good TCP/IP knowledge as well as fundamental routing protocol knowledge.

EXCERCISES
This is a theoretical training with practical exercises.

NOTE: This course is not delivered with the FoldOut methodology.

BGP Fundamentals
•    Border Gateway Protocol
•    Autonomous System (AS)
•    Peer
•    Peering
•    Transit
•    Default Free Zone (DFZ)

Basic functions
•    external BGP (eBGP)
•    internal BGP (iBGP)

BGP Configuration BGP Attributs
•    AS-Path
•    Next HOP
•    iBGP Next HOP
•    Origin
•    Aggregator
•    Local-pref
•    Weight
•    Multi-exit Discriminator (MED)
•    Community

BGP path algorithm The BGP protocol BGP Policy
•    Route-maps
•    Example
•    Building a scaleable BGP configuration
•    dynamic reconfiguration
•    “Soft reconfiguration”
•    BGP Peer-groups
•    BGP Route-reflectors
•    BGP Confederations
•    Route-flap dampening
•    Scaling iBGP

BGP Hints
•    injecting IGP or BPG routes
•    Combining two AS

BGP vs IGP as OSPF/IS-IS Troubleshooting
•    iBGP
•    eBGP
•    Confederations

Route source
•    Oscillating routes
•    Route selection
•    Routing loop

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