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BGP Training Course

 

    • BGP overview

 

    • AS & ASN

 

    • Types of ASN

 

    • Why we use BGP?

 

    • » Traffic flow in IGP

 

    • » Traffic Flow in BGP

 

    • When to use BGP

 

    • When no to use BGP

 

    • BGP limitation

 

    • BGP Tables

 

    • Types of BGP peer or speaker

 

    • Single homed

 

    • Multi homed

 

    • Transit AS

 

    • BGP neighbor discovery

 

    • Establishing a BGP session

 

    • How to configure IBGP & EBGP peer

 

    • When BGP peering fails

 

    • » Neighbor is reachable but TCP port 179 is blocked

 

    • » Neighbor not reachable

 

    • » Neighbor not configured

 

    • » ASN mismatched

 

    • BGP update source loopback

 

    • BGP multi-hopBGP authentication

 

    • BGP aggregation

 

    • BGP proxy aggregation

 

    • BGP next-hop-self

 

    • BGP classful network advertisement

 

    • BGP classless network advertisement

 

    • BGP Synchronization Rule

 

    • IBGP split horizon

 

    • BGP Message type

 

    • » Open Message

 

    • » Keep alive Message

 

    • » Update Message

 

    • » Notification Message

 

    • NLRI

 

    • BGP FSM(Finite-State-Machine)

 

    • » Idle, Connect , Active ,Open Sent ,Open Confirm ,Established

 

    • BGP Attributes

 

    • » Well-known Attributes

 

    • » Well-Known Mandatory

 

    • – Origin

 

    • – Next-hop

 

    • – AS-Path

 

    • » Well-Known Discretionary

 

    • – Local PreferenceA

 

    • – Atomic aggregate

 

    • » Optional Attributes

 

    • » Transitive Optional Attributes

 

    • – Aggregator

 

    • – Community

 

    • » Non Transitive Optional Attributes

 

    • – MED

 

    • – Originator ID

 

    • – Cluster-List

 

    • BGP Path attributes MAP

 

    • BGP Path Selection Process

 

    • AS path filteringPrefix-list Vs ACL

 

    • OUTBOUND Route filtering

 

    • Route-map with match & set statements

 

    • Hard & soft reset

 

    • Soft reconfiguration & route refresh

 

    • Soft reconfiguration & memory uses

 

    • Inbound & outbound soft reconfiguration

 

    • Next-hop attribute point-to-pointNext-hop attribute BMA

 

    • Next-hop attribute NBMA

 

    • BGP route selection with weight per neighbor

 

    • Weight with route-map

 

    • BGP local preference

 

    • Default local preferenceLocal preference with route map

 

    • Route selection with Local preference

 

    • Monitoring Local preference AS path-prepending

 

    • Return Path selection in multi As

 

    • Default return path

 

    • Proper return path

 

    • Monitoring As-Path prepending

 

    • BGP multi-exit Discriminator

 

    • Selecting the proper return path with MED

 

    • Default MED

 

    • Advance MED conceptMonitoring MED

 

    • BGP Communities

 

    • » Internet

 

    • » No-Export

 

    • » No-Advertise

 

    • » Local-AS

 

    • » None

 

    • How to define Own Community ?

 

    • BGP communities with route-map

 

    • Monitoring communities

 

    • Procedure for Own Community-list

 

    • Customer to provider connectivity with BGP

 

    • » Single permanent connection to the internet

 

    • » Multiple permanent connection provides redundancy

 

    • » Multiple permanent connection providing load sharing

 

    • » Multiple connection to multiple service provider

 

    • IP addressing requirement for single homed customer

 

    • IP address requirement for multi-homed customer

 

    • ASN allocation to single homed customer

 

    • ASN allocation to multi-homed customer

 

    • Removing private ASN Primary & Backup link selection

 

    • ASN Translation

 

    • BGP incoming traffic selection policy using own community list

 

    • Transit AS

 

    • Internal route propagation

 

    • Packet forwarding in an ASI

 

    • BGP split horizon

 

    • IBGP Full Mesh

 

    • Recursive lookup in Cisco IOS

 

    • IBGP required IGP

 

    • IBGP session with loopback

 

    • IBGP synchronization

 

    • Drawback of logical Full mesh

 

    • Introduction to Confederation

 

    • » Splitting a Transit AS with BGP confederation

 

    • » AS-Path propagation with in the BGP confederation

 

    • » Intra confederation IBGP session properties

 

    • » Monitoring confederation

 

    • Route-Reflector

 

    • » Router-Reflector

 

    • – Client

 

    • – Non-client

 

    • » Redundant Route-Reflector

 

    • – Originator ID

 

    • – Cluster ID

 

    • BGP Optimization

 

    • BGP convergence time reduction or improving

 

    • BGP convergence

 

    • » BGP routing process

 

    • BGP open

 

    • BGP input/output

 

    • BGP scanner

 

    • – High CPU due to BGP scanner process

 

    • BGP router

 

    • – High CPU due to BGP router process

 

    • Max path transmission unit discovery & monitoring

 

    • Increasing the input hold queue

 

    • – How to improve BGP input queue & its monitoring?

 

    • BGP scan time

 

    • – How to change scan time & its monitoring?

 

    • BGP Advertisement interval

 

    • – How to change BGP advertisement interval & its monitoring?

 

    • Limiting no. of prefix receive from a BGP neighbor (Maximum , threshold, Warning-only ,Restart)

 

    • Monitoring the BGP max-prefix function

 

    • BGP Peer Groups

 

    • » Peer group requirement

 

    • » Peer group as a BGP performance tool

 

    • » BGP peer group limitation

 

    • » Monitoring BGP peer group

 

    • BGP Route Dampening

 

    • BGP route dampening operation

 

    • BGP route Dampening components

 

    • » Flap

 

    • » History state

 

    • » Penalty

 

    • » Damp state

 

    • » Suppress limit

 

    • » Half-life

 

    • » Reuse-limit

 

    »Max suppress limit