Course : Cisco routers, BGP implementation

Practical course - 4d - 28h00 - Ref. BGP
Price : 2380 € E.T.

Cisco routers, BGP implementation




This high-level course is entirely dedicated to the BGP protocol and its use in operator networks and in the interconnection of Campus networks. You'll learn how to design, maintain and troubleshoot BGP networks, thanks to a wide range of practical exercises.


INTER
IN-HOUSE
CUSTOM

Practical course in person or remote class
Disponible en anglais, à la demande

Ref. BGP
  4d - 28h00
2380 € E.T.




This high-level course is entirely dedicated to the BGP protocol and its use in operator networks and in the interconnection of Campus networks. You'll learn how to design, maintain and troubleshoot BGP networks, thanks to a wide range of practical exercises.


Teaching objectives
At the end of the training, the participant will be able to:
Designing BGP networks
Maintain and troubleshoot BGP networks
BGP features

Intended audience
Network administrators and engineers.

Prerequisites
Good knowledge of IGP routing protocols, redistribution mechanisms and route-map or equivalent to the course "Cisco routers, advanced" ref. ROP.

Course schedule

1
Introduction to the BGP protocol

  • BGP features.
  • Definition of BGP sessions and operating mode.
  • Introduction and definition of attributes.
  • The route selection algorithm.
  • Management of network announcements.
  • Setting up a simple BGP session.
  • Redistribution within BGP and aggregation.
  • BGP table and neighbor management.
Hands-on work
Configuring E-BGP and I-BGP connections. Interaction between the two connections.

2
Configuring a transit AS

  • Operation of a transit AS.
  • IBGP and EBGP sessions, 'Next-Hop' attribute management.
  • IGP/BGP interaction.
  • Configuring a transit AS.
  • Troubleshooting examples.
Hands-on work
Configuring a transit AS.

3
Route selection and filtering

  • Dual-connection network to one operator.
  • The different possible routing policies.
  • AS-path-based route filtering.
  • Regular expressions, Prefix-list, Route-map.
  • Use of ORF. Resetting BGP sessions.
Hands-on work
Multi-operator connection configuration. Filtering with prefix lists.

4
Route selection based on attributes

  • The "Weight". The "Local Preference".
  • AS-Path Prepending.
  • The " MED " (Multi Exit Discriminator) attribute.
  • Communities.
Hands-on work
Influencing route selection with the Weight attribute. How to position Local Preferences. MED. Using Communities.

5
Connectivity

  • The problem of customer-operator connectivity.
  • Connectivity using static routes.
  • Multiple connectivity to a single operator.
  • Multi-operator connectivity.

6
BGP on operator networks

  • Classic operator network with BGP and IGP.
  • Design networks based on hierarchical " Route Reflectors ". Configure "Route Reflectors".
  • BGP confederations. Configuration.
Hands-on work
Introduction to "Routes reflectors". Confederations configuration and supervision.

7
BGP optimization functions

  • Improving convergence.
  • Limit the number of BGP prefixes received.
  • Peer Groups". "Route Dampening".
Hands-on work
Function configuration.


Publication date : 01/17/2024



This programme is an original creation, developed by the teaching teams at ORSYS Formation. Any reproduction, representation, adaptation or use, in whole or in part, without the prior written authorisation of ORSYS, is strictly prohibited. ORSYS reserves the right to take any action necessary to protect its intellectual property rights.

Dates and locations
Select your location or opt for the remote class then choose your date.
Remote class

Dernières places
Date garantie en présentiel ou à distance
Session garantie

REMOTE CLASS
2026 : 29 Sep.

2027 : 15 June, 15 June

PARIS LA DÉFENSE
2026 : 29 Sep.



This programme is an original creation, developed by the teaching teams at ORSYS Formation. Any reproduction, representation, adaptation or use, in whole or in part, without the prior written authorisation of ORSYS, is strictly prohibited. ORSYS reserves the right to take any action necessary to protect its intellectual property rights.