Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

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© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 1 Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

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Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP. Using BGP to Connect Autonomous Systems. Establishing a BGP Peer. BGP and CIDR. Example of Policy-Based Routing Using BGP. The Next-Hop Router in a MultiaccessNetwork. - PowerPoint PPT Presentation

Transcript of Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

Page 1: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 1

Unit 8

BGP Basics

Chapter 15

Connecting to Other Autonomous Systems – The

Basics of BGP

Page 2: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 2

Using BGP to Connect Autonomous Systems

Page 3: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 3

Establishing a BGP Peer

Page 4: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 4

BGP and CIDR

Page 5: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 5

Example of Policy-Based Routing Using BGP

Page 6: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 6

The Next-Hop Router in a MultiaccessNetwork

Page 7: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 7

The Next-Hop Router in an NBMA Network

Page 8: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 8

Topology for Example 15-1

Page 9: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 9

Administrative Distance and BGP

Page 10: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 10

Default and Static Route Configuration into the Internet

Page 11: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 11

Path Selection in BGP

Page 12: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 12

Diagram for Scenario 15-1

Page 13: Unit 8 BGP Basics Chapter 15 Connecting to Other Autonomous Systems – The Basics of BGP

© 2006 ITT Educational Services Inc. Advanced Routing and Switching I: Unit 8: Chapter 15: Slide 13

Diagram for Scenario 15-2


Introduction to BGP · 2021. 7. 1. · Configuring BGP in JunOS pThis command sets the local autonomous system number pAll BGP configuration is then carried out under: pJunOSdisplays

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BGP Tutorial - Internet2 · PDF fileWhat’s In Store? • Routing Architectures • BGP Basics • Path Selection (many examples) • BGP State Machine • Multiprotocol Extensions

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IP Routing: BGP Configuration Guide, Cisco IOS Release 12 · BGP Router ID 25 BGP-Speaker and Peer Relationships 25 BGP Autonomous System Number Formats 25 Cisco Implementation of

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BGP for Internet Service Providers - Meet us in Atlanta ... · PDF fileBGP for Internet Service Providers • BGP Basics (quick recap)

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BGP version 4 Autonomous system (AS) · BGP protocol Uses TCP over port 179 Usually with a directly connected neighbor on layer 2 Exchanges Network Layer Reachability Information

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© 2005 Cisco Systems, Inc. All rights reserved. BGP v3.2—2-1 BGP Transit Autonomous Systems Monitoring and Troubleshooting IBGP in a Transit AS.

© 2005 Cisco Systems, Inc. All rights reserved. BGP v3.2—2-1 BGP Transit Autonomous Systems Monitoring and Troubleshooting IBGP in a Transit AS.

Border Gateway Protocol (BGP)blough.ece.gatech.edu/4110/RoutingBGP.pdf · Border Gateway Protocol (BGP) Between Autonomous Systems: uses path vector routing. This routing protocol

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Border Gateway Protocol (BGP4) Border Gateway Protocol (BGP) Routing/Forwarding basics Building blocks Exercises BGP protocol basics Exercises BGP path.

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MikroTik RouterOS Training Inter-Networking - · PDF file8/28/2014 Internetworking 1 MikroTik RouterOS Training Inter-Networking ©Mikrotik 2012 2 Overview BGP BGP Basics (iBGP, eBGP)

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BGP Techniques for Internet Service Providers · BGP Techniques for Internet Service Providers BGP Basics Scaling BGP ... BGP default is for external next-hop to be propagated unchanged

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The Basics of BGP (Border Gateway Protocol) Routing and its Performance in Today’s Internet

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BGP is not only a TCP session · BGP (Border Gateway Protocol) • BGP is a standardized EGP designed to exchange routing and reachability information between autonomous systems (ASs)

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Securing BGP Bruce Maggs. BGP Primer AT&T 7018 12/8 Sprint 1239 144.223/16 CMU 9 128.2/16 bmm.pc.cs.cmu.edu 128.2.205.42 Autonomous System Number Prefix.

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