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You're reading from  Designing and Implementing Microsoft Azure Networking Solutions

Product typeBook
Published inAug 2023
PublisherPackt
ISBN-139781803242033
Edition1st Edition
Tools
Azure
Concepts
Networking
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Author (1)
David Okeyode
David Okeyode
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David Okeyode

David is the EMEA Azure CTO at Palo Alto Networks. Before that, he was an independent consultant helping companies secure their Azure environments through private expert level trainings and assessments. He has authored two books on Azure security - "Penetration Testing Azure for Ethical Hackers" and "Microsoft Azure Security Technologies Certification and Beyond. He has also authored multiple cloud computing courses for popular platforms like LinkedIn Learning. He holds over 15 cloud certifications and has over a decade of experience in Cybersecurity (consultancy, design, implementation). David is married to a lovely girl who makes the best banana cake in the world. They love travelling the world together!
Read more about David Okeyode

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Understanding the implementation of BFD

No network is completely fault-proof! Hardware issues or incorrect configurations can happen. To mitigate the effects of these failures, it is essential to have a well-designed network that includes mechanisms to minimize their impact.

Every ExpressRoute circuit is established with a primary and secondary connection between a redundant pair of CE/partner edge routers and Microsoft edge routers (as shown in Figure 6.32). The routing between these two sides is managed by BGP, which also detects any downlinks and automatically switches to the other available link:

Figure 6.32 – ExpressRoute redundancy

Figure 6.32 – ExpressRoute redundancy

BGP uses two key parameters to detect link failures and initiate failover—the keep-alive time and the holdtime. Keep-alive messages are sent between the routers to confirm that the connection is still active. The frequency of these messages is determined by the configured keep-alive time. On Microsoft...

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Designing and Implementing Microsoft Azure Networking Solutions
Published in: Aug 2023Publisher: PacktISBN-13: 9781803242033
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
David Okeyode

David is the EMEA Azure CTO at Palo Alto Networks. Before that, he was an independent consultant helping companies secure their Azure environments through private expert level trainings and assessments. He has authored two books on Azure security - "Penetration Testing Azure for Ethical Hackers" and "Microsoft Azure Security Technologies Certification and Beyond. He has also authored multiple cloud computing courses for popular platforms like LinkedIn Learning. He holds over 15 cloud certifications and has over a decade of experience in Cybersecurity (consultancy, design, implementation). David is married to a lovely girl who makes the best banana cake in the world. They love travelling the world together!
Read more about David Okeyode

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