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• BGPexpert.com - Valid address space, bogons and martians

  Valid address space, bogons and martians (posted 2019-11-28) There are some advantages to filtering out packets with invalid addresses in them. That would be a packet with a private source or destina...

• 20 years of BGP - BGPexpert.com

  Home · BGP Expert Test · What is BGP? · BGP Vendors · Links · Archives · Books · My BGP Book 20 years of BGP (posted 2015-08-15) 20 years ago today, I got my first autonomous system (AS) number, mark...

• BGPexpert.com - Mixing IPv4 and IPv6 in BGP

  Mixing IPv4 and IPv6 in BGP (posted 2016-03-18) When I first started running IPv6 over BGP, I ran into an interesting problem. The Cisco router I was working on had four full BGP feeds over IPv4. But...

• BGPexpert.com - The effectiveness of AS path prepending

  Just about everyone prepends AS’ to shift inbound traffic from one provider to another—but does this really work? (AS path prepending means making the network path as BGP sees it longer to make ...

• BGPexpert.com - When the BGP table hits 1 million prefixes, will history repeat itself?

  When the BGP table hits 1 million prefixes, will history repeat itself? (posted 2021-03-23) On the APNIC blog, Danny Pinto asks What will happen when the routing table hits 1024k? Back in 2014, the I...

• 'BGP' by Iljitsch van Beijnum

  Building Reliable Networks with the Border Gateway Protocol by Iljitsch van Beijnum So why another BGP book? In essence, I wrote the book I wish I had when I first started out with BGP. It explains ...