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Removing BGP Private ASNs — Revisited!

Bob McCouch of Herding Packets comments:

Reader Feedback!

Recently, I posted about some lab verification I did during a customer setup where I had to strip private BGP AS numbers (64512-65535) before sending BGP-learned prefixes upstream to an ISP.

While I used the purpose-built “remove-private-as” neighbor command, several readers commented to me via the blog and via Twitter with some ideas for alternate solutions. They even got me thinking about an idea of my own.  

Read on for more BGP manipulation from a brilliant NFD6 delegate.  Don’t forget to watch live next week at Tech Field Day!

Read more at: Removing BGP Private ASNs — Revisited!

About the author

Tom Hollingsworth

Tom Hollingsworth is a networking professional, blogger, and speaker on advanced technology topics. He is also an organizer for networking and wireless for Tech Field Day.  His blog can be found at

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