Hedge 296: AS-SETs

Hedge 296: AS-SETs

From The Hedge by Russ White

February 20, 2026 · 49 min

About this episode

The episode discusses the history, use, problems, and potential demise of AS-SETs in networking.

  AS-SETs (not that kind) were originally designed to simplify filtering at eBGP peering points--but they seem to have gone horribly wrong. Job Snijders and Doug Madory join Tom and Russ to discuss the history, use, problems, and (hopeful) demise of AS-SETs.

People in this episode

Hosts: Tom, Russ

Guests: Job Snijders, Doug Madory

Topics covered

  • AS-SETs
  • eBGP
  • networking
  • filtering
  • history of AS-SETs
  • problems with AS-SETs
  • demise of AS-SETs

Keywords

  • AS-SETs
  • eBGP
  • network filtering
  • networking issues
  • Job Snijders
  • Doug Madory
  • Tom
  • Russ

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