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[ICTSC2024] IPIPがEtherに

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
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February 09, 2026
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[ICTSC2024] IPIPがEtherに

eBPF/XDPによるIPIP TunnelをLayer 3のTunnelからLayer 2 Tunnelに変換するプログラムについてのICTSC トラブルシューティングコンテスト 2024 LT発表資料

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t-umeda

February 09, 2026

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Transcript

  1. IPIP-ga-Ether-ni 1 t-umeda

  2. 2

  3. 3

  4. 4 RT1 RT2 The Internet 192.0.2.1/24 192.0.2.2/24 IP in IP

  5. 5 ip -6 tunnel add tun0 mode any remote fe80::4

    local fe80::5 dev eth0 encaplimit none

  6. 6

  7. 7

  8. 8

  9. 9

  10. 10

  11. 11

  12. 12 v4

  13. 13 v4

  14. 14 v6

  15. つまり・・・ Router2台にIPIPの設定する 15 RT1 RT2 IP in IP

  16. L1トポロジー 16

  17. 17

  18. 18 Mini PC タワーサーバ

  19. 19 RT RT MiniPC タワーPC

  20. 20

  21. Layer2 IPIP 21 RT RT MiniPC タワーPC

  22. 22 Ethernet Header 1 Ethernet Header 2 Outer IP Header

  23. IPIP-ga-Ether-ni 25