uRPF - reboot Alexander Azimov aa@qrator.net uRPF Feasible Mode: - - PowerPoint PPT Presentation

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uRPF - reboot Alexander Azimov aa@qrator.net uRPF Feasible Mode: - - PowerPoint PPT Presentation

Sep 09, 2022 421 likes •471 views

uRPF - reboot Alexander Azimov aa@qrator.net uRPF Feasible Mode: Problem Provider A Provider B 178.248.232.0/24 Customer Ingress Traffic Egress Traffic uRPF Feasible Mode: Solution Provider A Provider B OK! 178.248.232.0/24

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SLIDE 1

uRPF - reboot

Alexander Azimov aa@qrator.net

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uRPF Feasible Mode: Problem

178.248.232.0/24 Provider A Provider B Customer Ingress Traffic Egress Traffic

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SLIDE 3

uRPF Feasible Mode: Solution

178.248.232.0/24 Provider A Provider B Customer Ingress Traffic Egress Traffic 178.248.232.0/24 NO-EXPORT, GRACEFUL_SHUTDOWN OK!

This will work for more then 85% ISPs!

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Summary

Positive:

  • We do not need to change specification;
  • We do not need to ship new software;
  • We solve problem for majority of ISPs;

Negative:

  • We overload GRACEFUL_SHUTDOWN community;