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QoS Policing in Cisco IOS

Policing implementations in Cisco IOS are a bit confusing: IOS supports three different algorithms that are configured with very similar parameters of the police command in modular QoS CLI. There's also the older rate-limit command that uses a limited implementation of one of the three algorithms. You'll find all policing details, including the graphic representations of all three algorithms in the QoS Policing in Cisco IOS article.

3 comments:

  1. surfing around I found this simple post discussing rate-limit

    CAR rate-limit examples

    hope it helps
  2. Is it possible to use any of the methods for outbound policing on 3560/3750 switches (not the E versions). It does not seem like its possible on these platforms for outbound traffic only inbound.
  3. I am no switching guru (and my document covers solely software-based router platforms), but uncle Google provided this document when asked about "Catalyst 3550 policing".

    Reading it, I would assume you can do inbound and outbound policing on Cat3550, but I haven't tried it.
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