[AusNOG] ASR 903 Shaping

[David Fowler]

Hi Brad

I think we do. Telstra pretty explicit saying this is required else “you’ll experience degraded performance”. Their 4Mb EA spec wants a 32000 bit BC when the shaper can only be configured with a minimum 60000.


Regards,

David Fowler
Infrastructure Engineer – Enterprise Operations

From: Brad Henshaw <henbra at gmail.com>
Date: Thursday, 24 May 2018 at 15:07
To: David Fowler <David.Fowler at datacom.com.au>
Cc: "ausnog at lists.ausnog.net" <ausnog at lists.ausnog.net>
Subject: Re: [AusNOG] ASR 903 Shaping

Hi David,

It may be worth reviewing whether you really need to specify Bc in your shaper policy. It was a while ago but I recall when working with the ASR920 I found the burst values automatically calculated by IOS (without manually specifying Bc/Be) worked pretty effectively when using 'shape average' in multi-level policies. I haven't touched a 903 however so don't know if its behaviour is different.

Regards,
Brad


On Thu, May 24, 2018 at 3:37 PM, David Fowler <David.Fowler at datacom.com.au<mailto:David.Fowler at datacom.com.au>> wrote:
Hi folks

Does anyone know if it’s possible to enter in a lower BC value in a Shaping policy? Seems with this platform the lowest is 60000 bits… this doesn’t help when we need to configure 4Mbps Telstra EA policies…

Maybe a different software version?

Regards,

David Fowler
Infrastructure Engineer – Enterprise Operations

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