[c-nsp] rate-limit 2 subinterfaces with shared bandwidth

[Rens]

1841

 

From: Chris Evans [mailto:chrisccnpspam2 at gmail.com] 
Sent: donderdag 3 februari 2011 20:03
To: Rens
Cc: Pshem Kowalczyk; cisco-nsp at puck.nether.net
Subject: Re: RE: [c-nsp] rate-limit 2 subinterfaces with shared bandwidth

 

What platform is this?   It might limit what you can do.

High level you could do an egress service policy using h-qos policy matching
source interface or apply ingress policies to your ingress interfaces
matching the traffic to a qos-group..

Hth

If you need an example let me know..

On Feb 3, 2011 1:26 PM, "Rens" <rens at autempspourmoi.be> wrote:
> Maybe I didn't explain myself very well but, here is what I want to do:
> 
> 
> 
> Fa0/0 = WAN at 10 Mbps
> 
> 
> 
> Fa0/1.100 & Fa0/1.101 currently rate-limited each at 8 Mbps
> 
> 
> 
> rate-limit input 8192000 1536000 2048000 conform-action transmit
> exceed-action drop
> 
> rate-limit output 8192000 1536000 2048000 conform-action transmit
> exceed-action drop
> 
> 
> 
> But Fa0/1.100 & Fa0/1.101 should never go over 8 Mbps together so they
won't
> saturate my 10 Mbps WAN and always have 2 Mbps left
> 
> 
> 
> 
> 
> From: Chris Evans [mailto:chrisccnpspam2 at gmail.com] 
> Sent: woensdag 2 februari 2011 23:01
> To: Pshem Kowalczyk
> Cc: cisco-nsp at puck.nether.net; Rens
> Subject: Re: [c-nsp] rate-limit 2 subinterfaces with shared bandwidth
> 
> 
> 
> This is commonly know has h-qos. Not all platforms support it However..
> 
> On Feb 2, 2011 4:59 PM, "Pshem Kowalczyk" <pshem.k at gmail.com> wrote:
>> Hi,
>> 
>> On 3 February 2011 05:45, Rens <rens at autempspourmoi.be> wrote:
>>> Hi,
>>> I have 2 subinterfaces (Fa0/1.100 & Fa0/1.200)
>>> Here are the things I would like:
>>> 1) rate limit both to 8 Mbps
>>> 2) never use over 8 Mbps together
>>> 3) the first subinterface should always have 4 Mbps needed
>>> Is this possible?
>> 
>> Depending on your hardware/software you might be able to create a
>> parent policy attached to the physical interface (Fa0/1) that
>> classifies traffic based on vlan id (match vlan). Another option to
>> try (only in inbound direction) is to match on interface (match
>> input-interface). You might also try attaching one policy to the
>> physical interface and another to the subinterfaces.
>> 
>> kind regards
>> Pshem
>> 
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>