[c-nsp] Cisco and ATM VC => Limit PCR

[Rich Davies]

Typo on my part :

  vbr-nrt 4835 4835 1


On Thu, Feb 4, 2016 at 12:00 PM, Rich Davies <rich.davies at gmail.com> wrote:

>
> Olivier,
>
> Based on your configuration it appears you are doing an ATM service type
> of VBR-NRT (Variable Bit Rate, Non Real Time).    Based on VBR-NRT you can
> use the following ATM traffic parameters:
>
> PCR, CDVT, SCR, MBS
>
>
> http://www.cisco.com/c/en/us/td/docs/routers/7200/design/ATM-traffic_management_guide/atmtrafc_1/atmtovw.html#wp1080353
>
>
> So looks like you can set the PCR to 4830 as your operator has requested:
>
> interface ATM1/0.937 point-to-point
>  pvc LINKONE 1/937 l2transport
>   vbr-nrt 4835 48735 1
>
> You currently have a peak cell rate and average cell rate set to 2048 and
> burst cell size set to 1.   I do not think you can set the CDV/MCR based on
> VBR-NRT service type (those are CBR I believe).   You may want to increase
> your burst rate from 1 to a higher value based on your bandwidth on the
> link/PVC.
>
>
> Rich
>
>
>
> On Thu, Feb 4, 2016 at 3:51 AM, Olivier CALVANO <o.calvano at gmail.com>
> wrote:
>
>> Hi
>>
>> i request a small help on a Cisco with ATM cards.
>>
>> we have a interface:
>>
>> interface ATM1/0.937 point-to-point
>>  mtu 1600
>>  atm route-bridged ip
>>  no atm enable-ilmi-trap
>>  pvc LINKONE 1/937 l2transport
>>   vbr-nrt 2048 2048 1
>>   encapsulation aal5snap
>>   xconnect 192.168.1.1 2043 pw-class Ethernet
>>
>> My problems, this link is satured.
>>
>> My Operator said:
>>  actually PCR 4835 cel/s and CDV 223 us
>>
>> please limite at PCR 4830 cel/s and CDV 224us and MCR at 170 cel/s
>>
>> anyone know where i can create a "class" and put into my interface a
>> limitation ?
>> (a sample of configuration)
>>
>> regards
>> Olivier
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>
>