[j-nsp] MX80 BGP performance after reboot

Giuliano Cardozo Medalha giuliano at wztech.com.br
Tue Feb 19 16:25:54 EST 2013


is not possible to run junos 64 bits on mx80 ?

PPC dual core supports it ?

why not to use 8 GB dram instead of 2 only ?

Sent from my iPhone

On 19/02/2013, at 12:59, David Miller <dmiller at tiggee.com> wrote:

> On 2/19/2013 6:22 AM, Robert Hass wrote:
>> On Tue, Feb 19, 2013 at 10:54 AM, Sebastian Wiesinger
>> <juniper-nsp at ml.karotte.org> wrote:
>>> This is really frustrating and limits the scope where we can put the
>>> MX80 platform. Would it have been so much more expensive to put a
>>> faster CPU/RE into that thing? Or is this just a case of diversifying
>>> the product line?
>> 
>> It's not about slow CPU. MX80 has very fast PPC (fastest from it's like)
>> processor but RPD code sucks.  Same family was used eg.  in RSP720 in Cisco
>> 7600 which is much faster - but it's probably becouse IOS preforms better
>> than JunOS in terms of performance/scheduling on PPC platform.
> 
> Last I checked, MX80 was only using a single core of the dual core PPC
> CPU - because JUNOS (32 bit) cannot gracefully handle SMP.
> 
> -DMM
> 
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