[f-nsp] MLXe combination of -X and -X2 linecards

[Mike Tindle]

Yeah, there are a good number of caveats to watch out for with all these different card types now.  

> There may also be instances where gen1.5 cards may not run at line rate with the chassis running in turbo mode

Correcting myself here.  The gen 1.5 (and gen 1) cards will not run in turbo, but they will run with the increased credit size which can limit the throughput on them as they lack the improvements in the credit handling found in the gen 2 cards. 

Regards,
Mike


On Sep 12, 2014, at 8:55 AM, Eric Cables <ecables at gmail.com> wrote:

> Also, v5.7 will only support the X2 hardware; not the extended FIB limits the cards are capable of. So, even if you have all X2 line cards, you won't be able to hold more routes in your FIB than the current X cards can. The new FIB capacity will be available in v5.8.
> 
> We'll need to start a new "v5.7 feedback" thread come October...
> 
> 
> -- Eric Cables
> 
> On Fri, Sep 12, 2014 at 8:30 AM, Mike Tindle <mtindle at he.net> wrote:
> One thing to note. Although they will run with -X cards, it's my understanding they will not work with original vanilla cards.  Those cards aren't supported under the 5.7 code required by the -X2 cards. 
> 
> There may also be instances where gen1.5 cards may not run at line rate with the chassis running in turbo mode and the increased credit size due to credit starvation on the back plane. YMMV
> 
> Regards
> Mike
> 
> On Sep 12, 2014, at 7:45 AM, Mike Allen <mkallen at gmail.com> wrote:
> 
>> Hi guys, yes, they will co-exist (but will run at the lower scalability numbers as mentioned).  The new 100G CFP2 and 20x10G -X modules are just shipping now, the GA code to run them will be out in October.  The -X2 modules are not out yet, they should ship by the end of the year.
>> 
>> Mike
>> 
>> On Fri, Sep 12, 2014 at 2:23 AM, Youssef Bengelloun-Zahr <youssef at 720.fr> wrote:
>> Hello,
>> 
>> We are not in that case but I was asking myself the same question as we are thinkig about X2 LCs.
>> 
>> Y.
>> 
>> 
>> 
>> 
>> 2014-09-12 10:52 GMT+02:00 André Grüneberg <andre.grueneberg at unbelievable-machine.com>:
>> Hi,
>> 
>> Does anyone already run the new -X2 linecards in an MLXe chassis? Can they be combined with -X linecards in the same chassis (of course with the lower limit of routes)? Unfortunately I couldn't reach our SE and the documentation doesn't really know about -X2 linecards yet.
>> 
>> We are running BR-MLX-MR2-X and NI-X-HSF, so all other requirements should be met?!
>> 
>> Thanks for any hints,
>> André
>> 
>> -- 
>> André Grüneberg
>> System Architect Web Operations
>> 
>> The unbelievable Machine Company GmbH
>> Grolmanstr. 40
>> 10623 Berlin
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>> 
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>> 
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>> 
>> 
>> 
>> -- 
>> Youssef BENGELLOUN-ZAHR

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