Jörg, Tim, thanks for your answers. We were misled by just one set of release 
notes (the first to say Extreme rather than Brocade) which referred to 
BR-MLX-1GCx24-X as Gen2.

Michael

> On 2 Apr 2022, at 06:12:48, Jörg Kost <[email protected]> wrote:
> 
> From MLXe Series Hardware Installation Guide, I can only find additional:
>> Performance in non Turbo mode:
>> No line-rate even with all SFMs installed.
> 
> And for the 2x100GbE CFP2:
>> Performance is in non turbo mode: No line rate for certain smaller packet 
>> sizes (even with all fabrics installed).
> 
> There is also a KB article, but it is not so easy to figure the calculation  
> out quickly: https://extremeportal.force.com/ExtrArticleDetail?an=000086074
> 
> In a practical sense, it already makes me feel not to insert a G1 into a  
> 100g machine; it is not worth the trouble.  Instead, I would plan to add an 
> extra small switch and connect that from the 10g module to support RJ45 and 
> gigabit connections.
> 
> Also, when using  X-2 cards right now, you will decrease your routing 
> scalability, dropping from the 2 million routes to degraded 768k (with IPv6) 
> support.
> 
> 
> On 2 Apr 2022, at 9:38, Tim Warnock wrote:
> 
>> From the BR-MLX-10GX24-DM doco: " The module can support up to 200Gbps when 
>> the system fabric mode is in Turbo mode (i.e. system has only Gen 2 and Gen 
>> 3 modules such as 8x10G, 100G or 24x10G modules). The module can support up 
>> to 12 10G wire-speed ports when the system fabric mode is in Normal mode 
>> (i.e. system also has any Gen 1 modules such as 1G or 4x10G modules)."
>> 
>> I never used one but I believe that makes it 200G/Slot (Turbo) to 120G/Slot 
>> (Normal)?
>> 
>> -----Original Message-----
>> From: foundry-nsp <[email protected]> On Behalf Of Michael 
>> Lambert
>> Sent: Saturday, 2 April 2022 1:50 AM
>> To: foundry-nsp <[email protected]>
>> Subject: [f-nsp] MLXe Slot Bandwidth, Normal v Turbo
>> 
>> We have an MLXe with high-speed switch fabric modules. At the moment it’s 
>> running in Turbo mode with only Gen2 line cards (10 and 100 GbE). Since the 
>> claim is that the box does full line rate, each slot must perform at least 
>> at 200 Gb/s full-duplex in this mode. If we put a Gen1 card 
>> (BR-MLX-1GCx24-X) into the box, and reboot into Normal mode, what does this 
>> do to the per-slot bandwidth? We haven’t been able to track down any numbers 
>> (and we don’t have an SE to ask).
>> 
>> Thanks,
>> 

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