[kwlug-disc] 10GB networking

Mark Steffen mark at steffen.ca
Fri Apr 19 09:11:58 EDT 2024


If the two 10 gig connected computers are on the same broadcast 
domain/subnet, then you are all set you don't need your pfsense to have 
10 gig also.

On 2024-04-19 9:02 a.m., Charles M wrote:
> I must be starting to feel some of the effects of getting older as I
> sent this to myself rather than the LUG:
>
> We have 2 computers in our apartment that I sometimes need to transfer
> large files between (45GB+ BD/4k files), so I’m starting to think
> about buying some 10GB networking equipment.
>
> Currently, our Internet modem is connected to a pfsense box, which is
> connected to an 8 port gigabit switch (all ports used).
>
> I’m really only concerned with dumping files between two computers,
> but they’re at least 50 feet away from each other, probably a bit more
> if I run everything nicely along the baseboards.
>
> If I buy a couple of 10GB SPF+ cards and a 10GB switch, do I also need
> to buy a 3rd 10GB SPF+ card for the PFSENSE box? Internal routing is
> done via the separate pfsense box. Would the switch be enough to allow
> the two 10GB cards to route files without polling the pfsense box for
> each packet? Or do I need a 3rd 10GB card?
>
> Because there’s a bit of a distance between the switch and the media
> centre computer, I’m thinking a multi-mode fibre optic cable is the
> best way to go? Anything to watch out for with buying these cables and
> the switch?
>
> What else is there to consider? (All Linux boxes) Any special tuning
> for large files (heard something about enabling jumbo frames, but then
> does this affect the performance of transferring a lot of smaller
> files < 1GB)?
>
>
> Thanks all!
>
>
> Charles
>
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