On: Making a Linux-managed network switch

[p_l]

Cat7 cabling is something I encountered at discount stores now

[KeplerBoy → p_l]

I wouldn't trust a Cat7 cable from a discount store to adhere to the spec though.

[p_l → KeplerBoy]

Used it more as illustration of market penetration - just like with HDMI cables, you're either ripped off on markup, sold under-spec cabling, or both.

[ta1243 → KeplerBoy]

I wouldn't use copper for 10G anyway, use a fibre sfp, far more power efficient.

[sofixa → ta1243]

It depends.

In my case, all rooms are cabled with a weird electrical standard that should get me 10G Ethernet (and does 2.5G without any issue). I'm not going to drill holes to pull my own fibre all around the place when I have perfectly good Ethernet connectivity.

Also, while 10G SFP+ NICs are vastly more available than Ethernet 10G ones, switches seem to be cheaper with 2.5/5/10G Ethernet ports than full on SFP+, unless you buy recycled Enterprise gear which would blow your power efficiency argument out of the water.

[KeplerBoy → ta1243]

Doesn't that depend on the run length? Surely copper is more efficient for just a few meters.

[ta1243 → KeplerBoy]

My 10g copper SFPs are far hotter than my 10g fibre ones