DA SFP to DA SFP (X-Over)

Alan Robertson

New Member
Aug 10, 2016
21
2
3
60
HI
Is it possible to direct attach two servers togeather with 10/40G SFP or QSFP Ethernet cards with DC Copper Cables or can you only do it with Optics. Like you can do with a x-over RJ45 cable.

Thanks
Alan
 

Jon Massey

Active Member
Nov 11, 2015
340
82
28
34
Yeah, they're called DACs (Direct Attach Cables). There's no straight-thru vs crossover to worry about.
 

Alan Robertson

New Member
Aug 10, 2016
21
2
3
60
So just to confirm 2 servers with 10/40G SFP + network cards (Back to Back) will connect with a DA Copper cable (Same cable that would normally to go a Switch). Typical use say for 2 node Vshpere Vsan..

Cheers..
 

Dast2

New Member
Jun 5, 2017
4
0
1
40
Both 10G SFP+ to SFP+ DAC and 40G QSFP+ to QSFP+ DAC solution are feasible.