...This is why you sometimes need different transceivers on each end of the cable.
Wow, really..? like, different mfr transceivers on each end..? That I def. didn't know.
Routing takes place at layer 3, where you send packets to a different subnet. Traditional layer 2 switching just sends packets to a switch port based on the destination MAC address. Chances are you're using your D-Link DXS-1210-12SC as a layer 2 switch.
That's what I meant to say ... layer 2. Off by one error. Thanks ... as I said, I suck at networking.
(Yes, I know, that only applies to programmers, but still.) :)
How have you configured your ...devices? ...one as internet gateway & the other a wireless access point? Or dual-WAN? (...two ISPs?)
Definitely a single ISP, one router and one repeater, which is how those two products are typically used. Here's the setup:
You said you connect both to your FreeNAS server, which implies that it has two IP addresses. What was your goal with this setup?
Please see attached pictures of Airport setup (which will be changing very soon).
Actually it has 3; there're two Gig-E ports on the Dell server (one of which provides a whole 100Mb and that connection is lost if I disconnect the 1Gb connection, anyway...(WEIRDLY) The other is the 10Gb, from which, as I do data recovery, I need to make work properly. If I recover a RAID setup, it gets very clunky trying to connect 8 drives to my machine with the expensive hardware (it's close to $20,000 for the PC-3000 Express card with RAID and add-ons, and when they release an NVMe add-on I expect it will be more than $20,000.
I'd like to make DD images of working drives to my NAS of the known-good (not repaired drives which may have gone off-line out of sync, pending on which level of parity it is and when the repaired drive originally went offline relative to the set, but that's germane to this question) ... obviously these configurations do NOT have to "merely" consist of 3-6 drives... but could be 30 drives! The ability to host the images for the software I'd use from something 'quick' could reduce the time by 10 or more days. 10+ days of precariously strewn drives, consuming expensive resources, delaying services rendered ... That's independent from the fact that most of my data is on NVMe storage. The ONLY spinning drives I use for ANYTHING...are in arrays of 8x 7200rpm drives, and that's it. Of which, I do now have 2x x16 HBA designed to host 4x NVMe x4 drives, each. Of which, I have 4x 4TB NVMe drives, which I may replace with 8TB NVMe drives... and pickup 8 of them as I'm able to grab those for good prices... but that will be the 2nd project I begin after I get this array of 8 drives worked out.
As far as whether 8x 7200rpm drives not 'saturating 10GbE' ... 2 things: 1. They wouldn't have to; they need only exceed 1GbE for it to warrant using a much larger pipe, no..? And 2 ...I had started to "concede that maybe spinning drives in decent levels of parity will be super slow ...to which, every one, and I mean EVERYONE reiterated that 200-300MB/s means there's something WRONG with my setup. Especially if it's 1 or 2 transfers ... either of media (personal use) ... a sparse image (personal use) ... or DD image (business uses) ... as all of those are seen by drives and controllers as a single file; irrespective of the data they're comprised.
People with 4x 7200rpm drives say they get 600+ MB/s ... and 8x get 800+ MB/s in RAIDZ-2 arrays... and while even 300MB/s would warrant switching to a faster network, as I move data between peers on NVMe drives... (seriously, I have about 15 drives ... that are 1-2TB NVMe and about 30-40 between 128GB - 512GB AHCI and NVMe from MacBook Pros from my retail store ... upgrading drives for clients, etc. ... I NEVER use spinning drives except as targets, for client-data as they don't share my philosophy, etc.)
Ultimately, I DO expect (and at LEAST ... hope) to get ~800MB/s on my RAIDZ2 of 8x 10TB SAS-2 7200rpm drives... and have 4x Dell T320 machines to setup for me or customers who've expressed interest in them if I figure out how to get them working properly, also. And ... for my NVMe..? That will depend on what I figure out to be required to keep up ... and may switch to SFP28 for those machines (and buy a switch accordingly, used telecom gear, as I expect it'll be necessary to get close but without the high wattage of older gen switches or NICs).
Setup in RAID-1 just to test the 4x NVMe drives on my HBA (Highpoint SSD7120) ... I got 5.5GB/s ... which, as each drive individually gets about 3GB/s, doesn't even seem that high...and comprised of 8x ...? I'd imagine would have no problem saturating QSFP+ ... no?
Connecting 2x Airport devices w FreeNAS is probably the cause of your network problems. It should only need one network connection.
I'm assuming this may have been predicated off a given which isn't a given ... but also, I am planning to replace my AP Ex with another 802.11ac router which has 8x GbE connections ... but was going to ask you about that as well, as it seems you def. have the expertise and have been very generous with it:
I was considering the Netgear R9000 X10 ... which has 8 ports and an SFP+ port. With all of those ports I obviously won't need to extend my router... (which was part of why I had extended it). And I'm assuming that SFP+ port was designed with the presumption the router would handle issuing IPs and a layer 2 switch (thank you again for correcting my nomenclature) would handle port/MAC routing.
..upgrading to 10Gb ≠ transfer rates ~10Gb line rates...your bottleneck has moved from the network to disk speed...but, you should saturate 1GbE up to 400+ MB/s or greater via 10Gb...& multiple simultaneous connections 1Gb LAN, & still get decent transfer rates due to a bigger pipe.
Re: spinning disks, assuming that's the basis of the bottleneck of the assumption // system we were speaking of above:
Does your synopsis of how my expectations should revise still hold..?
If so, are there other steps (
without having to spend ridiculous money) which would yield closer to what others state their networks get..?
I'm VERY VERY grateful for all of your help. Truly. I hope none of my wording seems smug or arrogant. And if anything did, it's unintentional and unfortunate. :) I know how ignorant I am in this realm. :)