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Glenn Sakatch
installing a qnap switch setup question
on Feb 1, 2020 at 5:34:43 pm

I'm looking at adding a 10g qnap switch to the system. (currently runing 3 boxes, but only 2 have 10 access)

In this article

https://www.qnap.com/en-us/how-to/tutorial/article/how-to-host-a-multi-user...

they diagram running two 10g lines from the qnap to the switch, and then separate lines to each workstation from the switch.

I assumed I would only run 1 line from the qnap to the switch.

Do the two lines double the output of the switch?

My thought was to have the qnap and its expander boxes in the basement, with a single 50 foot run up to the suite. Just wondering if i need to run two lines or just 1.

Thanks

Glenn


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Rich Rubasch
Re: installing a qnap switch setup question
on Feb 2, 2020 at 2:25:49 am

I'm sort of guessing, but since the QNAP has two independent 10g ports the switch can negotiate traffic so if only two computers are on the system they can have independent lanes, and when a third is added to the switch it negotiates based on the load of the other two, giving it the path with the most available bandwidth.

Pretty cool if it works like that actually. Makes the switch make a ton of sense with the QNAP and it's two ports.

That said I still love the idea of aggregating the two ports for even higher bandwidth with say a MacPro with two 10g ports.

Rich Rubasch
Tilt Media Inc.
Video Production, Post, Studio Sound Stage
Founder/President/Editor/Designer/Animator
http://www.tiltmedia.com


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Bob Zelin
Re: installing a qnap switch setup question
on Feb 2, 2020 at 3:45:37 pm

Hi -
this article is misleading. The QNAP QSW-1208-8C is not a managed switched. It cannot support IEEE 802.3ad Link Aggregation (LACP) which is what is required for you to get 20 Gb/sec instead of 10Gb/sec for greater performance from your QNAP system. QNAP offers 3 types of LAG's in the trunking menu in Network and Virtual Switch menu, and the only one that will give you increased performance is LACP, which is the bottom selection. If this is chosen, the only way it works, if is the 10G switch can also support IEEE 802.3ad LACP, which the QNAP QSW-1208-8C cannot.

While you will be fine with the single connection, because you only have 3 10G workstations, and don't need the added bandwidth, if you DID want to make this work, one of the cheapest switches you could have purchased would be the Netgear XS708T ($620 on Amazon). This switch is a managed switch, and does support Link Aggregation LACP. This is set in the Netgear menus, just like you would do in the QNAP menus.

Hopefully, this NAB 2020, QNAP will introduce an 8 port MANAGED switch that will support LACP for their own products. We will see.

SO - in summary - you just need the one line. Regular cheap Cat6 cable will work.

Bob Zelin

Bob Zelin
Rescue 1, Inc.
bobzelin@icloud.com


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Glenn Sakatch
Re: installing a qnap switch setup question
on Feb 2, 2020 at 6:49:58 pm

Excellent information as always.
Thanks

Glenn


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