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Author Topic: Buysolar and I will getting the A1041 to review and demo.  (Read 647 times)
This is a self-moderated topic. If you do not want to be moderated by the person who started this topic, create a new topic. (7 posts by 7 users deleted.)
yxt
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July 04, 2019, 08:41:00 PM
 #21

As I wrote in the other topic, you need a good switch or you will get a "Switching-Loop", that has nothing to do with the Avalon

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philipma1957
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July 04, 2019, 11:05:58 PM
Last edit: July 06, 2019, 04:09:47 AM by frodocooper
 #22

Yep I agree some smart switches can handle a loop with zero issues.

I will have to look for one soon.

Since I want to do extensive testing of the a1041.

A ring setup with 50 units may be really good.

Buysolar and I want to cut a deal for a goodly amount of these units.

While I am here do you have a smart switch in mind that can handle a ring setup?



Edit
Thanks for pointing this out I did some googling

I think Cisco me-c3750-24te-m 3750. Can do what you say.

I was on Cisco website and they say they can do it.

If so then the tech offered by Avalon is even better then I had hoped.
Huge networks can be done far easier then any other miner I know of.

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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July 12, 2019, 02:40:47 AM
Merited by frodocooper (3)
 #23

Ring idea makes a loop and crashes the net completely.

This has happened to me when I do a lot of eth switch work and make a mistake causing a loop on a switch.

So for now the loop idea is out.

I want 10 of these as soon as I can get the ten.

If I get that many I will do extensive tests of eth cables.

Chain of all cat 5
Chain of all cat 5e
Chain of all cat 6
Chain of all cat 7

I will measure hashrate on all 10 units with each set of ten cables

As we all know most of the time cat 5 or cat 5e are fine.

1gpbs ethernet mandates the use of 5e. Testing 5 is pointless at this point in time, no one should be buying those anymore. If the miner only does 100mbps 5 vs 5e the 5e will let less errors in (translates in slightly faster speeds). Similar to...

Using cat 6 for 1gbps. Its not really needed, but its better. For 10gbps it can work in short lengths only (50m vs 100m). 10gbps should be done by cat 6a or cat 7. I don't think you are going to find any miners with 10gbps lan ports, but it might be available for cascading switches and such.

And since you enjoy the fun, there are also cat 8 patch cords...

In short:

cat5 100mhz
cat6 250mhz
cat6a 500mhz
cat7 1000mhz
cat8 2000mhz

If you ask me, 5e or 6 at most is what any mining operation (and most LANs) would ever need.

I did not want to confuse you, but you can actually use anything from 1 bit to 32, not necessarily just 8, 16 or 24. You could use, 12, or 20 bits. Just remember there is always a network address and a broadcast address, any remaining IPs in the middle are the IPs you can use.

Use this calculator and see the endless possibilities. Private nets are up to 24 bit (10.0.0.0/8)

Most switches are layer2, they don't care about this except the very smart ones that can to layer3, and those, of course, can do the whole 32 bits. Limiting yourself to 8 bits is nonsense. Maybe that was more critical when people used 10mbps hubs instead of switches, but that's long gone in the past. Unless you have real cheapo gear... (TP-Link? Smiley)

Computer with pfsense is good too! There are also many embedded devices with multiple ports, such as pc engines you can install any decent os yourself for routing, firewall, etc.



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July 12, 2019, 04:04:43 AM
Last edit: July 13, 2019, 12:17:28 AM by frodocooper
 #24

no more  samples are available

I did order 2x 48 port switches  from newegg they are cisco and should work well. they are the ones I found via google.

The new network will be

verizon modem to
router to
3x  48 port switches
to miners in 3 groups

the route will also handle the warehouse owners net traffic  it has 1 gb wan in

8 ports out
and 3 bands of wireless.

he will have under 7 pieces of gear on the network.

we should have about 85 pieces of gear setup with more to come.

even if we max out available power we will be near 170 pieces of gear.

So we should be good to go.

very soon on our end.  but we will only have 2 a1041's in the short term.

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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