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139 posts

Master Geek
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  Reply # 1904421 20-Nov-2017 11:51
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vulcannz:

 

phrozenpenguin:

 

vulcannz:

 

I run 2.5Gbps on cat5e no problem.

 

 

What gear do you use for this?

 

 

 

 

Sonicwall with 802.11ac wave2 mu-mimo, mostly it seems to help with contention. Kids rooms are not wired so they use wifi - for gaming they are not seeing the lag issues.

 

 

Sorry, I meant what gear are you running 2.5gbps over cat5e? Are you using expensive proprietary Cisco stuff - which is all I could find on Google.


180 posts

Master Geek
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  Reply # 1904477 20-Nov-2017 12:08
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I'm using Sonicwall gear, I believe you can also get other vendors like Ruckus / Aruba / etc.

 

 

 

2.5Gbps is a standard (802.3bz) : https://en.wikipedia.org/wiki/2.5GBASE-T_and_5GBASE-T

 

 


 
 
 
 


139 posts

Master Geek
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  Reply # 1904493 20-Nov-2017 12:29
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vulcannz:

 

I'm using Sonicwall gear, I believe you can also get other vendors like Ruckus / Aruba / etc.

 

2.5Gbps is a standard (802.3bz) : https://en.wikipedia.org/wiki/2.5GBASE-T_and_5GBASE-T

 

 

Thanks - I found a few (not cheap) devices that support it.


129 posts

Master Geek
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  Reply # 1904708 20-Nov-2017 18:07
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The chance of you needing 2.5 Gbps Ethernet connection from an 802.11ac access point is just above zero.  The airtime gets saturated and/or clients experience large amounts of wait states well before your 1 Gbps Ethernet connection gets saturated let alone a 2.5 Gbps Ethernet connection.   In a residential, SOHO or SME deployment the chance is zero.

 

Have a look at http://www.revolutionwifi.net/revolutionwifi/2015/1/multi-gigabit-ap-backhaul-do-you-need-it

 

 


180 posts

Master Geek
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  Reply # 1904958 21-Nov-2017 07:41
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Crowdie:

 

The chance of you needing 2.5 Gbps Ethernet connection from an 802.11ac access point is just above zero.  The airtime gets saturated and/or clients experience large amounts of wait states well before your 1 Gbps Ethernet connection gets saturated let alone a 2.5 Gbps Ethernet connection.   In a residential, SOHO or SME deployment the chance is zero.

 

Have a look at http://www.revolutionwifi.net/revolutionwifi/2015/1/multi-gigabit-ap-backhaul-do-you-need-it

 

 

 

 

 

 

I've seen some independent testing get 1.6Gbps from a Cisco AP with just 2 clients. Most people won't need it, it is possible to saturate a 1Gbps quite easily with the latest lot of wifi standards.


129 posts

Master Geek
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  Reply # 1905028 21-Nov-2017 10:16
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Have you got a link to that testing?  The testing done by wireless engineers like Andrew von Nagey couldn't even get close to 1 Gbps (his testing methods and results are available at Revolution WiFi) in real life testing.  The higher 802.11ac MCS rates are almost impossible to achieve and with real life medium contention I can understand why Andrew got the results he did.

 

I can't imagine two Ethernet clients doing 1.6 Gbps let alone two wireless clients.


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Master Geek
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  Reply # 1905142 21-Nov-2017 11:01
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https://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise-networks/802-11ac-solution/miercom-report-cisco-aruba-wave.pdf

 

 

 

There's a few others for other brands kicking around as well. It's interesting as low density environments like SOHO or home would benefit the most in throughput.


129 posts

Master Geek
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  Reply # 1905267 21-Nov-2017 13:49
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Thanks for that link mate.

 

The Aruba and Cisco "We are better than you" reports are generally not worth the paper they are written on.  The testing is configured to favour one vendor and whatever feature they are trying to sell at the time - in this case mGig switches.  Ruckus released one from Croatia awhile ago and it also didn't stand up to independent testing.

 

All of that said if you have 2.5 Gbps capacity and only use 300 Mbps you are not losing anything and as wireless clients catch up to where the access points are you might start needing more than 1 Gbps capacity.


1943 posts

Uber Geek
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Trusted

  Reply # 1906369 23-Nov-2017 12:43
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Aredwood: I'll bite. Does the house have phone wiring that isn't used? As it can sometimes be repurposed as data wiring. Even the old telecom homelan twisted 2 pair cable was made to cat5 standard, so it can be used for 100baseT Ethernet.

 

Not the really old telecom cables, the homelan is a bit newer and you can recognise it by checking the wires inside the phone jackpoint, so Cat.5e homelan has two twisted pairs, one blue and white, the other orange and white. The older phone cable is untwisted. Either way, cutting into a phone cable for ethernet requires bypassing any phone jackpoints in the loop from your modem, and disconnecting any cable that continues on from there to get a point-to-point link. A bit messy and you might have wanted to use the phones around the house. If there is any chance of running a new cable, you can mount some wifi on the ceiling so the cable is virtually hidden behind the accesspoint.





Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^

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