Re: Throughput riddle

On Wed, 23 Mar 2016 18:48:23 -0700 David Christensen wrote: > On 03/21/2016 09:28 PM, Celejar wrote: > > On Sun, 20 Mar 2016 21:49:43 -0700 > > David Christensen wrote: > >> 4. The laptop TX bytes (1.2 GiB) and NAS RX bytes (731.5 MiB) do

Re: Throughput riddle

On 03/21/2016 09:28 PM, Celejar wrote: On Sun, 20 Mar 2016 21:49:43 -0700 David Christensen wrote: 4. The laptop TX bytes (1.2 GiB) and NAS RX bytes (731.5 MiB) do not correlate well. Why would [laptop TX bytes and NAS RX bytes] match? You want to devise

RE: Throughput riddle

Hi, [...] >>> It might be a good idea to upgrade to a dual-band access point, so >>> that you can use 5 GHz, which is typically has much cleaner channels. >> >> Thanks. See my other response in the thread regarding channel selection. >> >> Celejar >> > Also remember you can have too much RF

Re: Throughput riddle

On Tue, 2016-03-22 at 00:45 -0400, Celejar wrote: > On Mon, 21 Mar 2016 12:15:56 - (UTC) > Dan Purgert wrote: > > > On 2016-03-18, Celejar wrote: > > > Hi, > > > > > > I'm trying to understand the throughput across the different links of > > > my little

Re: Throughput riddle

On Mon, 21 Mar 2016 12:15:56 - (UTC) Dan Purgert wrote: > On 2016-03-18, Celejar wrote: > > Hi, > > > > I'm trying to understand the throughput across the different links of > > my little home network, and am perplexed by the measured wireless > >

Re: Throughput riddle

On Mon, 21 Mar 2016 11:41:05 + Bonno Bloksma wrote: > Hi, > > Responding to one part of your mail. The other parts have been covered in > other responses: > > > I was originally using one of the common 1/6/11 channels, and I switched to > > 3 since I saw a lot of other

Re: Throughput riddle

On Sun, 20 Mar 2016 21:49:43 -0700 David Christensen wrote: > On 03/20/2016 07:10 PM, Celejar wrote: > > Laptop: > > > > RX packets:922215 errors:0 dropped:1967 overruns:0 frame:0 > >TX packets:1186319 errors:0 dropped:0 overruns:0 carrier:0 > >

Re: Throughput riddle

On 2016-03-18, Celejar wrote: > Hi, > > I'm trying to understand the throughput across the different links of > my little home network, and am perplexed by the measured wireless > throughput. > > The three main devices I'm interested in: > > Router: Buffalo WZR-HP-G300NH

RE: Throughput riddle

Hi, Responding to one part of your mail. The other parts have been covered in other responses: > I was originally using one of the common 1/6/11 channels, and I switched to 3 > since I saw a lot of other stations on those channels. > This may have resulted in some improvement, but I'm still

Re: Throughput riddle

On 03/20/2016 07:10 PM, Celejar wrote: Laptop: RX packets:922215 errors:0 dropped:1967 overruns:0 frame:0 TX packets:1186319 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:724785210 (691.2 MiB) TX bytes:1311193642 (1.2 GiB) NAS:

Re: Throughput riddle

On Sun, 20 Mar 2016 13:48:23 -0700 David Christensen wrote: > On 03/20/2016 11:07 AM, Celejar wrote: > > FWIW, I'm getting these: > > > > Tx excessive retries:392922 Invalid misc:5439 > > > > [Rx invalids are all 0] > > What machine? What file or tool? Laptop -

Re: Throughput riddle

On 03/20/2016 11:07 AM, Celejar wrote: FWIW, I'm getting these: Tx excessive retries:392922 Invalid misc:5439 [Rx invalids are all 0] What machine? What file or tool? What does 'ifconfig' report on the various machines? David

Re: Throughput riddle

Hi On 21/03/2016 2:22 AM, arian wrote: > another simple bandwidth check: > # host1: nc -l 8090 > /dev/zero > # host2: dd if=/dev/zero | nc host1 8090 Okay, I'm trying the following. On host 1 # ssh -f name-in-config -L 18090:localhost:8090 'nc -l 8090 > /dev/zero' The "name-in-config" is

Re: Throughput riddle

On Sun, 20 Mar 2016 09:31:24 -0700 David Christensen wrote: ... > But, I still recommend Category 5E cables. > > > >> It's not clear if you are doing an apples-to-apples comparison. Perhaps > >> iperf isn't measuring what you think it is. > > > > That's exactly

Re: Throughput riddle

On Sun, 20 Mar 2016 16:22:58 +0100 arian wrote: > > > No - I've been using the default: 'iperf -c host' on laptop, 'iperf > > -sD' on router, NAS. > > > > Actually, this morning I've been getting about 17-20 Mbps between the > > laptop and NAS. I tried bidirectional

Re: Throughput riddle

On 03/20/2016 06:10 AM, Celejar wrote: On Fri, 18 Mar 2016 18:01:58 -0700 David Christensen wrote: Perhaps the NAS has an automatic crossover feature on it's Gigabit port. If you do a computer-cable-computer test, you will want a (category 5E) crossover cable.

Re: Throughput riddle

> No - I've been using the default: 'iperf -c host' on laptop, 'iperf > -sD' on router, NAS. > > Actually, this morning I've been getting about 17-20 Mbps between the > laptop and NAS. I tried bidirectional testing ('iperf -d -c host', > and the results actually remained constant. That

Re: Throughput riddle

On Sun, 20 Mar 2016 14:43:00 +0100 arian wrote: > > > Here's the part that baffles me - these are with the laptop connected > > to the router wirelessly: > > > > Laptop - router:~11.8 Mbps > > Laptop - NAS: ~14.7 Mbps > > > > Once again, these numbers

Re: Throughput riddle

> Here's the part that baffles me - these are with the laptop connected > to the router wirelessly: > > Laptop - router: ~11.8 Mbps > Laptop - NAS: ~14.7 Mbps > > Once again, these numbers vary widely, but are in line with the laptop > - router numbers. > > But here's the kicker:

Re: Throughput riddle

On Sat, 19 Mar 2016 15:47:57 +1300 Richard Hector wrote: ... > FWIW, most cabling professionals (of which definitely I'm not one) > don't make their own cables unless they absolutely have to. Factory > ones are so much more reliable. > > Riser cable, being intended for

Re: Throughput riddle

On Fri, 18 Mar 2016 18:01:58 -0700 David Christensen wrote: > On 03/18/2016 09:48 AM, Celejar wrote: > > Hi, > > > > I'm trying to understand the throughput across the different links of > > my little home network, and am perplexed by the measured wireless > >

Throughput riddle

Hi, I'm trying to understand the throughput across the different links of my little home network, and am perplexed by the measured wireless throughput. The three main devices I'm interested in: Router: Buffalo WZR-HP-G300NH running OpenWrt (Chaos Calmer 15.05). Gigabit WAN and LAN, 802.11bgn

Re: Throughput riddle

sical cable). Thanks. Currently, the NAS is used only as a backup target, so it's not a big deal - I'm mostly just frustrated and curious ... > On Friday 2016-03-18 10:48, Celejar wrote: > > >Date: Fri, 18 Mar 2016 10:48:24 > >From: Celejar <cele...@gmail.com> > &

Re: Throughput riddle

Date: Fri, 18 Mar 2016 12:44:30 From: John L. Ries <jr...@salford-systems.com> To: Celejar <cele...@gmail.com> Cc: debian-user <debian-user@lists.debian.org> Subject: Re: Throughput riddle I don't know if it will help, but I hook up my Iomega NAS directly to my desktop machine with

Re: Throughput riddle

;Date: Fri, 18 Mar 2016 12:44:30 > >From: John L. Ries <jr...@salford-systems.com> > >To: Celejar <cele...@gmail.com> > >Cc: debian-user <debian-user@lists.debian.org> > >Subject: Re: Throughput riddle > > > > I don't know if it will help, but I hoo

Re: Throughput riddle

| --| On Friday 2016-03-18 10:48, Celejar wrote: Date: Fri, 18 Mar 2016 10:48:24 From: Celejar <cele...@gmail.com> To: debian-user <debian-user@lists.debian.org> Subject: Throughput riddle Hi, I'm trying to understand the throughput across the different links of my

Re: Throughput riddle

On 19/03/16 14:01, David Christensen wrote: > I use category 5E cables for Gigabit. Category 5 and category 6 > cables were not reliable for me. Cat 5 cables _should_ work, in theory, though I gather some don't work so well. If you have any cat5 or better cables that are unreliable, I'd suspect

Re: Throughput riddle

On 03/18/2016 07:47 PM, Richard Hector wrote: FWIW, most cabling professionals (of which definitely I'm not one) don't make their own cables unless they absolutely have to. Factory ones are so much more reliable. Riser cable, being intended for fixed installation, is solid core. The appropriate

Re: Throughput riddle

On 03/18/2016 06:47 PM, Richard Hector wrote: On 19/03/16 14:01, David Christensen wrote: I use category 5E cables for Gigabit. Category 5 and category 6 cables were not reliable for me. Cat 5 cables _should_ work, in theory, though I gather some don't work so well. If you have any cat5 or

Re: Throughput riddle

On 03/18/2016 09:48 AM, Celejar wrote: Hi, I'm trying to understand the throughput across the different links of my little home network, and am perplexed by the measured wireless throughput. The three main devices I'm interested in: Router: Buffalo WZR-HP-G300NH running OpenWrt (Chaos Calmer

Re: Throughput riddle

On 19/03/16 15:07, David Christensen wrote: > On 03/18/2016 06:47 PM, Richard Hector wrote: >> On 19/03/16 14:01, David Christensen wrote: >>> I use category 5E cables for Gigabit. Category 5 and category >>> 6 cables were not reliable for me. >> >> Cat 5 cables _should_ work, in theory, though