Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
We ran into something like that when a customer was using his laptop to generate traffic on a frac DS3 circuit. The issue was primarily due to how his application was trying to generate traffic. Jeff -Original Message- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Dennis Burgess - Linktechs Sent: Monday, May 11, 2009 9:41 AM To: sc...@brevardwireless.com; WISPA General List Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
What are you using for the tests? On 5/11/09, Jeff Broadwick jeffl...@comcast.net wrote: We ran into something like that when a customer was using his laptop to generate traffic on a frac DS3 circuit. The issue was primarily due to how his application was trying to generate traffic. Jeff -Original Message- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Dennis Burgess - Linktechs Sent: Monday, May 11, 2009 9:41 AM To: sc...@brevardwireless.com; WISPA General List Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
Any TCP traffic multiple apps same results Scott Carullo Brevard Wireless (321) 205-1100 x102 On May 11, 2009, at 10:14 AM, Jeff Broadwick jeffl...@comcast.net wrote: We ran into something like that when a customer was using his laptop to generate traffic on a frac DS3 circuit. The issue was primarily due to how his application was trying to generate traffic. Jeff -Original Message- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Dennis Burgess - Linktechs Sent: Monday, May 11, 2009 9:41 AM To: sc...@brevardwireless.com; WISPA General List Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- --- --- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- --- --- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
Have you tried with a different PC? On 5/11/09, Scott Carullo sc...@brevardwireless.com wrote: Any TCP traffic multiple apps same results Scott Carullo Brevard Wireless (321) 205-1100 x102 On May 11, 2009, at 10:14 AM, Jeff Broadwick jeffl...@comcast.net wrote: We ran into something like that when a customer was using his laptop to generate traffic on a frac DS3 circuit. The issue was primarily due to how his application was trying to generate traffic. Jeff -Original Message- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Dennis Burgess - Linktechs Sent: Monday, May 11, 2009 9:41 AM To: sc...@brevardwireless.com; WISPA General List Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- --- --- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- --- --- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
When this occurs it usually means that your connection has minor packet loss or TCP delays in transfer, very hard to identify. You will likely find that UDP will transfer full speed. TCP is doing what it is supposed to do, which is slow down, to attempt to correct congestion, but in reality may be caused by transmission delays. Here are two things that can cause random sporatic delays in transmission. 1) Switches with Flow control on. (should be turned off). I recently had transmission increased from 3-5mbps to 24mbps on a path, simply by disabling Flow control. (Flow control really only meant to be used on switch when connected directly to an end user PC, not a backbone connection). This can be common, because many switches default with flow control on, and its something you can't check yourself, if its at your upstream first hop. 2) Bandwidth management on hardware with inadequate timers, and high traffic load. (If Linux, should be using kernels 2.6.21 or higher, for high_res_timers, if high speed links). 3) Basic hardware failure. A flaky NIC port. A Bad cable. Wrong NIC Driver. Actually Resulting in very small amounts of packet loss or sporatic transfer. 4) TX Buffers to low. Or other similar NIC driver optimization. I think Linux defaults to 100, but for Gig_e should be like 1000. Should check optimization suggestions for your specific brand NIC. Those are the kind of things that might show failures when testing under load, but where there is free capacity on link still. 5) Window size incorrectly adjusting. Manually test with hard set window sizes, to compare results. You can sniff at layer2, to see if there are excessive acks or retransmissions, which sometimes can be an indicator that something is wrong. Should also be noted whether problem occurs both with significant other traffic on connection, or if no other traffic passing when testing. Timing delays are accumulative, and small individually, so they often can't be identified at a device easilly, by testing a single hop or link individually. Tom DeReggi RapidDSL Wireless, Inc IntAirNet- Fixed Wireless Broadband - Original Message - From: Scott Carullo sc...@brevardwireless.com To: wireless@wispa.org Sent: Sunday, May 10, 2009 11:26 PM Subject: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
Yes lots of them, from different internet connections as well. Focusing on customers from BHN connecting to our TW Telecom fiber circuit. Have not been able to do enough testing outside our network though to be certain. That leads me to a request... can anyone who reads this that has decent amount of bandwidth (20mb available) download this file and tell me your provider and how fast the transfer was so long as its not being limited on your side. I should have approx 80MB free bandwidth for this transfer when you run it... http://208.65.55.55/dummy.zip This will help me out a bit... thanks. Email me off list if you want with the results... Scott Carullo Brevard Wireless 321-205-1100 x102 Original Message From: Josh Luthman j...@imaginenetworksllc.com Sent: Monday, May 11, 2009 1:53 PM To: WISPA General List wireless@wispa.org Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Have you tried with a different PC? On 5/11/09, Scott Carullo sc...@brevardwireless.com wrote: Any TCP traffic multiple apps same results Scott Carullo Brevard Wireless (321) 205-1100 x102 On May 11, 2009, at 10:14 AM, Jeff Broadwick jeffl...@comcast.net wrote: We ran into something like that when a customer was using his laptop to generate traffic on a frac DS3 circuit. The issue was primarily due to how his application was trying to generate traffic. Jeff -Original Message- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Dennis Burgess - Linktechs Sent: Monday, May 11, 2009 9:41 AM To: sc...@brevardwireless.com; WISPA General List Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- --- --- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- --- --- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -- Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
Saw peaks up to 680KB/sec using Firefox.
Travis
Microserv
Scott Carullo wrote:
Yes lots of them, from different internet connections as well. Focusing on
customers from BHN connecting to our TW Telecom fiber circuit. Have not
been able to do enough testing outside our network though to be certain.
That leads me to a request... can anyone who reads this that has decent
amount of bandwidth (20mb available) download this file and tell me your
provider and how fast the transfer was so long as its not being limited on
your side. I should have approx 80MB free bandwidth for this transfer when
you run it...
http://208.65.55.55/dummy.zip
This will help me out a bit... thanks. Email me off list if you want
with the results...
Scott Carullo
Brevard Wireless
321-205-1100 x102
Original Message
From: "Josh Luthman" j...@imaginenetworksllc.com
Sent: Monday, May 11, 2009 1:53 PM
To: "WISPA General List" wireless@wispa.org
Subject: Re: [WISPA] One connection bandwidth=x / 2 commections
bandwidth=2x why?
Have you tried with a different PC?
On 5/11/09, Scott Carullo sc...@brevardwireless.com wrote:
Any TCP traffic multiple apps same results
Scott Carullo
Brevard Wireless
(321) 205-1100 x102
On May 11, 2009, at 10:14 AM, Jeff Broadwick jeffl...@comcast.net
wrote:
We ran into something like that when a customer was using his laptop
to
generate traffic on a frac DS3 circuit. The issue was primarily due
to how
his application was trying to generate traffic.
Jeff
-Original Message-
From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]
On
Behalf Of Dennis Burgess - Linktechs
Sent: Monday, May 11, 2009 9:41 AM
To: sc...@brevardwireless.com; WISPA General List
Subject: Re: [WISPA] One connection bandwidth=x / 2 commections
bandwidth=2x
why?
Speed limit per connection? Or per IP?
* ---
Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board
Member -
wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik
WISP
Support Services WISPA Vendor Member*
*Office*: 314-735-0270 *Website*: http://www.linktechs.net
http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/*
http://www.linktechs.net/onlinetraining.asp
The information transmitted (including attachments) is covered by the
Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is
intended only
for the person(s) or entity/entities to which it is addressed and may
contain confidential and/or privileged material. Any review,
retransmission,
dissemination or other use of, or taking of any action in reliance
upon,
this information by persons or entities other than the intended
recipient(s)
is prohibited, If you received this in error, please contact the
sender and
delete the material from any computer.
Scott Carullo wrote:
On our main upstream connection 100mb fiber a speedtest to BHN
yeilds
about
7MB max when 15 is there...
Open two connections tcp and now the transfer rate doubles (from
same
server to same client).
What would cause this?
Scott Carullo
Brevard Wireless
321-205-1100 x102
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Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
I could download the file in 16 seconds from Atlanta. Never saw it get past 48Mbps. Did notice it was routing through Ashburn, which is less than ideal if you are Florida. -Matt On May 11, 2009, at 8:15 PM, Scott Carullo wrote: Yes lots of them, from different internet connections as well. Focusing on customers from BHN connecting to our TW Telecom fiber circuit. Have not been able to do enough testing outside our network though to be certain. That leads me to a request... can anyone who reads this that has decent amount of bandwidth (20mb available) download this file and tell me your provider and how fast the transfer was so long as its not being limited on your side. I should have approx 80MB free bandwidth for this transfer when you run it... http://208.65.55.55/dummy.zip This will help me out a bit... thanks. Email me off list if you want with the results... Scott Carullo Brevard Wireless 321-205-1100 x102 Original Message From: Josh Luthman j...@imaginenetworksllc.com Sent: Monday, May 11, 2009 1:53 PM To: WISPA General List wireless@wispa.org Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Have you tried with a different PC? On 5/11/09, Scott Carullo sc...@brevardwireless.com wrote: Any TCP traffic multiple apps same results Scott Carullo Brevard Wireless (321) 205-1100 x102 On May 11, 2009, at 10:14 AM, Jeff Broadwick jeffl...@comcast.net wrote: We ran into something like that when a customer was using his laptop to generate traffic on a frac DS3 circuit. The issue was primarily due to how his application was trying to generate traffic. Jeff -Original Message- From: wireless-boun...@wispa.org [mailto:wireless- boun...@wispa.org] On Behalf Of Dennis Burgess - Linktechs Sent: Monday, May 11, 2009 9:41 AM To: sc...@brevardwireless.com; WISPA General List Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- --- --- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- --- --- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
1 minute 49 seconds from a 100 Meg feed at Hurricane Electric in Fremont CA. John Scott Carullo wrote: Yes lots of them, from different internet connections as well. Focusing on customers from BHN connecting to our TW Telecom fiber circuit. Have not been able to do enough testing outside our network though to be certain. That leads me to a request... can anyone who reads this that has decent amount of bandwidth (20mb available) download this file and tell me your provider and how fast the transfer was so long as its not being limited on your side. I should have approx 80MB free bandwidth for this transfer when you run it... http://208.65.55.55/dummy.zip This will help me out a bit... thanks. Email me off list if you want with the results... Scott Carullo Brevard Wireless 321-205-1100 x102 Original Message From: Josh Luthman j...@imaginenetworksllc.com Sent: Monday, May 11, 2009 1:53 PM To: WISPA General List wireless@wispa.org Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Have you tried with a different PC? On 5/11/09, Scott Carullo sc...@brevardwireless.com wrote: Any TCP traffic multiple apps same results Scott Carullo Brevard Wireless (321) 205-1100 x102 On May 11, 2009, at 10:14 AM, Jeff Broadwick jeffl...@comcast.net wrote: We ran into something like that when a customer was using his laptop to generate traffic on a frac DS3 circuit. The issue was primarily due to how his application was trying to generate traffic. Jeff -Original Message- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Dennis Burgess - Linktechs Sent: Monday, May 11, 2009 9:41 AM To: sc...@brevardwireless.com; WISPA General List Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- --- --- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- --- --- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http
Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why?
30 seconds using Cablevision's Optimum cable service (regular, not the premium turbo) over an 802.11g wireless LAN. Using speedtest.net I only get 15 megs down at best. On May 11, 2009, at 9:31 PM, John Thomas wrote: 1 minute 49 seconds from a 100 Meg feed at Hurricane Electric in Fremont CA. John Scott Carullo wrote: Yes lots of them, from different internet connections as well. Focusing on customers from BHN connecting to our TW Telecom fiber circuit. Have not been able to do enough testing outside our network though to be certain. That leads me to a request... can anyone who reads this that has decent amount of bandwidth (20mb available) download this file and tell me your provider and how fast the transfer was so long as its not being limited on your side. I should have approx 80MB free bandwidth for this transfer when you run it... http://208.65.55.55/dummy.zip This will help me out a bit... thanks. Email me off list if you want with the results... Scott Carullo Brevard Wireless 321-205-1100 x102 Original Message From: Josh Luthman j...@imaginenetworksllc.com Sent: Monday, May 11, 2009 1:53 PM To: WISPA General List wireless@wispa.org Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Have you tried with a different PC? On 5/11/09, Scott Carullo sc...@brevardwireless.com wrote: Any TCP traffic multiple apps same results Scott Carullo Brevard Wireless (321) 205-1100 x102 On May 11, 2009, at 10:14 AM, Jeff Broadwick jeffl...@comcast.net wrote: We ran into something like that when a customer was using his laptop to generate traffic on a frac DS3 circuit. The issue was primarily due to how his application was trying to generate traffic. Jeff -Original Message- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org ] On Behalf Of Dennis Burgess - Linktechs Sent: Monday, May 11, 2009 9:41 AM To: sc...@brevardwireless.com; WISPA General List Subject: Re: [WISPA] One connection bandwidth=x / 2 commections bandwidth=2x why? Speed limit per connection? Or per IP? * --- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer WISPA Board Member - wispa.org http://www.wispa.org/ Link Technologies, Inc -- Mikrotik WISP Support Services WISPA Vendor Member* *Office*: 314-735-0270 *Website*: http://www.linktechs.net http://www.linktechs.net/ */LIVE On-Line Mikrotik Training/* http://www.linktechs.net/onlinetraining.asp The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited, If you received this in error, please contact the sender and delete the material from any computer. Scott Carullo wrote: On our main upstream connection 100mb fiber a speedtest to BHN yeilds about 7MB max when 15 is there... Open two connections tcp and now the transfer rate doubles (from same server to same client). What would cause this? Scott Carullo Brevard Wireless 321-205-1100 x102 --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- -- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ --- --- --- --- WISPA Wants You! Join today! http://signup.wispa.org/ --- --- --- --- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ WISPA Wants You! Join today! http://signup.wispa.org/ WISPA Wireless List
