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1
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2answers
114 views

Slow local area network speeds

Updated on 2014-10-09 Disclaimer This question is similar to Unexplained slow gigabit network speeds but because the latter is still unanswered after 5 years, and that I think I'm able to add more ...
0
votes
0answers
17 views

There's huge gap between two results for iperf

I used iperf -c FOO_NODE -t 120 -i 10 to test the network with the other node FOO_NODE, sometimes I get the result like: [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 3.75 MBytes ...
0
votes
0answers
43 views

Reduce Bandwidth on a cisco router (Cisco 877)

PS:Sorry for my english i'm french so i'll try to write the best as I can. I looking since a few weeks now for a command to reduce the bandwidth on a cisco router. I done try a lot off command and ...
6
votes
2answers
249 views

AWS - how to serve faster to oversea users

We have our infras relying on AWS in the us-east-1 region. (EC2, CloudFront, RDS, ElastiCache) We are now having more and more users from the APAC. Users start to complain about network speed to our ...
2
votes
1answer
66 views

Poor network performance on Server 2008 machines

I have a network consisting of about 40 Windows 7 machines (physical) and 2 servers (Virtual, ESX) which are Server 2008 Std ed (one is a SBS 2008 but they're the same 'under the hood'). Network is a ...
0
votes
2answers
108 views

How can I find my peak bandwidth usage over a period of time?

I am about to change Dedicated Server providers. My current provider says the uplink is 500M. The (potential) new host offers by default a 100M uplink and charges an extra $100/Month for a Gigabit ...
7
votes
1answer
273 views

Debugging slow transfer rate from server

I'm trying to explain this as simple but documented as possible. This is not exclusive to this server or my current ISP. I've seen the same exact issue over the years while being with different ISPs ...
0
votes
1answer
48 views

How to find vds/hosting with the best ping that I can have?

I'm living in tajikistan, and I want to purchase vps/dedicated server or at least good hosting outside of my country. One of important thing I want is to have a GOOD ping. For example ping to ...
1
vote
1answer
221 views

XenServer internal network speed

I have just configured a XenServer 6.2.0 (based on CentOS) host in a server with 2 high-end processors, 256 GB RAM and SSD storage. The distribution is up to date. We set up several virtual machines ...
-5
votes
2answers
80 views

Hosting medium sized files - do I need a 1000mbps connection? [duplicate]

I am planning on setting up a free file hosting site where users can host files up to 1GB. I was looking at some dedicated server hosts and found one in the Netherlands that offers 50TB bandwidth per ...
2
votes
3answers
607 views

Why is scp much slower than http?

I have an instance on Amazon EC2 which holds a large-ish file (~180MB). I need to copy that file to my local machine, so naturally I tried scp. After trying multiple times only to get max speeds of ...
2
votes
2answers
49 views

Estimate if the network throughput is reached

I have 2 processes communicating over TCP/IP as following: process A sends 20 KB of data to process B and after some calculations process B sends the response (2KB) back to A. When I run both ...
0
votes
0answers
72 views

Web-based tool for testing FTP/HTTP server performance from various locations

I would like to test the upload speed of my FTP/HTTP server against various international locations. I could imagine that a web-based tool (like a reverse speedtest.net) for this exists, but when it ...
0
votes
0answers
414 views

CentOS - Increasing Users Download & Upload Speeds

I have has some clients report that their download speed from my web and ftp servers max out at 4.5Mbps for them, to me thats awesome, but now i am wondering why it stop at 4.5. The services are ...
0
votes
2answers
128 views

How do you confirm network adapter is gigabit capable?

Upgrading my network to gigabit speeds and don't know how to determine if the NIC in one of the systems is capable of gigabit speed. The documentation from the manufacturer states this: Network ...
0
votes
2answers
118 views

speed/duplex mismatch between 1000Mb and 100Mb full duplex

need your thoughts on this, i have a switch that runs on 1000mb Full duplex and a firewall with 100Mb Full duplex, is there a possibility traffic wont pass through?
1
vote
0answers
111 views

big speed difference on a network link with and without VPN tunnel

Scenario: We have a network link between two offices. The link is provided by a third party company through a VLAN on their network, but to us it is totally transparent -as if we had a simple ...
1
vote
2answers
364 views

Slow speed with Cisco 1721

I have a few Cisco 1721s and a WIC-4ESW. I was running another companies home router as my cable router, but decided to turn that into a wireless bridge and use my extra Cisco as my router. I ...
0
votes
3answers
394 views

testing network connectivity on a server with Gigabit Ethernet

I have a box with Gigabit Ethernet, and I'm unable to get past about 200Mbps or 250Mbps in my download tests. I do the tests like this: % wget -6 -O /dev/null --progress=dot:mega ...
0
votes
1answer
291 views

Cisco ASA 5505 and slow download speeds for Apple devices [closed]

For traffic routing through my ASA 5505, downloads for all Apple devices, including AppleTV iPad gen 1 IMac MacBook Pro are very slow. speedof.me show less than 1 Mbps download (where I should ...
29
votes
4answers
2k views

Our wi-fi at work is ridiculously slow, will adding more range extenders improve it?

At work, we have two wireless networks (e.g., Work1 Work2); the Work2 is used downstairs and Work1 is used upstairs. However, both are notoriously slow. The connection is better when we are wired in, ...
0
votes
2answers
75 views

Does offloading files to faster servers ruin site performance? [closed]

With a decent server and HTML on it, will offloading the CSS/JS/Images to another, faster server ruin the performance? I was thinking about sending, say www.domain.net => main, decent server ...
0
votes
0answers
211 views

FTP Transfers Slow Between 2 Servers

Between 2 dedicated servers, hosted in 2 different DCs (different companies), the FTP upload speeds are always much slower than the max connection speed. Specs: Windows 2008 on both. Quad core/8 GB ...
0
votes
2answers
93 views

Stress test uploading speed of the server [duplicate]

I need to test a server max uploading speed, before production. What options do i have? Any services, tips, tricks are welcomed. Thanks.
0
votes
1answer
50 views

How to determine remote link speed?

I'm on a non-manageable switched 1 GbE network with mixed 100 MbE and 1 GbE hosts. Is it possible to tell if a certain host has a certain link speed without looking at the status LEDs of the switch ...
0
votes
2answers
150 views

Linux - check speed of a network

Does anybody know which command I can use in my Linux console, to check what the speed of the network of a costumer is? I have the network IP and gateway, is there anything I can do to perform a line ...
-2
votes
3answers
174 views

Is there any method to Copy 5GB of Data from server systems to multiple clients systems in less time(max 2mins.)? [closed]

Is there any method to copy 5GB of data from server systems to multiple clients systems in less time(max 2mins.) ? Data should be copied from server to all client systems.
-1
votes
1answer
42 views

copy speed to server with multiple clients

I got a file server that is connected via an HP switch to multiple clients. The clients are mapping network drives of shared folder on the server and copy files from an external e-sata drive to the ...
-2
votes
1answer
114 views

Connection speed required for webhosting server [closed]

I'm interested how to calculate required speed for and connection that will be used for webhosting server? e.g. I have a server with around 300 websites ( they do not have large traffic on them). ...
-5
votes
2answers
74 views

High Speed Connection Download Speed Issue [closed]

I recently switch from a Time Warner 10/Mbps cable connection to a Verizon 75/Mbps fiber optics connection (FIOS) and have noticed some interesting things speed-wise. I use a program called GrabIt to ...
2
votes
2answers
559 views

Linux Experts Riddle: Network output of 10MB/s on 10GB/s NIC

I have two CentOS 6 servers. I am trying to transfer files between them. Source server has 10GB/s NIC nd destination server has 1GB/s NIC. Regardless to the command used nor the protocol, the ...
1
vote
1answer
659 views

How to diagnose PHP server execution times to reduce them?

I am running an API server on Amazon EC2 powered by PHP, and am trying to finetune the performance with a goal of reducing response times. Currently I am testing the performance of the PHP code ...
-1
votes
1answer
343 views

when a hosting mentions 100mbps bandwidth, what does it mean? [closed]

Most of web hostings say 100mbps bandwith, does it mean 100mbps upload and download combined ? what is the share between upload speed and download ? is 50 50 ? or 40 60 ? or etc ? Can anyone explain ...
2
votes
1answer
804 views

How to limit the download speed after first N mb in Squid?

In my network, when someone is downloading big files, the internet speed is going down for everyone else. So what I want to do is, when someone starts downloading a file, he will download first 5 ...
0
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0answers
293 views

FTP transfer speeds - each file seems to be limited

I'm not sure if this is an issue, or configuration problem, or just the way it is but I am doing a large transfer of files between data centres, Washington DC -> Salt Lake City, around 14TB total, ...
1
vote
3answers
3k views

How to throttle your own internet connection?

I am writing a website and want to test it's speed on slower internet connections. I have the unfortunate first world problem of downloading at 100mbps, how can I throttle my own computer's internet ...
1
vote
1answer
134 views

Test site speed

I am test driving an Akmai CDN architecture and before committing to buy, I would like to gauge the real performance gain from the acceleration feature. What would be the best MO for doing speed ...
16
votes
3answers
2k views

Troubleshooting Network Speeds — The Age Old Inquiry

I'm looking for help with what I'm sure is an age old question. I've found myself in a situation of yearning to understand network throughput more clearly, but I can't seem to find information that ...
0
votes
3answers
94 views

Why aren't local requests almost instant?

This is purely out of curiosity, but with every local server I've ever setup, there has always been a 0.5-2 second delay until pages are displayed. Just as an example, I've setup a completely blank ...
1
vote
1answer
421 views

How to find why midnight commander is too slow when connecting to a specific server?

I have a quite strange problem regarding the connecting to a remote server. The problem is very annoying when I'm using Midnight Commander (mc), just to scroll or inside the editor. Overall there ...
1
vote
1answer
274 views

Local network speed appears to be being limited

I have a dedicated server setup that has just started causing us issues. Our immediate problem, is that last week, could log into an admin page of one of our websites just fine, now we can't. It does ...
1
vote
1answer
204 views

How to throttle bandwidth speed from VPS

I was wondering if you can throttle/boost the download speed from my VPS to me, because now and often I download a database which is quite big, typically 5-7GB. My side is quite slow (typically I have ...
1
vote
1answer
317 views

Why nfs transfer speed is slower than http?

Consider I have a large file on my nfs server. The server and my desktop is connected by 100mbps network. If I mount a directory on my desktop and then try to copy a big file to local fs I have speed ...
3
votes
4answers
741 views

What tools should I use to assess bandwidth for web server farm..?

I'm contemplating moving datacentre and I need to know the size of pipe I'll need in order to get a quote. Currently I'm charged on GBs of traffic per month (currently about 42GB inbound - so ...
2
votes
1answer
199 views

How can I increase link speed between two webservers?

There is server A in which there is no physical access, in a datacenter around 500Km away. This server is not ours but we are using one of its webservices. And there is the company's server in our ...
0
votes
3answers
1k views

Speed of a dedicated NAS device vs Windows Server fileshare

I work in a smallish company - about five people in the office, with another fifteen or so scattered around the country accessing network files via VPN. We don't worry too much about quotas or things ...
0
votes
2answers
296 views

NIC are not advertising Correct Speeds

I have an IBM x336 that is not advertising the proper LINK speeds. One interface is the other is not. I've tried to Force it to 1000/Full but then it just shows link down. I have confirmed the switch ...
-2
votes
1answer
68 views

How fast are is a network connection? [closed]

I was looking around. It found 100mbps to be the fastest speed listed. Is that the fastest? What is the name of this connection and what should i google to learn more?
0
votes
1answer
142 views

server spec (minimum requirements) for upload and download audio file purposes [closed]

I want to ask minimum requirements for server (especialy for upload and download audio). realy I'm very newbie in this field. I don't know what affects the fast / slow of traffic data.. I have tried ...
0
votes
2answers
209 views

how to configure the download speed to be really slow

I have Apache server 2.2.21 on my OSX Lion 10.7.2 64 bit. is there a way to control to download speed? I'm testing it locally and every download happens very quick. is there a way to control the ...