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-1
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1answer
18 views

how do I measure the maximum network bandwidth? [on hold]

For the test client and the testbed, when there is no other traffic on the link between them, how do I measure the maximum bandwidth?
2
votes
0answers
24 views

Calculation of Xeon server memory bandwidth

I am looking at a dual socket server based on the Intel(R) Xeon(R) CPU E5-2640 v3 @ 2.60GHz The configuration looks like this. 4 memory channels per socket DIMMs are 8x32 GB DDR4 2133/1866 modules ...
0
votes
0answers
3 views

Monitor network traffic by FireQOS class?

I'm using FireQOS (which is basically an abstraction on top of the Linux tc qdisc mechanism as well as iptables) to classify traffic into different bandwidth classes. I can watch the bandwidth per ...
0
votes
0answers
13 views

How reliable is /sys/class/net/eth0/statistics/rx_bytes for bandwidth statistics?

I found this script at https://github.com/Cosmologist/collectd-network-bandwidth-usage. <Plugin exec> Exec user "/tmp/exec-network-bandwidth-usage.sh" "eth0" </Plugin> It runs a ...
1
vote
0answers
19 views

how to monitor client bandwidth in saas app?

I am building a SaaS which allows customers there own space. They get a subdomain but they can also add their own custom domain by setting their CNAME to my server. The subdomains and custom domains ...
0
votes
1answer
13 views

How to perform upload bandwidth test with youtube before live stream?

I understand that it is recommended to perform a bandwidth test before starting a youtube live stream. So that we can select appropriate encode parameters for the stream. I do know that there are ...
-4
votes
1answer
36 views

What is the internet Bandwidth needed to support 2000 concurrent requests?

For one our projects, we need to calculate the internet bandwidth required to support 2000 concurrent requests/per second. Following is the scenario detail: If 1 user accesses the page, the ...
0
votes
0answers
23 views

Way to know what source is reading the most from MySQL Server(RDS)?

I have a mysql server which is registering very large bandwidth usage. I want to know what options I have for: Knowing what source is using the MySQL server most. (server ip?) What tables or queries ...
0
votes
0answers
19 views

DSCP - Determine bandwidth allocation to each class

I have a QoS network assignment in which I need to allocate minimum bandwidth to three DSCP classes AF41, AF31 and AF21. The first two classes are respectively UDP audio and video. The third class is ...
1
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0answers
43 views

Monitor bandwith usage on LAN

I have a LAN which has about forty wired clients and a few wireless clients connecting to a server running Server 2012. All clients can connect either wirelessly or wired, depending on whether or not ...
2
votes
1answer
91 views

Is it possible to measure the used bandwidth per port on linux?

I am wondering if there is a way to measure bandwidth by a tcp/udp port under Linux? Means I search for a way to be able to tell, tcp/53 needs now 1MBit/s, tcp/80 needs now 4.5MBit/s. iperf is able ...
0
votes
1answer
195 views

sonicwall tz 210 bandwidth monitor

How can I monitor bandwidth usage on my SonicWall TZ210? Some info: Model: TZ 210 Product Code: *** Serial Number: *** Authentication Code: *** Firmware Version: SonicOS Enhanced 5.5.1.0-5o ...
0
votes
0answers
150 views

network throughput test: iperf vs netcat

I'm trying to measure the throughput of a 10 Gbit/s network. With iperf test I'm reaching about 9,3 gbits/s. However when I'm trying to copy some data with netcat, I'm getting just about 1,8 gbits/s. ...
0
votes
0answers
188 views

How to fix the amount of bandwidth of iperf in tcp mode?

I'm working on some experiments about my master's degree project. I'm studying some load-balancers (I'm not supposed to cite them here) and the aim is to get for each bandwidth the cpu % usage of a ...
0
votes
2answers
88 views

How to count number of bytes used to by HTTPS handshake

Our application sends relatively large number of small requests (responses < 50 bytes) via HTTPS. I would like to reduce the server bandwidth usage. I want to tell how many bytes is used to ...
1
vote
1answer
38 views

How to check the bandwith that is used by each connection on Apache?

I am trying to get stats on how much of a bandwidth each connection uses on Apache? I have Apache 2.4 installed on Windows Server 2008 R2. I would like to know how many users more I can add on my ...
0
votes
1answer
136 views

Monitor bandwidth consumption for all connected PC over wifi

We have two internet connection connected to individual wifi router (beetel) in our office, lately i am experiencing very slow internet connection or frequent connection drops, when complained to ISP, ...
0
votes
1answer
11 views

vnstats // stats showing large tx amount

I have installed vnstat 2 days ago; the site got something like 20k+ visits in this time frame. I can read a rx value of 2.16Gb but a tx value of 61.2Gb. Feels like something's going wrong. How ...
1
vote
1answer
466 views

Netbalancer vs pfsense lan graph traffic? Which one is correct?

I am researching on wan bandwith/speed checking tools/graphs. Normally we are using pfsence as a firewall/gateway/router. and also we were used to use "Traffic Graph" lan interface. Recently we have ...
1
vote
1answer
66 views

how to meter an SSH network usage?

It may be a simple question, but how can I see how much bandwidth an SSH connection, in Unix and Linux, has consumed since the login time until the SSH session is terminated (logged out)? Thanks, ...
0
votes
3answers
335 views

How to see traffic traversing a Cisco ASA by inside host?

I have a Cisco ASA 5515 running 9.1 and am interested in learning how I can see bandwidth usage by individual hosts. For instance, using MRTG I can see that my average bandwidth utilization is approx ...
0
votes
1answer
174 views

Monitor ppp0 traffic usage with Linux

Hey I'm developing a 3G connected device with a raspberry Pi. My mobile provider allows me to use 50 MB/month. This device will be installed somewhere nobody can have physically access to. My concern ...
1
vote
1answer
51 views

Measuring network speed between many servers [closed]

I have about two dozen servers. I need to measure the network speed between them. What tool / utility can I use for this case? Because it's a bad idea to do this manual, by iperf, for example. How ...
-2
votes
2answers
63 views

How much traffic does a Ubuntu server cause for updates? [closed]

Does anybody have some numbers on how much traffic/month a ubuntu server causes if automatic updates are enabled (just for fetching the apt sources and the packages)? I have a small box which is ...
-1
votes
2answers
116 views

Huge Outgoing traffic on windwos azure [closed]

I have a vm on Windows Azure running centos6 as dev node, and have recently experiencing a huge increase in outgoing traffic. VM was stopped and after started by 1 day it shows 236.63 GB on outgoing ...
0
votes
1answer
48 views

Measuring HTTP traffic basic on URIs and custom headers

I'm currently working on an API service and one of the requirements is that we measure the amount of data used by each user of the system, and track how many times they use the API. So bandwidth usage ...
5
votes
1answer
303 views

SSH & SFTP: Should I assign one port to each user to facilitate bandwidth monitoring?

There is no easy way to track real-time per-user bandwidth usage for SSH and SFTP. I think assigning one port to each user may help, but I am wondering if my approach is workable. Use case Bob, ...
5
votes
1answer
139 views

Method / Tools to analyze temporarily bandwith collapse

I've tested my server¹ with a python port of mechanize - multi-mechanize. I ran several pretty simple tests - but I always get a drop from 10mbits to some kb of upload bandwith. And I've no idea why. ...
0
votes
2answers
234 views

Munin bandwidth_ plugin not showing data

I'm trying to graph the cummulative bandwidth on an interface using Munin. Apparently there is a bandwidth_ plugin for this (see http://munin-monitoring.org/browser/munin-contrib/plugins/network/...
-1
votes
1answer
406 views

How does HA proxy use bandwidth?

We're using HA proxy for load balancing web servers. How does bandwidth usage work for HA proxy? HA proxy is on a different network than the web servers. Does the bandwidth that ends up being used ...
-7
votes
1answer
203 views

Bandwidth measurement using ping [closed]

How can I measure bandwidth using ping? I know I could use something like iperf on each end to do the measurement, but I can't do that because I don't have access to the remote system. Maybe if I ...
2
votes
3answers
3k views

1.73 Gbps at best on an Amazon EC2 10 Gigabit instance?

When I test my own '10 Gigabit' instances (c3.8xlarge) with iperf I won't see transfer rates exceeding 1.73 Gbps. This is at least four times worse than what a blogger at scalablelogic reports where ...
0
votes
1answer
269 views

Simple tool to test Amazon EC2 instance throughput?

I'm looking for a way to test the bandwidth throughput of a c3.8xlarge instance. I have two c3.8xlarge instances set up, so I imagine I could use the other to simulate the traffic. What's the ...
1
vote
3answers
907 views

VMware vCenter Server + VDS - Measure monthly traffic per VM

Is there a way to measure the monthly traffic per VM without having direct access (eg: SNMP) on each VM? I am aware that there is VMware vCenter Chargeback Manager software which claims to provide ...
3
votes
2answers
323 views

Monitor Exchange bandwidth by user / mailbox

We share an exchange servers between 5 different companies. Our exchange server is consuming a massive amount of bandwidth every month (up to almost a TB!). It's hosted offsite and our hosting ...
0
votes
1answer
305 views

how to monitor bandwidth consumption of a virtual machine

I have a windows server and four virtual machines running on it. Different applications are running on each of those virtual machines. So without logging into each of the virtual machines separately i'...
1
vote
0answers
44 views

How To Get Amazon RDS Network Utilization Statistics

With Amazon EC2 instances, one can use cloudwatch to find how much bandwidth is going in/out. However, this is not the case with the RDS database. Does anybody know of a way to discover the ...
0
votes
4answers
31k views

Fortigate bandwidth monitoring

I have a Fortigate 200B with Forti OS 5.0. How can I watch the total bandwidth being used by my unit both incoming and outgoing? Thanks
1
vote
2answers
374 views

How to use AWK to generate bandwidth report in Apache

I have my Apache logs set up like this: LogFormat "%v %t %I %O" billing How can I use AWK to generate a report which shows me the total bandwidth (received + sent) in MB per virtual host? Here's ...
2
votes
1answer
944 views

Bandwidth Manager Using Squid

I am trying to create a internet distribution software for an ISP (an internet distributor or a school or other such organizations) like the one here It will have restrictions and policies for users ...
0
votes
1answer
557 views

Socket based byte counts

I see a lot of tools to get the RX and TX byte counts for transmission on interfaces, is there any tool/program that I can use to get a total transmitted byte count for a single specified socket? I'm ...
1
vote
4answers
6k views

How can I calculate the 95-percentile bandwidth usage of a network device?

My provider is billing my bandwidth using the 95-percentile method. I know what it is in principle (take measurements, throw the top 5% away and use the remaining highest as result). The question ...
-3
votes
2answers
3k views

Would a VPN allow me to get around the monthly data cap set by my ISP? [closed]

My total data allowed without being charged extra is 50gb during 8am-12am and unlimited overnight from 12am-8am. I have to watch how much HD streaming I do and mass downloading because of this. Thanks ...
0
votes
1answer
106 views

MRTG Graph Positoning

I have deployed MRTG 2.16.2. This is running without any issue, The problem is the graph moves Left to Right as in the image. Can we make it Right to Left.
2
votes
1answer
831 views

Using darkstat to monitor bandwidth — how to exclude my dynamically assigned IP address?

I am using darkstat to collect data about bandwidth usage on my local box. My internet connection is provided by a 3G USB stick, connecting to a mobile network. Each time I connect to the internet I ...
0
votes
1answer
424 views

MRTG Configured; Need to monitor 1-2 Interfaces; Not All

I have configured MRTG on Ubuntu machine & Its working great. I have have configured it for our MPLS router. In that there are many ports which being monitored. I don't want all to be monitored. I ...
1
vote
1answer
627 views

Undertstanding NTOP Mail_POP bandwidth data

I'm having some trouble understanding the output of Ntop. I'm receiving high bandwidth warnings for one my (debian) servers from my network provider. Because the server runs only a few low traffic ...
-1
votes
1answer
643 views

What options do I have for monitoring internet usage by user and sites [closed]

I want to set up a linux server (ubuntu server 12.04) on my home network to monitor the internet usage and find out the users and websites that use the most bandwidth. I have looked at squid and it ...
0
votes
1answer
686 views

Bandwidth monitoring with iptables for non-router machine

I came across this tutorial here that describes how to monitor bandwidth using iptables. I wanted to adapt it for a non-router machine, so I want to know how much data is going in/coming out and not ...
1
vote
1answer
398 views

What does it mean - to get billed to the 95th percentile at $x.xx per meg?

I got a quote from a colo, saying "I could do 3U, the power and 20 megs burstable to 100 for $250 a month with each additional meg billed to the 95th percentile at 6.50 per meg..so you would ...