Questions tagged [bandwidth]

In computer networking and computer science, bandwidth, network bandwidth, data bandwidth, or digital bandwidth is a measure of available or consumed data communication resources expressed in bits/second or multiples of it (kilobits/s, megabits/s etc.).

Filter by
Sorted by
Tagged with
1
vote
0answers
61 views

how i can limit all(*) ip equally in linux

i am using this code.sh for limit the ip but I wanted to limit everyone equally ip * limit -d 1000kb -u 1000kb then result: google 1000Kbps, amazon 1000Kbps, any server ip 1000Kbps I searched on ufw,...
1
vote
1answer
23 views

How to use IPTables to keep a running total of the amount of data passed to and from a single IP?

I need to keep a running total of the number of bytes passed between my server and a remote server (port unspecific). I would like to keep this running total written in a file. I'm a bit new to ...
-2
votes
1answer
26 views

Calculating server bandwidth and ssd reading speed

We have about 6tb of content, about 500mb per mp4 file and a bitrate of 1200 where we would need to stream to about 5000 concurrent users. I'm not very experienced on network engineering so i have ...
0
votes
4answers
69 views

How to do this load-balacing properly?

Let's say I rent 6 dedicated servers by a server provider for my website http://example.com: #1: 203.2.113.1 #2: 203.2.113.2 #3: 203.2.113.3 ... #6: 203.2.113.6 each of them having a maximum upload ...
1
vote
2answers
40 views

Does load balancing increase bandwidth?

Say that i have a server that has 1Gbit bandwidth and i serve static files.Does adding another identical server and using a load balancer(running on the first server perhaps)double the bandwidth?Or ...
0
votes
0answers
40 views

How to reduce my server's bandwidth usage?

I am running a video hosting server using Ubuntu 18.04 with nginx and server's configs are 500gb SSD, 100TB monthly bandwidth and 1gbps network. I am using nginx amplify to monitor all the traffic, ...
-3
votes
1answer
26 views

How can I decide network speed of my dedicated server? [duplicate]

I have a dedicated server managed by WHM which has 100 websites. Bandwidth is 1 Gbps. I found another company which offers better CPU and RAM and HDD same price but bandwidth is 0.5 Gbps. I am not ...
0
votes
1answer
154 views

Trying to identify bandwidth usage/spike on Linux Debian VM

I am trying to identify an issue with a Linux (Debian) VM running under Hyper-V on Windows Server 2016. The issue is that, at random intervals I'm seeing massive spikes of bandwidth which is maxing ...
-3
votes
1answer
20 views

i want to visualize myself about bandwidth of internet [closed]

as we know bandwidth is just a way through which data flows.20 Mbps internet means 20 mega bits per second and 40 Mbps means 40 mega bits per second.i guess 20 Mbps means 20 Mb of data is retrieved in ...
0
votes
0answers
20 views

Ceph sizing for 2x 10GbE network with SSDs?

building a ceph cluster results into designing the network first So I have some questions about the ceph cluster network sizing Let's assume we build a redundant NIC with 2x 10bE NIC Ports per ceph ...
1
vote
1answer
40 views

Download speed slowdowns on Google Compute Engine file server

I did set up simple file server running on Apache (2.4) on one of my Compute Engine instances. The problem is the download speed for some people drops to radically low speeds. They do download they ...
0
votes
1answer
47 views

PHP script to calculate bandwidth per directory on a server?

I am tasked with figuring out the bandwidth used per directory on a parent directory in a linux server. We are hosting 10+ different client sites in 10+ different directories, and want to figure out ...
0
votes
0answers
10 views

How to determine how much internet bandwidth my cloud server needs? [duplicate]

I want to rent a server to collect data from a websocket over the internet. I want to do it in a way so that it doesn't get bottlenecked by internet bandwidth even when it's busy. I have the option ...
1
vote
0answers
61 views

max out bandwidth of old 3Gb/s SAS JBOD

I just acquired a JBOD which was made in 2011, it has 60 2TB 7.2k SATA disks but using SATA-to-SAS adapters on each disk. There are two IO modules on the enclosure, each module offer 4 SFF-8088 ports, ...
0
votes
1answer
57 views

Using trickle/trickled to limit bandwidth throughput of iperf3

I'm doing some throughput testing on some radio units that have narrow channel bandwidth settings (for example sub 250KHz bandwidth). During my testing of iperf3, I noticed that the slowest speed it ...
0
votes
1answer
209 views

How can I limit the bandwidth over an SSHFS mount?

I am transfering large media files to my local machine over an SSHFS mount. I am not too concerned about speed and want to provide a better QOS to other network services and so want to limit the ...
0
votes
2answers
189 views

Limit network bandwidth on fixed rate for all connections/users

I am looking for the commands in Linux to limit the rate of upload/download for all users to the fixed rate. I have three Linux commands that limit the network rate on OS. tc qdisc add dev eth0 root ...
0
votes
1answer
54 views

Lot of bandwidth consumed in Get Request to website served by Apache

Can someone help me to identify the reason for so much bandwidth consumption by our website, the webserver is Apache, and is hosted in AWS Ec2 instance along with some other websites. In a single day ...
4
votes
1answer
231 views

Using tc to decrease bandwidth to a specific destination address

I am trying to find the shortest path between two hosts H1 and H2 using Dijkstra code. Setting a condition in one of the switches on that path. the condition is: if the packet sending to H2 then ...
0
votes
0answers
109 views

Centos server bandwidth

I have dedicated server with “Basic Unmetered 1 Gbit/sec” bandwidth, I install a centos 7 on it and using Apache, I used it to make a website for sharing video files, My problem is when visitors use ...
0
votes
1answer
703 views

Link bandwidth limiting by using tc

I am a newbie network engineer. I am trying to understand the Linux command tc. I made a simple network, consisting of two hosts H1, H2 and a switch S1 connecting them by using Mininet. Then, I ...
-1
votes
1answer
320 views

Upload speed to Google Cloud machine is 1.1Gbps [closed]

I use GCP VMs very often. Create and delete once chunk of work is done. I need to upload large data file every time. Consistently it uploads at 1.1Gbps average speed. Internet connection is 80Gbps (...
0
votes
0answers
153 views

Windows RRAS VPN L2TP throughput

I have a windows server 2016 RRAS VPN + DHCP working very fine. It distributes IP to VPN clients and to other machines on the local network. We use L2TP protocol with a shared key for encryption. ...
1
vote
1answer
73 views

Limit Google Cloud Platform instance bandwidth

On Google Cloud Platform, is there a way to limit the bandwidth allowed for a specific instance? I mean specify a limit like 10TB of traffic monthly, or something like that. Because from what I see ...
0
votes
2answers
4k views

How to start iperf3 server in UDP mode?

I would like to test UDP connectivity with iperf3 but do not know how to start it in UDP server mode. iperf3 -s only opens a TCP socket: root@srv ~# lsof -i -P | grep iperf3 iperf3 21030 ...
0
votes
1answer
42 views

mpo/mtp 12 and 100G

Does one mpo/mtp-12 fo can transmit 100G datas ? I have doubt because of this picture : It seems I need 24fo to get 100G. But I have a Cisco QSFP-100G-SR4-S module which says it can support 100G on ...
-1
votes
1answer
149 views

How exactly the network bandwidth is calculated and in which layer of OSI Model? [closed]

We can see everyday our bandwidth is calculated by ISP's , Mobile Telecoms and Cloud Services. But how exactly they calculate this bandwidth? Do they count number of tcp/udp packets in layer 4? If so, ...
0
votes
1answer
371 views

Throughput limit of a raid controller

I am a bit confused about the maximal theoretical throughput of my HP P410 Controller. When using SATA drives, they are limited to 3Gb/s per physical link (about 300mb/s real speed). Does it mean ...
0
votes
1answer
89 views

Can I limit bandwidth for certain IP address, subnet or VLAN on Cisco 881?

I have a router with several workstations running on the switched ports. I need to limit their WAN bandwidth. I tried to use rate-limit on Vlan1, but it looks like it had no effect. What is the ...
4
votes
2answers
2k views

Synology and vmware with 4 way MPIO slow iSCSI speeds

I am trying to achieve high iSCSI speeds between my ESX box, and the synology NAS. I am hoping to achieve a top speed of 300-400 Mb/s. But so far all i've reached is 150 - 170 MB/s. The main test ...
1
vote
1answer
96 views

Blended Bandwidth with multiple carriers How to configure IP address

I have seen many colocation companies offering something called "Blended Bandwidth" and that makes me wonder how do they do it? Here is my example. If I would get two internet services, from ISP-A ...
1
vote
1answer
869 views

Traffic control upload don't limit bandwidth

I'm making some rule to limit the bandwidth per ip connection on my VPN server. My command works for download but doesn't for upload, I don't know what I'm doing wrong here : #!/bin/bash TC='/usr/...
3
votes
1answer
151 views

OpenVPN Traffic Control on CentOS 7

I'm trying to give my OpenVPN some bandwidth limitation. I would like for example for each user give 10Mb/s for upload and download. I tried the following answer I found (Automatically Call a Script ...
0
votes
1answer
348 views

Log/list bandwidth usage by file on NGINX?

Is it possible to produce a list or log of the bandwidth usage by file on NGINX? Something like: BANDWIDTH USAGE LAST 7 DAYS by FILE; \Project.zip 1.8 GB \Docu8ment.doc 350 MB \logo.png 238 MB \...
0
votes
1answer
95 views

IP Transit Using GCP compute instance?

If I announce my IP space on GCP compute engine and connect to GCP via a Dedicated interconnect, as the inbound transfer on GCP is free, can I use GCP as my inbound IP Transit
-1
votes
1answer
94 views

Ban IP addresses based on bandwidth usage on apache/linux

Is it possible to throttle or ban IP address based on how much the host is using bandwidth of my webserver? In ideal situation I would like to create rules like: if IP uses bandwidth over 1000 MB ...
0
votes
2answers
393 views

Basic QoS bandwidth for all devices/clients

I have an IP network that has about 500+ clients on the network at any given time. The network uses a Cisco 1941 router as it's gateway, and has 5 different subnets. The network also has 2 DCs, a ...
5
votes
2answers
3k views

How do increase data transfer rate between my VMs

I saw lots of article,but didn't answer my question. My server use VMware vSphere Hypervisor. There are 20 virtual machines in my server. VM operating system : centos7 I already change my vSwitch ...
0
votes
1answer
71 views

Bandwidth to hosts abroad [duplicate]

I have a server with 1 Gbps uplink. Testing gives me a download/upload speed of approx 600 Mbps to servers nearby in Europe, and 100 Mbps to servers in US. I want to host a server and I need to know ...
1
vote
1answer
143 views

WDS boot taking a long time over site-to-site VPN connection

We have three sites and a new server colocation facility that we are in the process of bringing online. We have several WDS servers at each site. We are moving servers from the smallest site to the ...
-1
votes
1answer
57 views

How can I limit bandwidth on a public network? [closed]

Our workplace has a public network where people often connect with their personal laptops. A sizeable number of users are torrenting which is killing bandwidth for the rest of the network's users. At ...
1
vote
1answer
2k views

Fixing 70% transfer speed slowdown over VPN compared as compared to SSH? (Tested OpenVPN, IPSec/L2TP, OpenSSH, SoftEther)

I'm currently configuring a site-to-site VPN between two VPSes that requires both outgoing and incoming connections. It will be used by a high bandwidth application so I require the maximum amount of ...
0
votes
1answer
29 views

How to determine if a link is appropriately dimensioned

Consider the following network: Access Point <--> Ethernet (100 Mbit/s) <--> Router 1 Router 1 <--> 50 Mbit/s Point to Point <--> Router 2 Router 2 <--> ...
2
votes
1answer
2k views

Is it possible to use powerline adapters behind UPS's? [closed]

Currently i have my router connected in the 1st floor (with some switches), which is also connected with a 1200Mbps (real bandwith is about 600Mbps) powerline adapter. Another powerline adapter is in ...
-2
votes
1answer
183 views

openvpn optimizations for Low bandwidth (250mb a month)

I am using openwrt lede with a lte stick 250-300mb a month depending on the unit so preferably hitting 250 or lower would be better for the entire system these are the clients the server doesn't have ...
0
votes
1answer
38 views

Monitoring - Calculate bandwidth usage of images

Is there a way to find out the bandwidth usage of a certain mime-type on Windows Server? Eg. How much GB of images is my server serving each month?
1
vote
1answer
41 views

Limiting network activity on a server

I have a network with couple of servers running Windows Server 2008 R2. I am being ask to find out a way to limit the network activity per actions. So far i couldn't find if it's even of the realm of ...
-3
votes
1answer
69 views

Bandwidth: How many nodes can a 15Mbps connection serve? [duplicate]

I have looked for an answer but can't seem to find what I'm looking for so thought I'd ask here. We have decided to get a connection from a local ISP offering an upload speed of 15Mbps to serve a ...
1
vote
2answers
149 views

What bandwidth values should I set?

Edit 1: I gave the used bandwidth in DigitalOcean and CloudFlare in details. We could assume that other factors (like CPU, memory) remain the same. My question is about to ask the interpretation of ...
0
votes
1answer
395 views

Squid bandwidth control with both source and destination

let's say I have three subnets: 192.168.0.0/24 with 100 mbps uplink 192.168.1.0/24 with 100 mbps uplink 192.168.2.0/24 with 500 mbps unlink I need to limit the bandwith against example.com so they ...

1
2 3 4 5
14