Questions tagged [iperf]
128 questions
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how to test 10G NIC in loopback for full throughput?
I am using 10G NIC x520-DA2 (which is x8 Lane) in windows 10 Enterprise 64 Bit on DELL Optiplex 7080 Tower with Intel Core i7-10700 . X520-DA is installed on PCie slot 2 of optiplex 7080 that is PCIe x16.
I need to test x520-DA2 maximum throughput…

optiplex91
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Benchmarking AWS outbound Internet bandwidth (egress) "up to 25 Gbps"
We conducted our tests on c6gn.2xlarge AWS instances located is us-east-1 region, which are advertised in AWS documentation to have a network performance of "Up to 25 Gbps" with a baseline bandwidth of 12.5 Gbps.
We ran UDP tests with iperf3, from a…

Eric
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Does Throughput calculated adds up using multiple (all active) physical adaptor
I had a network adaptor of speed 20Gbps. By stressing this adaptor using one of benchmarking tools (netperf is the tool which I used), I was able to get ~18Gbps which is well accepted.
Now, after installing one more adaptor of the same speed i.e.…

Chandan Hegde
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transfer file at iperf bandwidth/throughput
I need to transfer a file between 2 servers, the output of iperf is:
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[ 3] local X.X.X.X port 58986 connected with Y.Y.Y.Y port 5001
[ ID] Interval …

nbari
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iperf3 not consistent across different OS'es
I have connected two rooms via a 10Gbit fiber connection. The connection has one MikroTik switch with four SFP+ on one end (room A) and an Ubiquiti Unifi 24 ports with two SFP+ (room B).
On Room A, I have a Mac mini 2018 with a 10Gbit ethernet…

francisaugusto
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append date and time before each line in a text log file in windows 10
I want to append date and time before each line in a text log file in windows
I run iperf command in cmd in windows 10.
iperf.exe -c192.168.5.199 -u -t4 -i1 -f Kbytes -w1024k -b1024k >> client-log.txt
C:\iperf-2.0.9-win64\iperf-2.0.9-win64>iperf.exe…

Jyoti Kumar
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Getting 2g speeds on hyper-v VM through a 10g nic
I'm testing my speeds using IPERF as I've recently installed a 10G cisco switch and intel 10g NIC's on some servers to communicate with a nas server.
I noticed my reads and write were awful so I've tested the NIC's themselves and on the host machine…

UserSN
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Is it possible to test throughput without server cooperation?
To measure throughput between two points in a network using iperf, you have to run iperf at one point in server mode. My question is, is there a tool I can use to measure this bandwidth without running anything at the server? That is, without an…

wirate
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