Differences

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--- network:network_speed_test [2023/02/04 19:45] – external edit 127.0.0.1
+++ network:network_speed_test [2023/02/04 20:03] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-# Spees tests with iperf3
+# Speed tests with iperf3
 ```bash
@@ Line 6: / Line 6: @@
 ```bash
-iperf3 -B 10.0.1.30 -p 54321 -s
+iperf3 -c 10.0.1.30 -p 54321
+```
+Output example 10Gbit
+```
+-----------------------------------------------------------
+Server listening on 54321
+-----------------------------------------------------------
+Accepted connection from 10.0.1.10, port 49930
+[  5] local 10.0.1.30 port 54321 connected to 10.0.1.10 port 49946
+[ ID] Interval           Transfer     Bitrate
+[  5]   0.00-1.00   sec  1.10 GBytes  9.49 Gbits/sec
+[  5]   1.00-2.00   sec  1.15 GBytes  9.90 Gbits/sec
+[  5]   2.00-3.00   sec  1.14 GBytes  9.83 Gbits/sec
+[  5]   3.00-4.00   sec  1.14 GBytes  9.83 Gbits/sec
+[  5]   4.00-5.00   sec  1.15 GBytes  9.90 Gbits/sec
+[  5]   5.00-6.00   sec  1.15 GBytes  9.87 Gbits/sec
+[  5]   6.00-7.00   sec  1.15 GBytes  9.90 Gbits/sec
+[  5]   7.00-8.00   sec  1.15 GBytes  9.90 Gbits/sec
+[  5]   8.00-9.00   sec  1.15 GBytes  9.90 Gbits/sec
+[  5]   9.00-10.00  sec  1.15 GBytes  9.88 Gbits/sec
+[  5]  10.00-10.04  sec  48.5 MBytes  9.90 Gbits/sec
+- - - - - - - - - - - - - - - - - - - - - - - - -
+[ ID] Interval           Transfer     Bitrate
+[  5]   0.00-10.04  sec  11.5 GBytes  9.84 Gbits/sec                  receiver
+```
+If a firewall is (RHEL/CentOS/Rocky/Alma) running you might need to add a temporary exception
+```bash
+sudo firewall-cmd --zone=public --add-port=54321/tcp
 ```