問題はこちらのSynology NAS、調べてみるとCommunityレポジトリの中にある、「SynoCli Monitor Tools」パッケージの中にiPerf(iPerf2とiPerf3)が含まれているとこのと。
VPN越しにSynology NASとiPerf計測して新旧OpenWRTルータの性能比較 | Fun Scripting 2.0 2022
https://synocommunity.com/package/synocli-monitor
In the Name field type in: SynoCommunity
In the Location field type in: https://synopackage.com/repository/spk/allhttps://mariushosting.com/synology-how-to-add-community-packages-to-package-center/
iperf3
DSM 7.2 + SynoCli Monitor Tools v1.5-7
$ /bin/iperf -v iperf version 2.1.8 (12 August 2022) pthreads $ /usr/local/bin/iperf2 -v iperf version 2.1.9 (14 March 2023) pthreads $ /usr/local/bin/iperf3 -v iperf 3.13 (cJSON 1.7.15)