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ArunasGSM
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Posts: 4
Joined: Mon Apr 27, 2020 10:33 am

CHR bandwidth over nat

Mon Jul 26, 2021 12:59 pm

hello,
CHR 4cpu, 2gb ram on VMware
i have 1 gbit dedicated on CHR wan and virtual pc's connected to virtual switch.
testing bandwidth internet <-> CHR 700 mbit with single threed, CHR <-> virtual machine 5Gbits, speedtest on virtual machine, 1000 mbit, but iPerf3 internet -> nated one port to virtual machine, i have 13 mbits only?! Tested change adapter type, E1000, E1000e, VMXNET3, change CHR versions, tested gre tunel, crypt IPsec, every time same 13 mbit if single connection over mikrotik.
Also i do iperf3 -P 50 (50 processes, i can get 400-500 mbits.
There no problem if mikrotik is outside virtual machine, only with virtual.
How to find where can be problem?

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