NAT Performance issue

I got performance issue with openwrt from LAN to WAN, i can never get over 150mbps, attatched photo of openwrt wan and lan performance

Tried many option, anybody have any suggestion?

Get a better router.

Don't ever run iperf (server or client) on the router itself. Plug in two devices, have one act as server and the other as client.


its running in vm in mac mini,

OK...your screenshot shows one end running directly on the router, hence the confusion.

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