This is a brief follow-up to this post – sysadminman.net/blog/2011/openvpn-sysadminman-asterisk-tl-wr1043nd-3431 – which details OpenVPN on a TP-LINK TL-WR1043ND running OpenWRT.
I used iperf to max out my ADSL link which will run at 8mb. This showed around 35% CPU usage on the TP-LINK so it looks good, at least for my line speed.
Here is the iperf report –
and CPU usage by running ‘top’ on the TP-LINK –