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Even though CPU was the third thing I checked, and I wrote this: The Mikrotik is at around 25%-33% CPU usage when doing these transfer tests Which is confirmed by the CPU graph I've had it confirmed by external resources (i.e. a bunch of other support forums and blogs) that most Mikrotik routers just cannot push more than 11Mbps of IPSec traffic ...


I can confirm that the culprit is the CPU. Here I benchmarked a Mikrotik RB750GL and I measured 12 Mb/s with AES-128 traffic (and only 6.0 Mb/s with 3DES). Your result seems perfectly in-line with what recorded by me.


In case anyone else comes across this, here is the script I ended up using. It searches /var/log/messages for log in messages, then checks if the PID is still in use by pppd. It outputs just the user name and when they logged in. #!/bin/bash # Process each log in message grep "logged in" /var/log/messages | grep pppd | while read -r line ; do #echo ...

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