Since all this combined will put considerably peak loads on your RPi for sustained periods at times, a good power supply and cable for your RPi becomes even more crucial, and you may want to think about effective cooling as well, lest your encryption rates and transfer speeds will drop to due your RPi throttling down CPU freq to counter heat built-up.Īll in all, while it is certainly possible to run a VPN client gateway next to Pi-hole, I'd support in recommending to try enabling this on your router first. ( Similar limitations would apply to the only nominal GBit Ethernet interface on a 3B+.)Īlso, lack of dedicated switching hardware (which again your router may have) means all traffic will have to pass through your 3B's memory and CPU.
INSTALL MIKROTIK CLIENT ON RASPBERRY PI DOWNLOAD
This would nominally leave around 430Mbit/s for the second Ethernet dongle when maxing your ISPs download speed of 50Mbit/s with built-in Ethernet, though actual transfer speeds may be slower. USB 2.0 max transfer speed is specified as 480Mbit/s, and that is shared by all USB devices connected to your 3B, including built-in Ethernet. If you decide on a Gbit one to handle your local network, you should be aware of the USB speed limit mentioned by deHakkelaar: You could try to alleviate bandwith issues by adding a second Ethernet adapater as an USB dongle, using the built-in for ISP connection exclusively. I don't know about your router, but Microtik offers hardware acceleration for sha1 and sha256 on quite a few models. It's probably worth noting that while the 3B's BCM2837 CPU is based on an ARMv8 Cortex-A53, it is lacking its crypto extensions (due to extra licensing cost according to this RaspberryPi forum discussion).Ī Rock64 (also a Cortex-A53 design, but with ARMv8 crypto support built-in and enabled) does encryption significantly faster (about an order of magnitude). Your router may be better equipped to do this, as it may feature some hardware encryption support. So don't host any additional services like your music and video collection on the same RPi.Įncryption will come on top of that, taking a bite off your transfer speed (potentially -and ironically- relaxing bandwith limits a bit). With a 3B, you'd already max out its single 100Mbit/s network interface with 50Mbit/s ISP download, since traffic has to travel in from ISP and out to your individual clients simultaneously, effectively halving your RPi's bandwidth.īy the bare numbers, this is just an inch from becoming a bottleneck if only ISP traffic is involved, but it may become one if you consider local network traffic as well.
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I have raspi 3B and my isp speed is only 50mbps ma