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Tomato OVPN Client: Traffic SLOW

Discussion in 'Tomato Firmware' started by richyroland, Jul 16, 2017.

  1. richyroland

    richyroland New Member Member

    Hi guys

    I got Tomato version v2.4-138 Mega-VPN running.

    I want to use the openVPN-Client to direct all internet traffic over the VPN server.

    And I want to safe the keys into files on a USB-stick (instead of pasting them into the GUI). This allows me faster switching between servers. Like outlined here for server-configs: http://www.linksysinfo.org/index.php?threads/nvram-32k-size-error-with-openvpn-use-jffs.36950/

    Traffic gets redirected. However, internet gets terribly slow: Normally I get around 40Mbps, with VPN on it falls to 4Mbps. If I connect to the same VPN-server directly from the computer, I still get about 35Mbps - so the bottleneck is clearly somewhere inside the router, not the VPN or my connection.


    - Whant can be done to make traffic pass through openVPN - client decently fast?

    Thanks :) !
     
  2. PetervdM

    PetervdM Network Guru Member

    use a more powerful router. encrypting / decrypting vpn packets costs a lot of cpu cycles!
     
  3. richyroland

    richyroland New Member Member

    Any trusted recommendation...? I like Tomato to begin with :)
     
  4. richyroland

    richyroland New Member Member

    ... and true: there are 2x 1000 mhz router's CPUs around, anyway, mine runs at 500mhz which is already not so bad. Shouldn't it work already decently on a 500mhz cpu?
     
  5. PetervdM

    PetervdM Network Guru Member

    can't do a really good test right now. i have a R8000, dual-core 1000MHz. on an open wifipoint known to run 10/2 i get 9.15 down and 1.87 up. with vpn switched on i get 8.39 down and 1.75 up. the cpu does not exceed 25% usage. keep in mind that the vpn routine does not multitask and don't necessarily pick the least loaded cpu. i'm running Tomato Firmware 1.28.0000 -2017.2-kille72- K26ARM USB AIO-64K which has the most recent openvpn version and has patches for several flaws, see the release notes. for more info see: http://www.linksysinfo.org/index.php?threads/router-for-always-on-vpn.71224/
     
    Last edited: Jul 16, 2017
  6. richyroland

    richyroland New Member Member

    Thanks for this advise. I ordered a R7000 now, not sure what's the difference to the R8000, anyway, the R7000 seems to be supportet by AdvancedTomato which I am already familiar with. It has a dual-core 1000mhz cpu as well. I hope this will make a difference.
     

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