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Discussion in 'Tomato Firmware' started by verdant, Jan 18, 2007.

  1. verdant

    verdant Guest

    Hello all. I just learned about Tomato from a friend of mine and I decided to give it a shot with a WRT54G I had lying around. So far I'm quite impressed with it. However, I can't seem to find a definite answer as to if Tomato automatically adjusts for the MTU difference between PPPoE and standard Ethernet. If anyone is familiar with OpenBSD/FreeBSD, the ppp daemon has a fix so you don't have to adjust all your clients to 1492. Does Tomato do that as well? Or do I need to adjust all the clients behind the WRT54G to have a MTU of 1492?
  2. ka9yhd

    ka9yhd LI Guru Member

    When you select PPPoE it should set the MTU to 1492 and PPPoE requires the lower MTU because the PPP packet is encapsulated inside the eithernet packet and must be disasembled and then put back together in the right order on the receiving end.

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