Re: change_mtu boundary checking error

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Apr 17 2001 - 07:40:34 EST


> Now, the high boundary seemed reasonable (ETH_FRAME_LEN - ETH_HLEN =
> ETH_DATA_LEN) which gives 1500, but why is the low boundary set to 68 ?
> According to my calculations, it should have been ETH_ZLEN - ETH_HLEN which
> gives 46.

The IPv4 minimum MTU is 68 bytes. Below that not all frames can be delivered

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This archive was generated by hypermail 2b29 : Mon Apr 23 2001 - 21:00:22 EST