Re: change_mtu boundary checking error
Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 17 Apr 2001 13:40:34 +0100 (BST)
> 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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