But Ethernet is not only for IP, what about other protocols ? -----Original Message----- From: Alan Cox [mailto:alan@lxorguk.ukuu.org.uk] Sent: Tuesday, April 17, 2001 3:41 PM To: shmulik.hen@intel.com Cc: linux-net@vger.kernel.org; linux-kernel@vger.kernel.org Subject: Re: change_mtu boundary checking error > 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 - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org
