PPTP/L2TP over PPPoE的準確MTU/MRU值
/*Ethernet MinSize = 512bit = 64 Byte Ethernet MaxSize = 1518 Byte so Ethernet IP MTU = 1518 - 18 ( 6 SRCMAC+ 6 DSTMAC+ 2 TYPE+ 4 CRC) = 1500 B so Ethernet IP TCP MSS = 1500 - 40 ( 20 IP_HEADE...
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2012-08-22 10:25:24 ·
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