Hello all For 100Mb/s netcard, does mean incoming & outgoing speed are both 100M/s? For 100Mb/s switch, What does it mean? Is it the speed of all physical link? for example: -------------------------- ---------------------------------- | PC1 | | PC2 | | 100Mb/s netcard | | 100Mb/s netcard | | | | | --------------|-------------- -----|-------------------------------- | | | | ------------------------------------ | 100 Mb/s switch | | | ----------------------------- ------- In this figure, PC1 and PC2 connect the 100 Mb/s switch by 100M/s netcard. PC1 send packets one by one to the PC2, then PC2 send back the packest one by one to PC1. What maximum speed is PC1 send-packets? 100Mb/s, 100Mb/s / 2 = 50Mb/s, other? Best Regards Lu - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html