????????TCP??????david????飬thx~~??

????1???????????

????????TCP??????????????????治?????????????￡??????????????????????????Э??????????????????????????????????

?????????tcp????????????????

????2????????

# cat /proc/net/snmp | grep Tcp:
Tcp: RtoAlgorithm RtoMin RtoMax MaxConn ActiveOpens PassiveOpens AttemptFails EstabResets CurrEstab InSegs OutSegs RetransSegs InErrs OutRsts
Tcp: 1 200 120000 -1 78447 413 50234 221 3 5984652 5653408 156800 0 849

????????? = RetransSegs / OutSegs

??????????????????Χ?????ok?????????????????

??????????????????????