这是一个有问题的bt检测结果:tcp options string = 0204056401010402
mtu = 1420
mtu is not fully optimized for broadband. consider increasing your mtu to 1500 for better throughput.
mss = 1380
mss is not fully optimized for broadband (although it might work well for slower connections). consider increasing your mtu value.
note: under windows 9x, if you have rwin set to any other value, and the analyzer reports 65535 you might need to install the ms vtcp386 fix.
for optimum performance, consider changing rwin to a multiple of mss.
other values for rwin that might work well with your current mtu/mss:
507840 (mss x 46 * scale factor of 8)
253920 (mss x 46 * scale factor of 4)
126960 (mss x 46 * scale factor of 2)
63480 (mss x 46)
bandwidth * delay product (note this is not a speed test):
your rcvwindow limits you to: 2621.4 kbps (327.675 kbytes/s) @ 200ms
your rcvwindow limits you to: 1048.56 kbps (131.07 kbytes/s) @ 500ms
mtu discovery (rfc1191) = on
time to live left = 52 hops
ttl value is ok.
timestamps (rfc1323) = off
selective acknowledgements (rfc2018) = on
ip type of service field (rfc1349) = 00000000 (0)