============================================================================VDSL Training Status: ShowtimeVDSL Profile: Profile 17aTraffic Type: PTM Mode============================================================================VDSL Port Details Upstream DownstreamLine Rate: 5.454 Mbps 21.643 MbpsActual Net Data Rate: 5.369 Mbps 21.567 MbpsTrellis Coding: OFF ONSNR Margin: 12.0 dB 15.5 dBActual Delay: 5 ms 5 msTransmit Power: 12.1 dBm 8.1 dBmReceive Power: -10.7 dBm -10.0 dBmActual INP: 17.0 symbols 18.0 symbolsTotal Attenuation: 22.9 dB 18.1 dBAttainable Net Data Rate: 10.777 Mbps 43.604 Mbps============================================================================VDSL Band Status U0 U1 U2 U3 D1 D2 D3Line Attenuation(dB): 13.3 47.9 62.4 N/A 18.1 49.9 75.1Signal Attenuation(dB): 9 .0 47.2 60.5 N/A 18.1 49.9 N/ASNR Margin(dB): 13.5 11.8 12.1 N/A 15.5 0 .0 N/ATransmit Power(dBm):-1 .8 9 .3 8 .5 N/A 8 .1 -128.0 N/A============================================================================
掉封包,通常有幾個成因!1. 線路及線頭沒打好。重打及測線2. 設備有問題,網卡或設備硬體故障3. 傳輸距離過遠,需加中繼,偏遠地區較困難看你的問題比較偏3,因為是掉在電信業者的設備,請電信業者更換小烏龜,查線或檢查機房設備(換PORT看看),如果離機房距離過遠,哪就要看電信業這願不願意增設機房或加中繼,通常機會不大,因為成本不符!
ping www.hinet.net -t 在伺服器主機忙碌時偶爾不回應ICMP封包算是正常,只要不超過2%,應該都可忽略;測試前最好還是先簡化網路環境,筆電、桌電改用有線網路,連接數據機撥號上網後再測,若Ping 168.95.24.150(BRAS)會掉封包2%-5%以上,可能就要報修了。