Odczytanie zawartości /proc/net/dev nic nie mówi o ruchu na portach, jedynie na wewnętrznych interfejsach switch'a. Aby uzyskać stany liczników (ruch) dla każdego z portów osobno, wystarczy otworzyć plik /var/tmp/status_json.
{
"stats":{
"1":{
"poe":"0",
"portSpeed":"100",
"linkStatus":"1",
"duplex":"1",
"hasVlans":"0",
"maxFrameSize":"1518",
"alertEnabled":"0",
"stpState":"No spanning",
"stats":{
"TxByte":117754941658,
"TxBroad":110690,
"TxUni":111089346,
"TxMulti":93541,
"TxExcCol":0,
"TxLateCol":0,
"RxGoodByte":27881914005,
"RxBroad":46508,
"RxUni":88242095,
"RxMulti":1395,
"RxFcsErr":1,
"RxAllignErr":0,
"RxJabber":0,
"RxFragment":0,
"RxOversize":0,
"TRx64Byte":40993599,
"TRx128Byte":25693523,
"TRx256Byte":3648856,
"TRx512Byte":1990133,
"TRx1024Byte":2362312,
"TRxMaxByte":13601576
}
},
"2":{
"poe":"0",
"portSpeed":"1000",
"linkStatus":"1",
"duplex":"1",
"hasVlans":"0",
"maxFrameSize":"1518",
"alertEnabled":"0",
"stpState":"No spanning",
"stats":{
"TxByte":163126309,
"TxBroad":1432704,
"TxUni":453,
"TxMulti":567588,
"TxExcCol":0,
"TxLateCol":0,
"RxGoodByte":3241577,
"RxBroad":0,
"RxUni":1,
"RxMulti":6191,
"RxFcsErr":0,
"RxAllignErr":0,
"RxJabber":0,
"RxFragment":0,
"RxOversize":0,
"TRx64Byte":34,
"TRx128Byte":0,
"TRx256Byte":0,
"TRx512Byte":2471,
"TRx1024Byte":3687,
"TRxMaxByte":0
}
},
"3":{
"poe":"0",
"portSpeed":"1000",
"linkStatus":"1",
"duplex":"1",
"hasVlans":"0",
"maxFrameSize":"1518",
"alertEnabled":"0",
"stpState":"No spanning",
"stats":{
"TxByte":163682077,
"TxBroad":1433291,
"TxUni":502,
"TxMulti":567350,
"TxExcCol":0,
"TxLateCol":0,
"RxGoodByte":2740019,
"RxBroad":0,
"RxUni":0,
"RxMulti":6511,
"RxFcsErr":0,
"RxAllignErr":0,
"RxJabber":0,
"RxFragment":0,
"RxOversize":0,
"TRx64Byte":6,
"TRx128Byte":0,
"TRx256Byte":0,
"TRx512Byte":6505,
"TRx1024Byte":0,
"TRxMaxByte":0
}
},
"4":{
"poe":"0",
"portSpeed":"1000",
"linkStatus":"1",
"duplex":"1",
"hasVlans":"0",
"maxFrameSize":"1518",
"alertEnabled":"0",
"stpState":"No spanning",
"stats":{
"TxByte":1393171085555,
"TxBroad":1431210,
"TxUni":1290915353,
"TxMulti":573720,
"TxExcCol":0,
"TxLateCol":0,
"RxGoodByte":156045432312,
"RxBroad":328,
"RxUni":958413239,
"RxMulti":4056,
"RxFcsErr":0,
"RxAllignErr":0,
"RxJabber":0,
"RxFragment":0,
"RxOversize":0,
"TRx64Byte":498122212,
"TRx128Byte":318655134,
"TRx256Byte":54161969,
"TRx512Byte":17977988,
"TRx1024Byte":23049878,
"TRxMaxByte":46450443
}
},
"5":{
"poe":"0",
"portSpeed":"1000",
"linkStatus":"1",
"duplex":"1",
"hasVlans":"0",
"maxFrameSize":"1518",
"alertEnabled":"0",
"stpState":"No spanning",
"stats":{
"TxByte":1336905838571,
"TxBroad":241505,
"TxUni":3710249743,
"TxMulti":496286,
"TxExcCol":0,
"TxLateCol":0,
"RxGoodByte":12183648616197,
"RxBroad":1178135,
"RxUni":2229543132,
"RxMulti":77472,
"RxFcsErr":0,
"RxAllignErr":0,
"RxJabber":0,
"RxFragment":0,
"RxOversize":0,
"TRx64Byte":657162412,
"TRx128Byte":1339531801,
"TRx256Byte":523701573,
"TRx512Byte":313405085,
"TRx1024Byte":246887664,
"TRxMaxByte":3445300570
}
},
"6":{
"poe":"0",
"portSpeed":"100",
"linkStatus":"1",
"duplex":"1",
"hasVlans":"0",
"maxFrameSize":"1518",
"alertEnabled":"0",
"stpState":"No spanning",
"stats":{
"TxByte":45602466100,
"TxBroad":151096,
"TxUni":42552269,
"TxMulti":92342,
"TxExcCol":0,
"TxLateCol":0,
"RxGoodByte":3575597265,
"RxBroad":26,
"RxUni":29139075,
"RxMulti":2768,
"RxFcsErr":0,
"RxAllignErr":0,
"RxJabber":0,
"RxFragment":0,
"RxOversize":0,
"TRx64Byte":17438436,
"TRx128Byte":8498808,
"TRx256Byte":1561161,
"TRx512Byte":406953,
"TRx1024Byte":563539,
"TRxMaxByte":672972
}
},
"7":{
"poe":"0",
"portSpeed":"1000",
"linkStatus":"1",
"duplex":"1",
"hasVlans":"0",
"maxFrameSize":"1518",
"alertEnabled":"0",
"stpState":"No spanning",
"stats":{
"TxByte":3208892838838,
"TxBroad":1256802,
"TxUni":2760667465,
"TxMulti":400569,
"TxExcCol":0,
"TxLateCol":0,
"RxGoodByte":293912171364,
"RxBroad":176646,
"RxUni":2009603876,
"RxMulti":173290,
"RxFcsErr":0,
"RxAllignErr":0,
"RxJabber":0,
"RxFragment":0,
"RxOversize":0,
"TRx64Byte":1068232579,
"TRx128Byte":683150554,
"TRx256Byte":96470449,
"TRx512Byte":39277959,
"TRx1024Byte":46666621,
"TRxMaxByte":76155650
}
},
"8":{
"poe":"0",
"portSpeed":"100",
"linkStatus":"1",
"duplex":"1",
"hasVlans":"0",
"maxFrameSize":"1518",
"alertEnabled":"0",
"stpState":"No spanning",
"stats":{
"TxByte":7436383703602,
"TxBroad":1352989,
"TxUni":2343144437,
"TxMulti":267006,
"TxExcCol":0,
"TxLateCol":0,
"RxGoodByte":873321777726,
"RxBroad":32306,
"RxUni":648949666,
"RxMulti":310287,
"RxFcsErr":0,
"RxAllignErr":0,
"RxJabber":0,
"RxFragment":0,
"RxOversize":0,
"TRx64Byte":2512756819,
"TRx128Byte":1695780622,
"TRx256Byte":226916928,
"TRx512Byte":98845703,
"TRx1024Byte":121118002,
"TRxMaxByte":289468496
}
}
},
"timestamp":1389173254.935458,
"now":"2014-01-08 10:27:34",
"uptime":"506585",
"management":{
"up":1,
"speed":100
}
}