通过/proc/net/dev分析网络包量,流量,错包,丢包
2016-01-11 15:02
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一,/proc/net/dev
user_00@xxxx64:~> cat /proc/net/dev
Inter- | Receive | Transmit
face | bytes packets errs drop fifo frame compressed multicast | bytes packets errs drop fifo colls carrier compressed
eth0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
eth1: 67437819880 552776948 0 0 0 0 0 6 63179118041 486899714 0 0 0 0 0 0
lo: 2338316682 34154992 0 0 0 0 0 0 2338316682 34154992 0 0 0 0 0 0
tunl0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
sit0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ip6tnl0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
最左边的表示接口的名字,Receive表示收包,Transmit表示收包;
bytes表示收发的字节数;
packets表示收发正确的包量;
errs表示收发错误的包量;
drop表示收发丢弃的包量;
二,/proc/net/snmp
user_00@xxxxx64:~> cat /proc/net/snmp
Ip: Forwarding DefaultTTL InReceives InHdrErrors InAddrErrors ForwDatagrams InUnknownProtos InDiscards InDelivers OutRequests OutDiscards OutNoRoutes ReasmTimeout ReasmReqds ReasmOKs ReasmFails
FragOKs FragFails FragCreates
Ip: 2 64 583571152 0 0 0 0 0 583571152 520325247 0 0 0 0 0 0 0 0 0
Icmp: InMsgs InErrors InDestUnreachs InTimeExcds InParmProbs InSrcQuenchs InRedirects InEchos InEchoReps InTimestamps InTimestampReps InAddrMasks InAddrMaskReps OutMsgs OutErrors OutDestUnreachs
OutTimeExcds OutParmProbs OutSrcQuenchs OutRedirects OutEchos OutEchoReps OutTimestamps OutTimestampReps OutAddrMasks OutAddrMaskReps
Icmp: 9859518 193 316 0 0 0 0 9859190 5 1 0 5 0 9859310 0 119 0 0 0 0 0 9859190 0 1 0 0
Tcp: RtoAlgorithm RtoMin RtoMax MaxConn ActiveOpens PassiveOpens AttemptFails EstabResets CurrEstab InSegs OutSegs RetransSegs InErrs OutRsts
Tcp: 1 200 120000 -1 42226398 41112433 0 407271 84 516490860 453242269 140892 0 1056150
Udp: InDatagrams NoPorts InErrors OutDatagrams
Udp: 57220606 116 0 57223663
通过访问该文件系统,可以对TCP和UDP进行监控:
转自:http://blog.csdn.net/tenfyguo/article/details/7478584
user_00@xxxx64:~> cat /proc/net/dev
Inter- | Receive | Transmit
face | bytes packets errs drop fifo frame compressed multicast | bytes packets errs drop fifo colls carrier compressed
eth0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
eth1: 67437819880 552776948 0 0 0 0 0 6 63179118041 486899714 0 0 0 0 0 0
lo: 2338316682 34154992 0 0 0 0 0 0 2338316682 34154992 0 0 0 0 0 0
tunl0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
sit0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ip6tnl0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
最左边的表示接口的名字,Receive表示收包,Transmit表示收包;
bytes表示收发的字节数;
packets表示收发正确的包量;
errs表示收发错误的包量;
drop表示收发丢弃的包量;
二,/proc/net/snmp
user_00@xxxxx64:~> cat /proc/net/snmp
Ip: Forwarding DefaultTTL InReceives InHdrErrors InAddrErrors ForwDatagrams InUnknownProtos InDiscards InDelivers OutRequests OutDiscards OutNoRoutes ReasmTimeout ReasmReqds ReasmOKs ReasmFails
FragOKs FragFails FragCreates
Ip: 2 64 583571152 0 0 0 0 0 583571152 520325247 0 0 0 0 0 0 0 0 0
Icmp: InMsgs InErrors InDestUnreachs InTimeExcds InParmProbs InSrcQuenchs InRedirects InEchos InEchoReps InTimestamps InTimestampReps InAddrMasks InAddrMaskReps OutMsgs OutErrors OutDestUnreachs
OutTimeExcds OutParmProbs OutSrcQuenchs OutRedirects OutEchos OutEchoReps OutTimestamps OutTimestampReps OutAddrMasks OutAddrMaskReps
Icmp: 9859518 193 316 0 0 0 0 9859190 5 1 0 5 0 9859310 0 119 0 0 0 0 0 9859190 0 1 0 0
Tcp: RtoAlgorithm RtoMin RtoMax MaxConn ActiveOpens PassiveOpens AttemptFails EstabResets CurrEstab InSegs OutSegs RetransSegs InErrs OutRsts
Tcp: 1 200 120000 -1 42226398 41112433 0 407271 84 516490860 453242269 140892 0 1056150
Udp: InDatagrams NoPorts InErrors OutDatagrams
Udp: 57220606 116 0 57223663
通过访问该文件系统,可以对TCP和UDP进行监控:
平均每秒新增TCP连接数 | 通过/proc/net/snmp文件得到最近240秒内PassiveOpens的增量,除以240得到每秒的平均增量 | |
机器的TCP连接数 | 通过/proc/net/snmp文件的CurrEstab得到TCP连接数 | |
平均每秒的UDP接收数据报 | 通过/proc/net/snmp文件得到最近240秒内InDatagrams的增量,除以240得到平均每秒的UDP接收数据报。 | |
平均每秒的UDP发送数据报 | 通过/proc/net/snmp文件得到最近240秒内OutDatagrams的增量,除以240得到平均每秒的UDP发送数据报。 |
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