Linux系统下查看网络接口数据信息的命令总结
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监视网络接口TCP状态信息数据有多种工具或命令。下面举例一些：nstat命令
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代码如下:
# nstat#kernelIpInReceives 9733104 0.0IpInDelivers 9733102 0.0IpOutRequests 9058593 0.0IcmpInErrors 2147 0.0IcmpInCsumErrors 1143 0.0IcmpInDestUnreachs 2 0.0IcmpInTimeExcds 1361 0.0IcmpInParmProbs 56 0.0IcmpInRedirects 1 0.0IcmpInEchoReps 701 0.0IcmpInTimestamps 26 0.0IcmpOutErrors 750 0.0IcmpOutTimeExcds 23 0.0IcmpOutEchoReps 26 0.0IcmpOutTimestamps 701 0.0IcmpMsgInType0 26 0.0IcmpMsgInType3 1361 0.0IcmpMsgInType4 1 0.0IcmpMsgInType8 701 0.0IcmpMsgInType11 56 0.0IcmpMsgOutType0 701 0.0IcmpMsgOutType3 23 0.0IcmpMsgOutType8 26 0.0TcpActiveOpens 678940 0.0TcpPassiveOpens 910289 0.0TcpAttemptFails 58018 0.0TcpEstabResets 14608 0.0TcpInSegs 9686518 0.0TcpOutSegs 9038288 0.0TcpRetransSegs 6700 0.0TcpInErrs 47 0.0TcpOutRsts 67249 0.0UdpInDatagrams 44409 0.0UdpNoPorts 23 0.0UdpOutDatagrams 44441 0.0Ip6InReceives 6 0.0Ip6InNoRoutes 6 0.0Ip6OutRequests 9 0.0Ip6OutNoRoutes 3948 0.0Ip6OutMcastPkts 14 0.0Ip6InOctets 432 0.0Ip6OutOctets 612 0.0Ip6OutMcastOctets 992 0.0Ip6InNoECTPkts 6 0.0Icmp6OutMsgs 9 0.0Icmp6OutRouterSolicits 3 0.0Icmp6OutNeighborSolicits 1 0.0Icmp6OutMLDv2Reports 5 0.0Icmp6OutType133 3 0.0Icmp6OutType135 1 0.0Icmp6OutType143 5 0.0TcpExtSyncookiesFailed 140 0.0TcpExtEmbryonicRsts 704 0.0TcpExtPruneCalled 23 0.0TcpExtTW 615681 0.0TcpExtPAWSEstab 20 0.0TcpExtDelayedACKs 52123 0.0TcpExtDelayedACKLocked 44 0.0TcpExtDelayedACKLost 1518 0.0TcpExtListenDrops 32 0.0TcpExtTCPPrequeued 19258 0.0TcpExtTCPDirectCopyFromBacklog 45185 0.0TcpExtTCPDirectCopyFromPrequeue 394312 0.0TcpExtTCPHPHits 943072 0.0TcpExtTCPHPHitsToUser 3478 0.0TcpExtTCPPureAcks 3242625 0.0TcpExtTCPHPAcks 547259 0.0TcpExtTCPSackRecovery 650 0.0TcpExtTCPFACKReorder 1 0.0TcpExtTCPSACKReorder 8 0.0TcpExtTCPTSReorder 23 0.0TcpExtTCPFullUndo 1 0.0TcpExtTCPPartialUndo 23 0.0TcpExtTCPDSACKUndo 1 0.0TcpExtTCPLossUndo 854 0.0TcpExtTCPLostRetransmit 162 0.0TcpExtTCPSackFailures 135 0.0TcpExtTCPLossFailures 18 0.0TcpExtTCPFastRetrans 1517 0.0TcpExtTCPForwardRetrans 104 0.0TcpExtTCPSlowStartRetrans 172 0.0TcpExtTCPTimeouts 2764 0.0TcpExtTCPLossProbes 5201 0.0TcpExtTCPLossProbeRecovery 2858 0.0TcpExtTCPSackRecoveryFail 74 0.0TcpExtTCPRcvCollapsed 460 0.0TcpExtTCPDSACKOldSent 1645 0.0TcpExtTCPDSACKOfoSent 21 0.0TcpExtTCPDSACKRecv 879 0.0TcpExtTCPAbortOnData 4314 0.0TcpExtTCPAbortOnClose 346 0.0TcpExtTCPAbortOnTimeout 186 0.0TcpExtTCPDSACKIgnoredNoUndo 615 0.0TcpExtTCPSpuriousRTOs 95 0.0TcpExtTCPSackShifted 402 0.0TcpExtTCPSackMerged 2048 0.0TcpExtTCPSackShiftFallback 2592 0.0TcpExtTCPRcvCoalesce 145162 0.0TcpExtTCPOFOQueue 36672 0.0TcpExtTCPOFOMerge 21 0.0TcpExtTCPChallengeACK 329 0.0TcpExtTCPSYNChallenge 47 0.0IpExtInNoRoutes 2 0.0IpExtInOctets 1568628267 0.0IpExtOutOctets 1158526375 0.0IpExtInNoECTPkts 9828130 0.0IpExtInECT0Pkts 10 0.0IpExtInCEPkts 3 0.0
ss命令
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代码如下:
# ss -sTotal: 319 (kernel 752)TCP: 187 (estab 114, closed 58, orphaned 0, synrecv 0, timewait 58/0), ports 0 Transport Total IP IPv6* 752 – – RAW 0 0 0 UDP 3 2 1 TCP 129 113 16 INET 132 115 17 FRAG 0 0 0
netstat命令
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代码如下:
# netstat -iKernel Interface tableIface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flgeth0 9001 0 2194916 0 0 0 1424609 0 0 0 BMRUlo 65536 0 7670598 0 0 0 7670598 0 0 0 LRU</p>
<p># netstat -sIp: 9743496 total packets received 0 forwarded 0 incoming packets discarded 9743494 incoming packets delivered 9068146 requests sent outIcmp: 2147 ICMP messages received 1143 input ICMP message failed. InCsumErrors: 2 ICMP input histogram: destination unreachable: 1361 timeout in transit: 56 source quenches: 1 echo requests: 701 echo replies: 26 750 ICMP messages sent 0 ICMP messages failed ICMP output histogram: destination unreachable: 23 echo request: 26 echo replies: 701IcmpMsg: InType0: 26 InType3: 1361 InType4: 1 InType8: 701 InType11: 56 OutType0: 701 OutType3: 23 OutType8: 26Tcp: 679665 active connections openings 911387 passive connection openings 58018 failed connection attempts 14608 connection resets received 118 connections established 9696894 segments received 9047825 segments send out 6700 segments retransmited 47 bad segments received. 67249 resets sentUdp: 44425 packets received 23 packets to unknown port received. 0 packet receive errors 44457 packets sentUdpLite:TcpExt: 140 invalid SYN cookies received 704 resets received for embryonic SYN_RECV sockets 23 packets pruned from receive queue because of socket buffer overrun 616402 TCP sockets finished time wait in fast timer 20 packets rejects in established connections because of timestamp 52124 delayed acks sent 45 delayed acks further delayed because of locked socket Quick ack mode was activated 1519 times 32 SYNs to LISTEN sockets dropped 19258 packets directly queued to recvmsg prequeue. 45185 bytes directly in process context from backlog 394312 bytes directly received in process context from prequeue 943942 packet headers predicted 3478 packets header predicted and directly queued to user 3246338 acknowledgments not containing data payload received 547737 predicted acknowledgments 650 times recovered from packet loss by selective acknowledgements Detected reordering 1 times using FACK Detected reordering 8 times using SACK Detected reordering 23 times using time stamp 1 congestion windows fully recovered without slow start 23 congestion windows partially recovered using Hoe heuristic 1 congestion windows recovered without slow start by DSACK 854 congestion windows recovered without slow start after partial ack TCPLostRetransmit: 162 135 timeouts after SACK recovery 18 timeouts in loss state 1517 fast retransmits 104 forward retransmits 172 retransmits in slow start 2764 other TCP timeouts TCPLossProbes: 5202 TCPLossProbeRecovery: 2859 74 SACK retransmits failed 460 packets collapsed in receive queue due to low socket buffer 1646 DSACKs sent for old packets 21 DSACKs sent for out of order packets 879 DSACKs received 4314 connections reset due to unexpected data 346 connections reset due to early user close 186 connections aborted due to timeout TCPDSACKIgnoredNoUndo: 615 TCPSpuriousRTOs: 95 TCPSackShifted: 402 TCPSackMerged: 2048 TCPSackShiftFallback: 2592 TCPRcvCoalesce: 145187 TCPOFOQueue: 36673 TCPOFOMerge: 21 TCPChallengeACK: 329 TCPSYNChallenge: 47IpExt: InNoRoutes: 2 InOctets: 1570012766 OutOctets: 1159491497 InNoECTPkts: 9838700 InECT0Pkts: 10 InCEPkts: 3
<p># netstat -sIp: 9743496 total packets received 0 forwarded 0 incoming packets discarded 9743494 incoming packets delivered 9068146 requests sent outIcmp: 2147 ICMP messages received 1143 input ICMP message failed. InCsumErrors: 2 ICMP input histogram: destination unreachable: 1361 timeout in transit: 56 source quenches: 1 echo requests: 701 echo replies: 26 750 ICMP messages sent 0 ICMP messages failed ICMP output histogram: destination unreachable: 23 echo request: 26 echo replies: 701IcmpMsg: InType0: 26 InType3: 1361 InType4: 1 InType8: 701 InType11: 56 OutType0: 701 OutType3: 23 OutType8: 26Tcp: 679665 active connections openings 911387 passive connection openings 58018 failed connection attempts 14608 connection resets received 118 connections established 9696894 segments received 9047825 segments send out 6700 segments retransmited 47 bad segments received. 67249 resets sentUdp: 44425 packets received 23 packets to unknown port received. 0 packet receive errors 44457 packets sentUdpLite:TcpExt: 140 invalid SYN cookies received 704 resets received for embryonic SYN_RECV sockets 23 packets pruned from receive queue because of socket buffer overrun 616402 TCP sockets finished time wait in fast timer 20 packets rejects in established connections because of timestamp 52124 delayed acks sent 45 delayed acks further delayed because of locked socket Quick ack mode was activated 1519 times 32 SYNs to LISTEN sockets dropped 19258 packets directly queued to recvmsg prequeue. 45185 bytes directly in process context from backlog 394312 bytes directly received in process context from prequeue 943942 packet headers predicted 3478 packets header predicted and directly queued to user 3246338 acknowledgments not containing data payload received 547737 predicted acknowledgments 650 times recovered from packet loss by selective acknowledgements Detected reordering 1 times using FACK Detected reordering 8 times using SACK Detected reordering 23 times using time stamp 1 congestion windows fully recovered without slow start 23 congestion windows partially recovered using Hoe heuristic 1 congestion windows recovered without slow start by DSACK 854 congestion windows recovered without slow start after partial ack TCPLostRetransmit: 162 135 timeouts after SACK recovery 18 timeouts in loss state 1517 fast retransmits 104 forward retransmits 172 retransmits in slow start 2764 other TCP timeouts TCPLossProbes: 5202 TCPLossProbeRecovery: 2859 74 SACK retransmits failed 460 packets collapsed in receive queue due to low socket buffer 1646 DSACKs sent for old packets 21 DSACKs sent for out of order packets 879 DSACKs received 4314 connections reset due to unexpected data 346 connections reset due to early user close 186 connections aborted due to timeout TCPDSACKIgnoredNoUndo: 615 TCPSpuriousRTOs: 95 TCPSackShifted: 402 TCPSackMerged: 2048 TCPSackShiftFallback: 2592 TCPRcvCoalesce: 145187 TCPOFOQueue: 36673 TCPOFOMerge: 21 TCPChallengeACK: 329 TCPSYNChallenge: 47IpExt: InNoRoutes: 2 InOctets: 1570012766 OutOctets: 1159491497 InNoECTPkts: 9838700 InECT0Pkts: 10 InCEPkts: 3
ip命令
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代码如下:
# ip -s link1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 RX: bytes packets errors dropped overrun mcast 883395575 7672258 0 0 0 0 TX: bytes packets errors dropped carrier collsns 883395575 7672258 0 0 0 0 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9001 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000 link/ether 02:7a:7d:d2:f7:21 brd ff:ff:ff:ff:ff:ff RX: bytes packets errors dropped overrun mcast 694754381 2197268 0 0 0 0 TX: bytes packets errors dropped carrier collsns 296980409 1425257 0 0 0 0
sar命令
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代码如下:
# sar -n DEV 1 Linux 3.13.0-48-generic (beta) 2015年08月17日 _x86_64_ (4 CPU) 14时46分54秒 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil14时46分55秒 eth0 12.00 5.00 0.97 1.18 0.00 0.00 0.00 0.0014时46分55秒 lo 10.00 10.00 1.00 1.00 0.00 0.00 0.00 0.00 14时46分55秒 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil14时46分56秒 eth0 1.00 1.00 0.05 0.47 0.00 0.00 0.00 0.0014时46分56秒 lo 16.00 16.00 2.17 2.17 0.00 0.00 0.00 0.00 14时46分56秒 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil14时46分57秒 eth0 5.00 3.00 0.26 0.61 0.00 0.00 0.00 0.0014时46分57秒 lo 10.00 10.00 1.00 1.00 0.00 0.00 0.00 0.00
还有其它工具如nload，iftop等等，不一一列举了。
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资源分享吧 » Linux系统下查看网络接口数据信息的命令总结
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