Linux網絡統計工具/命令

b2f5 9年前發布 | 17K 次閱讀 Linux

我在Linux(基于CentOS 或者 Debian 的發行版)中該如何查看當前網絡端口吞吐量的統計信息？在Linux操作系統中如何查看當前內核snmp計數器以及網絡端口的統計信息？

Linux網絡統計工具/命令

你可以使用以下任何一個命令：

nstat 命令 : 網絡統計工具

鍵入以下命令:

# nstat

輸出樣例:

#kernel
IpInReceives                    133243             0.0
IpInDelivers                    133243             0.0
IpOutRequests                   92904              0.0
IcmpOutErrors                   97                 0.0
IcmpOutTimeExcds                97                 0.0
IcmpMsgOutType3                 97                 0.0
TcpActiveOpens                  538                0.0
TcpEstabResets                  56                 0.0
TcpInSegs                       129837             0.0
TcpOutSegs                      89720              0.0
TcpRetransSegs                  42                 0.0
TcpOutRsts                      704                0.0
UdpInDatagrams                  3255               0.0
UdpNoPorts                      97                 0.0
UdpOutDatagrams                 3270               0.0
Ip6OutNoRoutes                  206                0.0
TcpExtTW                        141                0.0
TcpExtDelayedACKs               508                0.0
TcpExtDelayedACKLocked          1                  0.0
TcpExtDelayedACKLost            42                 0.0
TcpExtTCPHPHits                 117659             0.0
TcpExtTCPPureAcks               2158               0.0
TcpExtTCPHPAcks                 605                0.0
TcpExtTCPSackRecovery           1                  0.0
TcpExtTCPLossUndo               16                 0.0
TcpExtTCPSackFailures           4                  0.0
TcpExtTCPFastRetrans            1                  0.0
TcpExtTCPSlowStartRetrans       3                  0.0
TcpExtTCPTimeouts               33                 0.0
TcpExtTCPDSACKOldSent           40                 0.0
TcpExtTCPDSACKRecv              5                  0.0
TcpExtTCPAbortOnData            120                0.0
TcpExtTCPAbortOnClose           55                 0.0
TcpExtTCPSackShiftFallback      9                  0.0
IpExtInOctets                   180131682          0.0
IpExtOutOctets                  7289106            0.0

ss 命令 : 查詢套接字工具

要查看統計匯總, 輸入:

# ss -s

輸出樣例:

Total: 786 (kernel 804) TCP: 65 (estab 40, closed 7, orphaned 0, synrecv 0, timewait 6/0), ports 56 Transport Total IP IPv6

804 - - RAW 1 1 0 UDP 12 9 3 TCP 58 52 6 INET 71 62 9 FRAG 0 0 0</pre>

查看ss 命令教程獲取更多信息。

netstat 命令 : 不錯的顯示套接字信息的舊工具

查看所有網絡端口以及匯總信息表，輸入：

# netstat -i

輸出樣例:

Kernel Interface table
Iface   MTU Met   RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP TX-OVR Flg
eth0       1500 0    941022      0      0 0        688165      0      0      0 BMRU
lo        16436 0      9304      0      0 0          9304      0      0      0 LRU
ppp0       1496 0      3784      0      0 0          4177      0      0      0 MOPRU

查看每個協議的匯總統計信息，輸入：

# netstat -s

輸出樣例:

Ip:
1092065 total packets received
0 forwarded
0 incoming packets discarded
1091681 incoming packets delivered
798913 requests sent out
895 dropped because of missing route
759 reassemblies required
375 packets reassembled ok
Icmp:
17 ICMP messages received
0 input ICMP message failed.
ICMP input histogram:
  timeout in transit: 8
  echo replies: 9
1747 ICMP messages sent
0 ICMP messages failed
ICMP output histogram:
  destination unreachable: 1730
  echo request: 17
IcmpMsg:
  InType0: 9
  InType11: 8
  OutType3: 1730
  OutType8: 17
Tcp:
4822 active connections openings
1129 passive connection openings
457 failed connection attempts
165 connection resets received
7 connections established
1062519 segments received
771394 segments send out
7158 segments retransmited
6 bad segments received.
2578 resets sent
Udp:
20846 packets received
1730 packets to unknown port received.
0 packet receive errors
19242 packets sent
UdpLite:
TcpExt:
71 invalid SYN cookies received
8 resets received for embryonic SYN_RECV sockets
142 packets pruned from receive queue because of socket buffer overrun
2109 TCP sockets finished time wait in fast timer
84 packets rejects in established connections because of timestamp
19454 delayed acks sent
6 delayed acks further delayed because of locked socket
Quick ack mode was activated 7306 times
1 packets directly queued to recvmsg prequeue.
1 bytes directly received in process context from prequeue
823921 packet headers predicted
24412 acknowledgments not containing data payload received
10150 predicted acknowledgments
242 times recovered from packet loss by selective acknowledgements
33 congestion windows recovered without slow start by DSACK
335 congestion windows recovered without slow start after partial ack
336 TCP data loss events
TCPLostRetransmit: 35
1 timeouts after reno fast retransmit
156 timeouts after SACK recovery
116 timeouts in loss state
461 fast retransmits
5 forward retransmits
608 retransmits in slow start
2073 other TCP timeouts
62 SACK retransmits failed
43074 packets collapsed in receive queue due to low socket buffer
8499 DSACKs sent for old packets
101 DSACKs sent for out of order packets
308 DSACKs received
9 DSACKs for out of order packets received
427 connections reset due to unexpected data
122 connections reset due to early user close
28 connections aborted due to timeout
TCPDSACKIgnoredOld: 3
TCPDSACKIgnoredNoUndo: 60
TCPSpuriousRTOs: 4
TCPSackShifted: 282
TCPSackMerged: 740
TCPSackShiftFallback: 1017
IpExt:
InMcastPkts: 47
OutMcastPkts: 51
InBcastPkts: 1
InOctets: 1341508973
OutOctets: 72525352
InMcastOctets: 8649
OutMcastOctets: 7519
InBcastOctets: 328

查看 netstat 命令教程獲取更多信息。

ip / ifconfig 命令 : 配置或者顯示網絡端口信息

鍵入以下命令:

# ifconfig

或者

# /sbin/ifconfig

或者

# ifconfig eth0

eth0 Link encap:Ethernet HWaddr b8:ac:6f:65:31:e5

inet addr:192.168.1.5  Bcast:192.168.1.255  Mask:255.255.255.0
inet6 addr: fe80::baac:6fff:fe65:31e5/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:966334 errors:0 dropped:0 overruns:0 frame:0
TX packets:703297 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1186255648 (1.1 GiB)  TX bytes:73968238 (70.5 MiB)
Interrupt:17

lo Link encap:Local Loopback

inet addr:127.0.0.1  Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING  MTU:16436  Metric:1
RX packets:9666 errors:0 dropped:0 overruns:0 frame:0
TX packets:9666 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1399578 (1.3 MiB)  TX bytes:1399578 (1.3 MiB)

ppp0 Link encap:Point-to-Point Protocol

inet addr:10.1.11.70  P-t-P:10.0.31.18  Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1496  Metric:1
RX packets:3784 errors:0 dropped:0 overruns:0 frame:0
TX packets:4177 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:2400265 (2.2 MiB)  TX bytes:275983 (269.5 KiB)</pre> <p>顯示網絡端口統計信息，輸入： </p>

# ip -s link

輸出樣例:

1: lo:  mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
RX: bytes  packets  errors  dropped overrun mcast
1444187    9960     0       0       0       0
TX: bytes  packets  errors  dropped carrier collsns
1444187    9960     0       0       0       0
2: eth0:  mtu 1500 qdisc mq state UP qlen 1000
link/ether b8:ac:6f:65:31:e5 brd ff:ff:ff:ff:ff:ff
RX: bytes  packets  errors  dropped overrun mcast
1221956483 991501   0       0       0       24
TX: bytes  packets  errors  dropped carrier collsns
75623937   720272   0       0       0       0
3: wlan0:  mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:21:6a:ca:9b:10 brd ff:ff:ff:ff:ff:ff
RX: bytes  packets  errors  dropped overrun mcast
0          0        0       0       0       0
TX: bytes  packets  errors  dropped carrier collsns
0          0        0       0       0       0
4: pan0:  mtu 1500 qdisc noop state DOWN
link/ether 4a:c7:5f:0e:8e:d8 brd ff:ff:ff:ff:ff:ff
RX: bytes  packets  errors  dropped overrun mcast
0          0        0       0       0       0
TX: bytes  packets  errors  dropped carrier collsns
0          0        0       0       0       0
8: ppp0:  mtu 1496 qdisc pfifo_fast state UNKNOWN qlen 3
link/ppp
RX: bytes  packets  errors  dropped overrun mcast
2419881    3848     0       0       0       0
TX: bytes  packets  errors  dropped carrier collsns
284151     4287     0       0       0       0

sar 命令: 顯示網絡統計信息

輸入以下命令 (你需要通過sysstat包安裝并啟用sar):

sar -n DEV

Linux 2.6.32-220.2.1.el6.x86_64 (www.cyberciti.biz)    Tuesday 13 March 2012   _x86_64_        (2 CPU)
12:00:01  CDT     IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s
12:10:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12:10:01  CDT      eth0    127.13    121.32     95.45     18.34      0.00      0.00      0.00
12:10:01  CDT      eth1     98.48    110.62     16.72     96.33      0.00      0.00      0.00
12:20:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12:20:01  CDT      eth0    139.95    133.41    106.30     19.95      0.00      0.00      0.00
12:20:01  CDT      eth1    110.65    121.85     18.14    107.13      0.00      0.00      0.00
12:30:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12:30:01  CDT      eth0    147.85    132.49    115.78     20.45      0.00      0.00      0.00
12:30:01  CDT      eth1    111.88    127.39     18.61    117.65      0.00      0.00      0.00
12:40:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12:40:01  CDT      eth0    136.75    124.64    105.24     19.48      0.00      0.00      0.00
12:40:01  CDT      eth1    101.65    115.32     17.58    104.50      0.00      0.00      0.00
12:50:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12:50:01  CDT      eth0    131.45    125.69     96.49     19.58      0.00      0.00      0.00
12:50:01  CDT      eth1    101.41    111.31     17.54     96.78      0.00      0.00      0.00
01:00:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:00:01  CDT      eth0    140.30    133.27    102.17     20.75      0.00      0.00      0.00
01:00:01  CDT      eth1    106.90    119.51     18.53    103.09      0.00      0.00      0.00
01:10:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:10:01  CDT      eth0    152.03    127.74    125.56     19.85      0.00      0.00      0.00
01:10:01  CDT      eth1    115.60    134.57     18.73    126.96      0.00      0.00      0.00
01:20:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:20:01  CDT      eth0    138.55    130.55    103.03     20.20      0.00      0.00      0.00
....
..
....
..
.
01:00:01  CDT      eth1    156.82    169.48     28.83    138.49      0.00      0.00      0.00
01:10:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:10:01  CDT      eth0    215.19    194.82    163.11     30.99      0.00      0.00      0.00
01:10:01  CDT      eth1    162.49    183.79     28.36    163.70      0.00      0.00      0.00
01:20:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:20:01  CDT      eth0    200.20    192.23    140.64     30.93      0.00      0.00      0.00
01:20:01  CDT      eth1    153.60    166.96     27.32    140.26      0.00      0.00      0.00
01:30:01  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:30:01  CDT      eth0    111.98    103.58     79.12     16.52      0.00      0.00      0.48
01:30:01  CDT      eth1     87.50     95.58     14.74     79.35      0.00      0.00      0.00
Average:        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s
Average:           lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:         eth0    211.21    196.20    156.18     31.20      0.00      0.00      0.01
Average:         eth1    159.10    174.52     28.00    149.95      0.00      0.00      0.00

或者輸入以下命令:

# sar -n DEV 1 3

輸出樣例:

Linux 2.6.32-220.2.1.el6.x86_64 (www.cyberciti.biz)    Tuesday 13 March 2012   _x86_64_        (2 CPU)
01:44:03  CDT     IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s
01:44:04  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:44:04  CDT      eth0    161.70    154.26    105.20     26.63      0.00      0.00      0.00
01:44:04  CDT      eth1    145.74    142.55     25.11    144.94      0.00      0.00      0.00
01:44:04  CDT     IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s
01:44:05  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:44:05  CDT      eth0    162.14    156.31    107.46     42.18      0.00      0.00      0.00
01:44:05  CDT      eth1    135.92    138.83     39.38    104.92      0.00      0.00      0.00
01:44:05  CDT     IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s
01:44:06  CDT        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
01:44:06  CDT      eth0    303.92    293.14    272.91     37.40      0.00      0.00      0.00
01:44:06  CDT      eth1    252.94    290.20     34.87    263.50      0.00      0.00      0.00
Average:        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s
Average:           lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:         eth0    210.37    202.34    163.19     35.66      0.00      0.00      0.00
Average:         eth1    178.93    191.64     33.36    171.60      0.00      0.00      0.00

via: http://www.cyberciti.biz/faq/network-statistics-tools-rhel-centos-debian-linux/

作者：nixCraft 譯者：ictlyh 校對：wxy

本文由 LCTT 原創翻譯，Linux中國榮譽推出

來源： https://linux.cn/article-5578-1.html

本文由用戶 b2f5 自行上傳分享，僅供網友學習交流。所有權歸原作者，若您的權利被侵害，請聯系管理員。

轉載本站原創文章，請注明出處，并保留原始鏈接、圖片水印。

本站是一個以用戶分享為主的開源技術平臺，歡迎各類分享！

本文地址：http://www.baiduhome.net/lib/view/open1433772417661.html

Linux

Linux網絡統計工具/命令

nstat 命令 : 網絡統計工具

ss 命令 : 查詢套接字工具

相關經驗

相關資訊

相關文檔

目錄