using iptraf to monitor network traffic and bandwidth
iptraf is a console-based network monitoring application for Linux. It provides a display of current TCP/IP network traffic, including IP and MAC addresses, packet statistics, and other information.
yum install iptraf iptraf-ng
查看所有网卡流量
iptraf -g
或者
iptraf-ng -g
查看某网卡上各个端口流量
iptraf -s eth0
iptraf-ng 1.1.4
l Proto/Port q Pkts q Bytes q PktsTo qqqqqq BytesTo qqqqq PktsFrom qqqq BytesFrom qk
x UDP/68 4 1336 0 0258 4 85334 16 6064 242 79270
x UDP/67 4 258 85334 4 242 79270 0 160 6064
x UDP/546 1 57 7406 0 0 1 157 7406
x UDP/547 1 57 7406 1 57 7406 0 0
x UDP/53 4 140 16032 2 70 4604 2 70 398 11428
x TCP/80 1 512 80181599 1 274 80 41926 0 238 139673
x TCP/443 1 561 80311332 1 297 80 38195 0 264 273137
x UDP/137 2 308 24024 1 154 78 12012 78 154 12012
x UDP/123 1 4 76 304 1 2 76 152 0 2 152
x TCP/23 2 80 1 40 1 40
x TCP/445 2 6 92 272 1 3 52 152 40 3 12
按协议分类统计流量
iptraf -d eth0
查看远程主机端口
iptraf -i eth0
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