====== iftop コマンド ======

===== インストール =====
<WRAP prewrap 100%>
<code>
# opkg update && opkg install iftop
</code>
</WRAP>
<WRAP prewrap 100% #result_long>
<code>
Downloading https://fw.gl-inet.com/releases/kmod-3.3/ar71xx/nand/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_core
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/sync_kmod-3.3/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_sync
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/base/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_base
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/gli_pub/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_gli_pub
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/packages/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_packages
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/luci/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_luci
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/routing/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_routing
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/telephony/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_telephony
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/glinet/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_glinet
Installing iftop (2017-03-22-949ed0f7-1) to root...
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/base/iftop_2017-03-22-949ed0f7-1_mips_24kc.ipk
Installing libpcap (1.8.1-1) to root...
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/base/libpcap_1.8.1-1_mips_24kc.ipk
Installing terminfo (6.1-1) to root...
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/base/terminfo_6.1-1_mips_24kc.ipk
Installing libncurses (6.1-1) to root...
Downloading https://fw.gl-inet.com/releases/packages-3.x/ar71xx/base/libncurses_6.1-1_mips_24kc.ipk
Configuring terminfo.
Configuring libncurses.
Configuring libpcap.
Configuring iftop.
</code>
</WRAP>

===== 実行例 =====
<WRAP prewrap 100%>
<code>
# iftop -n
</code>
</WRAP>
<WRAP prewrap 100% #result>
<code>
                195Kb           391Kb            586Kb           781Kb       977Kb
└───────────────┴───────────────┴────────────────┴───────────────┴────────────────
192.168.1.254               => 192.168.1.80                   0b      0b      0b
                            <=                             88.4Kb  65.5Kb  65.3Kb
172.217.174.195             => 192.168.1.80                   0b      0b      0b
                            <=                                0b    344b    115b
239.255.255.250             => 192.168.1.80                   0b      0b      0b
                            <=                                0b    161b    214b
172.217.24.67               => 192.168.1.80                   0b      0b      0b
                            <=                                0b     74b     37b
157.240.199.17              => 192.168.1.80                   0b      0b      0b
                            <=                                0b     37b     63b
172.217.31.227              => 192.168.1.80                   0b      0b      0b
                            <=                                0b     37b     12b
64.233.189.188              => 192.168.1.80                   0b      0b      0b
                            <=                                0b     37b     12b
23.45.50.169                => 192.168.1.80                   0b      0b      0b
                            <=                                0b      0b    275b
104.244.42.2                => 192.168.1.80                   0b      0b      0b
                            <=                                0b      0b    121b
23.207.173.150              => 192.168.1.80                   0b      0b      0b
                            <=                                0b      0b    106b
──────────────────────────────────────────────────────────────────────────────────
TX:             cum:      0B    peak:      0b     rates:      0b      0b      0b
RX:                     250KB           96.6Kb             88.4Kb  66.2Kb  66.5Kb
TOTAL:                  250KB           96.6Kb             88.4Kb  66.2Kb  66.5Kb
</code>
</WRAP>

===== 参考文献 =====
[[linux:network_bandwidth_usage_monitoring_tools|Linux ネットワーク 帯域幅使用状況監視ツール]]\\