Question

4

How to get total amount of TX and RX

rated 0 times [ 4] [ 0] / answers: 1 / hits: 1333 / 2 Years ago, fri, august 26, 2022, 2:44:39

I want to get total amount of TX and RX to know the amount of data the server is receiving or transmitting at a moment.

With this command ip -s link I get this result

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    RX: bytes  packets  errors  dropped overrun mcast   

    21914963679042 3114955121 0       0       0       0       

    TX: bytes  packets  errors  dropped carrier collsns 

    21914963679042 3114955121 0       0       0       0       

2: enp3s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000

    link/ether d4:5d:64:40:53:ca brd ff:ff:ff:ff:ff:ff

    RX: bytes  packets  errors  dropped overrun mcast   

    251928745868 1094612700 0       0       0       5914052 

    TX: bytes  packets  errors  dropped carrier collsns 

    1091337709507 1328468566 0       0       0       0       

3: enp3s0f1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000

    link/ether d4:5d:64:40:53:cb 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

As far as I know, lo is local. So must be ignored. But I need to get the sum of TX an RX of remaining interfaces. How can it be done?

Thanks.

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atelti

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answered 2 Years ago curatekill · Accepted Answer

I don't know if you need the ifupdown package installed, but you can install iftop to give you a live network view for current rates and stuff. It does cover internet as well as local connections happening.

sudo apt install iftop

You should run it with sudo

Example:

sudo iftop



                12.5Kb          25.0Kb          37.5Kb          50.0Kb    62.5Kb

└───────────────┴───────────────┴───────────────┴───────────────┴───────────────

intrepid.home              => Linksys04002.home             0b      0b      0b

                           <=                               0b    424b    424b

239.255.255.250            => 169.254.7.236                 0b      0b      0b

                           <=                            1.85Kb   379b     95b

239.255.255.250            => 10.0.0.148                    0b      0b      0b

                           <=                            1.85Kb   379b     95b

224.0.0.251                => 10.0.0.172                    0b      0b      0b

                           <=                               0b    339b    498b

224.0.0.251                => 10.0.0.233                    0b      0b      0b

                           <=                               0b    322b    596b

255.255.255.255            => TY_WR.home                    0b      0b      0b

                           <=                             800b    320b    320b

224.0.0.251                => Chromecast.home               0b      0b      0b

                           <=                               0b    314b    392b

10.0.0.255                 => DESKTOP-DQO2D3U.home          0b      0b      0b

                           <=                               0b    275b    393b

intrepid.home              => 10.0.0.130                    0b      0b      0b

                           <=                               0b    257b    257b

────────────────────────────────────────────────────────────────────────────────

TX:             cum:   19.4KB   peak:    904b   rates:      0b    260b    281b

RX:                    74.8KB           18.8Kb           4.48Kb  3.96Kb  4.34Kb

TOTAL:                 94.2KB           19.7Kb           4.48Kb  4.22Kb  4.61Kb

Or you can show only a specific interface like bond0

sudo iftop -i bond0



                12.5Kb          25.0Kb          37.5Kb          50.0Kb    62.5Kb

└───────────────┴───────────────┴───────────────┴───────────────┴───────────────

intrepid.home              => terrance-ubuntu.home       6.91Kb  6.05Kb  5.40Kb

                           <=                            2.23Kb  1.84Kb  1.87Kb

239.255.255.250            => Linksys04002.home             0b      0b      0b

                           <=                               0b   1.62Kb   828b

224.0.0.251                => 10.0.0.172                    0b      0b      0b

                           <=                               0b   1.02Kb   781b

224.0.0.251                => Chromecast.home               0b      0b      0b

                           <=                               0b    953b    555b

intrepid.home              => 10.0.0.148                    0b      0b      0b

                           <=                               0b    668b    668b

224.0.0.251                => 10.0.0.233                    0b      0b      0b

                           <=                               0b    645b    484b

10.0.0.255                 => DESKTOP-DQO2D3U.home          0b      0b      0b

                           <=                             976b    470b    442b

intrepid.home              => Linksys04002.home             0b      0b      0b

                           <=                               0b    424b    424b

intrepid.home              => Chromecast.home               0b      0b      0b

                           <=                               0b    395b    395b

────────────────────────────────────────────────────────────────────────────────

TX:             cum:   70.5KB   peak:   7.67Kb  rates:   6.91Kb  6.34Kb  5.97Kb

RX:                    93.0KB           26.8Kb           3.97Kb  10.4Kb  9.20Kb

To get the interface that is communicating with the internet it is the one that has the default gateway filled in. You can run netstat -rn to show all of the network(s) on that system. Below we can see that my gateway of 10.0.0.1 is on the bond0 interface.

terrance@Intrepid:~$ netstat -rn

Kernel IP routing table

Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface

0.0.0.0         10.0.0.1        0.0.0.0         UG        0 0          0 bond0

10.0.0.0        0.0.0.0         255.255.255.0   U         0 0          0 bond0

10.8.0.0        0.0.0.0         255.255.255.0   U         0 0          0 tun0

169.254.0.0     0.0.0.0         255.255.0.0     U         0 0          0 bond0

Or ip route (thanks Doug :) ) will show the same gateway info:

terrance@Intrepid:~$ ip route

default via 10.0.0.1 dev bond0 onlink 

10.0.0.0/24 dev bond0 proto kernel scope link src 10.0.0.220 

10.8.0.0/24 dev tun0 proto kernel scope link src 10.8.0.1 

169.254.0.0/16 dev bond0 scope link metric 1000

Adding in a screenshot here showing that it has bars on it to show which application(s) and which TX or RX is higher or lower.

You exit iftop by pressing either q or Ctrl+C on the keyboard.