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Question: Network monitoring with vnStat (lemmy.ml)
submitted 8 months ago* (last edited 8 months ago) by tarius@lemmy.ml to c/linux@lemmy.ml
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I am using vnStat to monitor network bandwidth on a Debian host that has several Docker containers. Because of the containers, there are several interfaces in addition to eth0.

My question is, should I just monitor eth0 instead of looking at all the bridge and virtual interfaces to get the actual usage because at the end of the day, everything goes through eth0? Or am I looking at this wrong?

Sample output:

                      rx      /      tx      /     total    /   estimated
 br-1ee235bc0b60:
       2024-03     13.56 MiB  /   97.42 MiB  /  110.98 MiB  /  391.02 GiB
         today     13.56 MiB  /   97.42 MiB  /  110.98 MiB  /  112.54 MiB

 br-2ce98d77a35a:
       2024-03           0 B  /         0 B  /         0 B  /     --
         today           0 B  /         0 B  /         0 B  /     --

 docker0:
       2024-03           0 B  /         0 B  /         0 B  /     --
         today           0 B  /         0 B  /         0 B  /     --

 eth0:
       2024-03     98.03 MiB  /   15.04 MiB  /  113.07 MiB  /  398.37 GiB
         today     98.03 MiB  /   15.04 MiB  /  113.07 MiB  /  114.66 MiB
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[-] Shadow@lemmy.ca 5 points 8 months ago

Yes, just look at eth0. You might like the iptraf tool too.

this post was submitted on 03 Mar 2024
13 points (88.2% liked)

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