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Monitor Aliased network interface bandwitch CentOS

Posted on 2016-09-10
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Last Modified: 2016-09-20
Hi Experts,

We are building an automated HAProxy + NGINX environment to host high load web campaigns.
One of the requirements is obviously to know how much traffic each campaign used during the running time.

My question is this, Assuming I use "Virtual" or "Aliased" network interfaces i.e:

ens160
ens160:1
ens160:2

and so forth and so forth, Can I somehow gather TX and RC statistics for each one?
if I try to grep that info from the ifcfg interface, I only get the information for the actual interface, not the virtual ones.
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Question by:David Sankovsky
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Expert Comment

by:arnold
ID: 41793058
Why look at network traffic, where summing data transferred from the web server/Proxy log will provide the differentiation you are looking for .
What you need to use is log crunchers that will reflect the amount of data transferred and if you need it in bndwidth,  some calculate/represent that...

The requests are of minimal size so your representation wou,d be outgoing bandwidth ......
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Author Comment

by:David Sankovsky
ID: 41799768
ok, Even asuuming I can do it using the Apache Logs (Or NGINX LOgs in this case)
My quesiton still stands.
How can I look at the Tx and Rx values of Aliased Network interfaces.
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Accepted Solution

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arnold earned 500 total points
ID: 41799813
you can poll the switch/device using snmp and cacti, mrtg, etc. can display in a graphical format.
You have to see whether your device provides for SNMP listing of the virtualized interface.
The same would apply on the server itself
snmpwalk localhost and see whether the network interfaces are listed there, then you would have to identify the OID that are of interest to you for each......
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Author Closing Comment

by:David Sankovsky
ID: 41808132
snmp and PRTG did it! Thanks a lot mate!
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