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I have a physical server with 6 interfaces: eno1, eno2, eno3, eno4, eno49, and eno50. The eno49 and eno50 are up and when I check their capacity for example with ethtool eno49 or from cat /sys/class/net/eno49/speed, they show that there are 10G up. But I want to know the capacity of other interfaces which are down. To check that I assign them an IP address like 172.29.1.11 with ifconfig eno1 172.29.1.11 and then use cat /sys/class/net/eno1/speed and the result is -1. I don't know what is does it mean. If I want to check whether the interface capacity is 1g, how can I do it?

mona moghadampanah
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1 Answers1

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Hi

I do greatly appreciate your turn here.

If I want to check whether the interface capacity is 1g, how can I do it?

So you could achieve interface capacity result via below command:

dmesg | grep eno1

OR

ethtool eno1

It's work like charm, Have great day future friend.

Gam3One
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  • I had just provided best possible answer according to your question , i hope you get it work with above command , i think so you could work around `eno1` uplink , ping me via this communication method here if you need any future tips ... – Gam3One Jan 10 '23 at 13:01
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