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LInux and NIC spped

Posted on 2014-11-15
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Last Modified: 2014-11-15
I performed the following on my Red Hat 6.5

ethtool eth0
Settings for eth0:
        Supported ports: [ Backplane ]
        Supported link modes:   10000baseKR/Full
        Supported pause frame use: Symmetric
        Supports auto-negotiation: Yes
        Advertised link modes:  10000baseKR/Full
        Advertised pause frame use: Symmetric
        Advertised auto-negotiation: Yes
        Speed: 10000Mb/s
        Duplex: Full
        Port: Other
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: on
        Supports Wake-on: g
        Wake-on: g
        Current message level: 0x00002000 (8192)
                               hw
        Link detected: yes
[root@x240perf2 proc]#
[root@x240perf2 proc]# dmesg | grep -i duplex
[root@x240perf2 proc]#
[root@x240perf2 proc]# dmesg | grep -i full
mpt2sas0: Protocol=(Initiator), Capabilities=(Raid,TLR,EEDP,Snapshot Buffer,Diag Trace Buffer,Task Set Full,NCQ)
[root@x240perf2 proc]#

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I assume that this means my NIC speed is 10 GB, full duplex

Is this correct ?

Thanks
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Question by:Anthony Lucia
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John Hurst earned 2000 total points
ID: 40444531
It would appear so. 10,000 baseKB is 10 GB, and duplex is full (very normal today).

You likely will not get that much real speed (depends on outside influences), but it appears the machine is capable of it.
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by:John Hurst
ID: 40444657
Thanks and I was happy to help,
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