Re: how to check link under Linux

[Steve Berg <sberg@xxxxxxxxxxxxxxx>]

On 12/04/2009 02:34 PM, Tudod Ki wrote:

as we can do a check on e.g.: routerOS:

interface ethernet monitor ether1
                 status: link-ok
       auto-negotiation: done
                   rate: 100Mbps
            full-duplex: yes
  default-cable-setting: standard

how could I check that is there a link under "Linux"? [to get info about the cable - is it plugged in or not?]

ethtool eth0
       or
ethtool eth1

Depending on the device name for your NIC.  Last line of the output says if a link is detected or not.

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