Why Does 'ifconfig' Command Output The Message "ifconfig is obsolete! For replacement check ip"?
(Doc ID 2009420.1)
Last updated on AUGUST 04, 2018
Applies to:Linux OS - Version Oracle Linux 5.11 with Unbreakable Enterprise Kernel [2.6.39] and later
Information in this document applies to any platform.
Why does using ifconfig display:
Ifconfig uses the ioctl access method to get the full address information, which limits hardware addresses to 8 bytes.
Because Infiniband address has 20 bytes, only the first 8 bytes are displayed correctly.
Ifconfig is obsolete! For replacement check ip.
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