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Why Does 'ifconfig' Command Output The Message "ifconfig is obsolete!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.
Linux x86-64
Linux x86

Symptoms


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Ifconfig is obsolete!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.

Cause

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In this Document
Symptoms
Cause
Solution


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