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What is difference between ifconfig and ifup?

+8 votes
355 views

I and testing command line to up and down ethernet connection.

if I perform following, client can not re-connect.
ifconfig eth0 down
ifconfig eth0 up

if I use following, client can re-connect:
ifconfig eth0 down
ifup eth0

What difference between "ifconfig up" and "ifup"?

posted Feb 3, 2014 by Luv Kumar

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1 Answer

+2 votes

ifup/ifdown read your sysconfig/network-scripts/ifcfg-eth# config while ifconfig does not.

answer Feb 3, 2014 by Majula Joshi
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