On Thu, Jan 1, 2015 at 1:22 AM, David Lang [off-list ref] wrote:

there are things that you can do with "ip" that you can't do with
"ifconfig", but they tend to be rather esoteric things (hundreds of IP
addresses on "eth0" without using eth0:1, eth0:2, etc as one example)

The trouble is that doing simple things is harder with "ip" than "ifconfig"

Jan did a nice overview:
http://inai.de/2008/02/19

-- 
Thanks,
//richard