And NO: i don't ask about virtual IP. I need 2 different devices lo1 and lo2 to define different mtu and qdisc on them. Thanks.
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1Do you really need a **loopback** device, or do you just need a spare virtual interface? Perhaps you a **dummy** interface will work? – Zoredache Feb 05 '15 at 01:42
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Or better yet, a veth pair. – Michael Hampton Feb 05 '15 at 03:18
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What are you trying to accomplish? I have qos on a machine with several uplinks and did not need such a thing. – Dan Feb 05 '15 at 07:27