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Re: [MirageOS-devel] Manual assignment of mac address for tap interface

On 14 Aug 2014, at 14:44, Hwanju Kim <Hwanju.Kim@xxxxxxxxxxxx> wrote:

The set interface of Netif is straightforward. Regarding tuntap, however, I wonder what situation makes a tap device also need a specific mac address. I thought they act as a link to each mirage guest and the Netif of a guest is the one that reacts ARP requests. (in addition, multiple taps have different mac addresses already).

Manual control is useful for setting up development networks (as Massoud is doing for example).  But most importantly, it gives us a homogenous interface between Xen and Unix environments.  It would also help with deterministic test cases (if things like Mac, IP and ARP entries are all settable from the mirage frontend).


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