James Carlson wrote:
> Peter Memishian writes:
>> As Jim said, POINTOPOINT is really a property of the medium. You can't
>> magically make an Ethernet interface POINTOPOINT by specifying multiple
>> addresses, you just end up making a big mess. It seems to me that the
>> syntax covered above is intended to allow POINTOPOINT interfaces to be
>> configured, not to make an interface POINTOPOINT.
>
> Exactly.
>
> Unfortunately, I don't think we can rip out this misbegotten swill too
> easily, as the open source PPP code depends on it. It'll require some
> careful testing.
What part depends on the kernel setting IFF_POINTOPOINT when it receives
a SIOCS{,L}IFADDR on a non-IFF_POINTOPOINT interface?
Looking at sppp source code it passes up a dl_info_ack which makes IP
set IFF_POINTOPOINT (A zero length phys address makes IP do this.)
Erik
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