Re: Source IP selection

On Wed, Feb 15, 2023 at 04:45:19PM -0500, John Levine wrote:
> >how is the source IP address selected for an unbound socket, if there
> >are multiple addresses (ie. aliases) configured on the outgoing
> >interface? I am interested in particular in the UDP case, ie.
> >the sendto() syscall.
> >This is almost the question at the following link but ... not about
> >THAT kernel but FreeBSD.
> >
> >https://stackoverflow.com/questions/63955841/how-does-tcp-ip-select-a-source-ip-address
> 
> Same answer, use bind() if you want to bind to a specific address.

Let me ask a little more specifically then :)

May the kernel choose an address through which there's no route to
the destination?

-- 
Ian