Rick DeNatale wrote:
On 7/27/05, Michael Tharp <[EMAIL PROTECTED]> wrote:
You're entirely correct, but most hosts have one default route and one
interface that that route can take, and in this case it's assumed that
is the goal - to find which. If this were a multihomed router, routes
change often and packets may not always go out the same interface.
Here it is assumed that there are fixed, single routes out each
interface and an additional default route which picks one and only one
outbound interface.
Right, but because of the general case, I don't think that the socket
has any idea of being tied to a particular interface, unless somehow
it got bound to a particular interface with setsockoptions() and that
generally doesn't happen.
But a socket is tied to an ip address, and each interface has it's own
ip address.
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