Re: Networks and wireless etc

What Alun mean is if you have 2 IPs going to the same network ( your example
have different :) ) the one with less metric route for NIC with be chosen
Arkady

"Eugene Gershnik" <gershnik@xxxxxxxxxxx> wrote in message
news:OVg$0N3eFHA.3280@xxxxxxxxxxxxxxxxxxxxxxx
> Alun Jones [MSFT] wrote:
>> "Eugene Gershnik" <gershnik@xxxxxxxxxxx> wrote in message
>> news:etrta3CeFHA.2688@xxxxxxxxxxxxxxxxxxxxxxx
>>> Simon Jefferies wrote:
>>>> Hello,
>>>>
>>>> Please can you tell me if I'm doing this right or not?
>>>>
>>>> I'm trying to get winsock to use the relevant network adapter to
>>>> connect to an IP address. I have enumerated the list of devices and
>>>> have e.g. network card, wireless network and loopback (using the
>>>> GetAdaptersAddresses() WIN32 function). Do I simply use the SOCKADDR
>>>> structure?
>>>
>>> bind() to a sepcific local address before connecting.
>>
>> Binding will not directly affect which NIC is chosen to route outgoing
>> traffic.
>>
>> Changing the information in the routing table will do that. Binding
>> is only an association between an IP network interface and a socket;
>> while that IP network interface is associated with a NIC, the NIC
>> that is chosen to send a packet out on depends on the _destination_
>> of that packet.
>
> So what interface is SYN-ACK going to come from? That is are you saying
> that I can bind to 127.0.0.1 and have packets delivered to me that arrived
> on 192.168.2.1? The way I see it you need *both* to bind correctly and
> have a workable routing table.
>
>
> --
> Eugene
> http://www.gershnik.com
>
>
>
>


.

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