Re: UDP Broadcast on machine with multiple NIC cards

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From: Phil Frisbie, Jr. (phil_at_hawksoft.com)
Date: 09/30/04 

Date: Thu, 30 Sep 2004 09:17:24 -0700

joe wrote:

> Hi,
>
> I need to send a broadcast to the private LAN in a workstation that has
> multiple NIC cards.
>
> When I send a UDP packet to INADDR_BROADCAST which is defined as
> "255.255.255.255", the packet is broadcast to all NIC's in the workstation.
>
> My question is - how do I restrict the broadcast to a specific Interface,
> yet still use 255.255.255.255 as the destination?

When you bind the UDP socket to an IP/port do you use INADDR_ANY or the actual
address for the interface? 

-- 
Phil Frisbie, Jr.
Hawk Software
http://www.hawksoft.com

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