On Wed, Sep 17, 2003 at 05:27:31PM -0500, Lee Chin wrote: > Hi, > I have an IP address I want to connect to. How can I tell what NIC Linux will use to make that connection on? Whichever NIC the routing-table indicates as suitable. In general, and assuming that you have no "special" routing rules, if you want to connect (i.e. transmit a packet) to "ip_addr", interfaces for which the following property holds: nic_ip_addr & nic_mask == ip_addr & nic_mask will be considered suitable. Of these, the one which has the most "restrictive" mask (mask with most "1"s in it) will be used. /npat -- After they make styrofoam, what do they ship it in? -- Stephen Wright - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
