| To: | bhards@xxxxxxxxxxxxxx |
|---|---|
| Subject: | Re: [PATCH] IPv6: Allow Both IPv6 and IPv4 Sockets on the Same Port Number (IPV6_V6ONLY Support) |
| From: | "David S. Miller" <davem@xxxxxxxxxx> |
| Date: | Thu, 03 Oct 2002 01:58:42 -0700 (PDT) |
| Cc: | yoshfuji@xxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx, usagi@xxxxxxxxxxxxxx |
| In-reply-to: | <200210031855.12148.bhards@bigpond.net.au> |
| References: | <20021003.121350.119660876.yoshfuji@linux-ipv6.org> <20021003.012904.75241727.davem@redhat.com> <200210031855.12148.bhards@bigpond.net.au> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
From: Brad Hards <bhards@xxxxxxxxxxxxxx> Date: Thu, 3 Oct 2002 18:55:11 +1000 Assume B has two network interfaces (B1 and B2) on seperate IPv4 links (net1 and net2). Host A is on net1 and Host C is on net2. Assume that both Host A and Host C have the same autoconf address. So IP address is not enough information for Host B to use to determine which interface to use in order to contact Host A (instead of Host C). If host B has socket binding on IP+port+local interface, it all works out. You want SO_BINDTODEVICE, which we have. |
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