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So, for example, if the server receives the SYN from router R3, it would send the SYN ACK and all subsequent packets for the TCP connection over that same interface R3. ...
right idea. works great. see the following:
http://www.academ.com/nanog/feb1997/multihoming.html http://www.irbs.net/internet/nanog/9706/0232.html http://gatekeeper.dec.com/pub/misc/vixie/ifdefault/
This approach is particularly useful for host with multiple IPv6 tunnels. Some tunnel providers implement strict RPF, some don't. Where this is the case, having multiple tunnels (cf multiple address ranges) is problematic. Of course these days perhaps perhaps the IPv4 variant could be done with a stateful NAT. Maybe case could be made for IPv6 NAT (and site-local addresses?) in this scnario... - -w - -- William Waites <ww@styx.org> http://www.irl.styx.org/ +49 30 8894 9942 CD70 0498 8AE4 36EA 1CD7 281C 427A 3F36 2130 E9F5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (Darwin) iEYEARECAAYFAkjSlsMACgkQQno/NiEw6fWEhACfcVGZ5qEbvESVCWxQibkm/jLp wKsAn1lQWcMO+fk5ZV5V08narSfoC/gF =tlbx -----END PGP SIGNATURE-----