Hi Owen, The DSR address is indeed on a loopback in our case.
lo Link encap:Local Loopback inet6 addr: ::1/128 Scope:Host inet6 addr: xxxx:xxxx:x:xxxx::xx/128 Scope:Global The mystery continues... Leland On 12 Aug 2010, at 18:28, Owen DeLong wrote: > > On Aug 12, 2010, at 6:19 AM, Xavier Beaudouin wrote: > >> Hi Leland, >> >> Le 12 août 2010 à 15:11, Leland Vandervort a écrit : >> >>> OpenSolaris ILB is open solution ;) >>> >>> but yea, that's what we've started looking at -- hence LVM / HAProxy as >>> well.. (though LVM is IPv4 only, and HAProxy is NAT only for IPv6) >>> >>> does relayd support UDP as well as TCP or is it layer7 only like HAProxy ? >> >> It does everything... :) L2 -> L7... >> >>> In the case of ILB, I'm not convinced that it's a problem with the LB >>> itself, but rather the idiosyncrasies of ND in IPv6 that is causing the >>> problem.. but I may be wrong... at any rate, something's amiss ... >> >> Maybe on some setup you should desactivate ND... >> >> Xavier > > If you're putting the DSR address on an interface other than loopback, you > probably need to turn of DAD on the interface with the DSR address otherwise > DAD > will shut down that address on the interface when it sees other servers with > the same address. Sometimes it will shut down all but one, sometimes it will > shut down all. > > > Owen