Paul Jakma wrote: > On Wed, 17 Oct 2007, Bill Sommerfeld wrote: > >> one implication of this is that, when this is in use, the NIC cannot be >> part of a L2 aggregation (because the upstream switch will load-spread >> some of the management traffic flows to other ports in the aggregation). >> >> And using it with other L2/L3 redundancy technologies (such as IPMP and >> OSPF-MP) is going to be tricky (the shared management IP address must >> not be seen as reachable via other NICs). > > IMLU: These don't preclude use of AMT in normal operation - the OS can > always redirect packets to AMT that didn't get hijacked. > > Does obviously preclude reliable Out-of-Band use of AMT. Indeed, I > really wonder how the LOM firmware can know whether or not it needs to > do ARP for a shared IP.
There is a private method by which the firmware decides whether the host OS is alive and healthy. If so, then the host does this work. If not, then the firmware takes over. -- Garrett > > regards,
