Hi all,

I've been "playing" with DLPI on a 11.11 box and need some assistance:

I want to add a multicast address to an ethernet (igelan) card, I've
attempted the following:

- DL_ATTACH_REQ
- DL_BIND_REQ (dl_sap = 0x8137, dl_service_mode = DL_HP_RAWDLS)
- DL_ENABMULTI_REQ

but it's not working. Using DL_HP_MULTICAST_LIST_REQ I do get the correct
list, though. I imagine the dl_sap is not correct, but what would be the
correct value?

You ask why would I ever want to do this? -Well, a production server lost it's
assigned multicast MAC address (don't what caused this) and this
solution would enable us to restore the service without restarting the
application (the IP layer is still correctly seeing its multicast group membership).

Thanks
jp

Juergen Pabel <google@pabel.net> wrote:
> You ask why would I ever want to do this? -Well, a production server
> lost it's assigned multicast MAC address (don't what caused this)

It might be worthwhile to try to figure-out why the multicast address
is being lost in the first place. It may relate to why you cannot get
it returned and working.

Any chance the NIC was reset? Perhaps a bug in the reset code. Any
chance the application issued some DLPI calls? (tusc could be useful
there)

rick jones
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