Dan Williams <[email protected]> wrote:
[...]
>So essentially the ehea device has a 1(+) external ports that may/may
>not be connected, but all lpars share the physical hardware itself,
>which is quite happy to let all the lpars talk to each other essentially
>via loopback even if there is no actual carrier detected on the external
>port(s)? [...]
Yes.
>[...] How does addressing work here, is it just L2 addresses?
Yes. The logical ports all have unique MAC addresses.
> [...] Feel
>free to point me to some docs and tell me to shut up :)
http://www.redbooks.ibm.com/redpieces/abstracts/redp4340.html
I found this via google; I haven't read it in detail, but it
seems to cover the HEA architecture at a high level. It talks about the
whole "IVE" (integrated virtual ethernet: the adapter, hypervisor, etc)
system, but HEA is part of that, so it's probably got the answers you're
looking for.
-J
---
-Jay Vosburgh, IBM Linux Technology Center, [email protected]
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