I can't believe I'm saying this, but maybe this is a job for NWAM
profiles?

DTrace along with MDB can help you debug your NIC driver problems. 
I wish I could just say what you need to probe.. :-) 
You might also try different ACPI modes if it seems to be an interrupt
problem.

Mike


On Sat, 2012-10-20 at 18:22 +0400, Jim Klimov wrote:

> I really wonder how DTrace can help here - what should I track? ;)
> 
> 2012-10-20 18:07, Michael Stapleton wrote:
> > IPMP does not have to be configured with test addresses. IPMP will uses
> > "Link based" by default if your NIC drivers support link state
> > notification.
> > The documentation really needs work... I think the documentation shows
> > examples of "Probe based" because it is much more difficult to configure
> > than "Link based".
> > Simply add the interfaces to the same IPMP group. Done..
> 
> Yes, thanks. Today I stumbled upon this nice post about "simple
> IPMP setup" without active probing, might help me. I wonder why
> these are not wrapped in dladm management ;)
> 
> http://cooperlees.com/blog/?p=328
> 
> And these are examples of "complicated setup" with active probing
> which I was reluctant to do, from Joerg Moellenkamp's excellent
> posts:
> 
> http://www.c0t0d0s0.org/archives/6298-Less-known-Solaris-features-IP-Multipathing-Part-6-New-IPMP.html
> http://www.c0t0d0s0.org/archives/6300-Less-known-Solaris-features-IP-Multipathing-Part-8-Classic-IPMP.html
> 
> 
> > But, IPMP is really about uptime, not band width. If you want to use
> > multiple interfaces, they all need IP addresses. They just do not have
> > to have "Test" addresses.
> >
> > To use Aggregations, your switch and device drivers must support it.
> > I think your NIC drivers have to be GLDv3 compliant.
> 
> In fact, as per my original post, I don't exactly need IPMP nor
> LACP for my case. My laptop has a single wired NIC which can be
> represented by different drivers, one at a time. I want to make
> switching between these simple and transparent to other network
> configs on the system (vnics, zones and such).
> 
> I plan to try "simple IPMP" and/or vanity naming (i.e. try to
> name all of the possible NIC names "net0") and see if that works
> later this weekend.
> 
> At the moment I still wonder if any of these work while a device
> is absent altogether (i.e. when the dual-booted OI is on physical
> hardware, it has rge or gani but no e1000g; when it's booted as
> a VM, it has e1000g but no rge/gani). I am now concerned that aggr
> does not seem to work at all if a component device is missing -
> this does seem like a bad bug in architecture or implementation.
> 
> Thanks,
> //Jim Klimov
> 
> 
> 
> 
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