shay writes:
> How do I configure IPMP that is : 
> Link-based, active-active ,two nics(e.g bge0\1), one IP AND load spreading 
> which means that both nics(bge0\1) should spread the load of the traffic(load 
> balancing)?

You don't.  Load balancing inbound traffic with IPMP requires the use
of multiple IP addresses.  You can't do it with just one IP address.

For outbound traffic, we'll do load balancing on a per-destination
address basis.  This means that for each remote IP address, we pick a
single output link to use.

If you need finer granularity, then you'll need either 802.3ad or need
to wait for better Solaris kernel support for ECMP-like behavior.  (Or
implement the changes yourself ...)

shay writes:
> >To expand on what Jim said: for inbound load spreading, you need multiple
> >local IP addresses. For outbound load spreading, you need to connect to
> >different IP addresses (for now; IP Datapath Refactoring will likely allow
> >us to do outbound load-spreading on a per-connection basis).
> 
> How do I check if the [b]inbound[/b] load spreading is working properly?

There are probably multiple ways to do this.  One is to use "netstat
-ni" to see that you've got non-trivial amounts of traffic on both
links.  Another would be to snoop each link to see what unicast
traffic appears there.

> How do I check if the [b]outbound[/b] load spreading is working properly?

The same methods should work for that.

-- 
James Carlson, Solaris Networking              <[EMAIL PROTECTED]>
Sun Microsystems / 35 Network Drive        71.232W   Vox +1 781 442 2084
MS UBUR02-212 / Burlington MA 01803-2757   42.496N   Fax +1 781 442 1677
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