Many server folks I work with use the term Trunk to refer to what Cisco calls Port Channelling. If you can setup a trunk on your teamed-NICs and setup a port Channel on the corresponding switch ports. Note that the Port Channel must be setup on a single switch (multiple ports -- same switch). First attempt this in a test environment.

Command Example:

Prior to setting ports in a channel group make sure they exist in the same VLAN, and all other settings match (speed, duplex, other optional settings, ...)

set port channel 2/1-2 mode on

This assumes ports 2/1 and 2/2 are your teamed NICs switch ports

(( other options available))