I came here searching for exactly the same need and the same hardware! I read that you can achieve redundancy and traffic aggregation using bonding mode 6 (Balance ALB)
https://www.ibm.com/support/knowledgece ... modes.html
This setup is said to work with two "dumb switches". What is unclear for me is the behavior when one switch or link fails: Timeout / recovery of active IP session, does the switches have to be linked together or not, etc. Every websites that i found on this topic didn't provide enough behavior details nor practical examples...
My use case if for a GlusterFS cluster storing KVM Virtual Machines images. Does anybody came up with a working setup? If not, i'll configure a test bench for this in my lab.