Hello OVS experts, I'm new to OVS and trying to understand a few things...
1. When packet comes in, there is a lookup for outer-IP/L4 in vport-gre.c (for GRE overlay). Then GRE key is matched. Finally, at some point later, there is a look up for inner IP/L4 before inner IP/L4/payload is sent to "action" port. Is that correct? If yes, why do we need multi stage lookup policies? Isn't that inefficient...any issues in combining them into a single wider lookup? 2. When OVS terminates outer-IP/overlay header etc, the inner-IP+payload is sent to hypervisor...how does the hypervisor associate this packet to a particular Virtual-Machine instance. Does OF controller select a different "action" port for each VM? Thanks for your thoughts... Marty
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