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Does CDRouter support devices with symmetric NAT implementations?

CDRouter currently does not distinguish between symmetric NAT and port-restricted NAT which are very similar. If the natMode testvar is set to port-restricted either implementation (port-restricted or symmetric) should pass the tests in the nat.tcl module that verify the different NAT types.

Symmetric NAT is generally considered not to be peer-to-peer friendly, and the P2P tests in the nat.tcl module may fail if the DUT implements symmetric NAT. The P2P tests can be skipped in this by setting the testvar natSupportsP2P to a value of no:

testvar natSupportsP2P no