07-23-2014
All right -- so 192.168.1.100 doesn't answer ping. But it does appear in the ARP table! Correctly even, a different MAC than the internal interface.
So the traffic is getting switched -- but some smart engineer put in a check for dummies wiring router to itself. The router is wagging its finger at me going "tut tut tut, can't do that" and doing the right thing, dropping silly requests.
Obviously implementation-dependent. I'll try a d-link i I can dig one up...
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