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Unexplained ratsnest on Import/Logic

mstamler , 01-19-2023, 07:56 AM
I have imported a netlist from Orcad to Allegro using the Import/Logic command and there are many nets that appear to be connected OK but I get a large number of ratsnets notifications about a net that is 'unplanned. Attached is a sample. The trace seems OK. When I redraw the trace the error goes away. Any ideas here?
robertferanec , 01-27-2023, 08:08 AM
I don't know what this means.
Abdullah Ansari , 02-22-2023, 02:46 AM
Go to constraint Manager----Electrical constraint set-----NET------Wiring------Topology----Schedule----and from drop down select Clear Rat nest schedule for that net.
Abdullah Ansari , 02-22-2023, 02:48 AM
May be in your DSN file designer have set the routing topology i.e RATNEST_SCHEDULE
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