VCID modeling problem
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As per networkapi specs the maximum allowed vcid number should be 4294967295(2^32-1) rather then present maximum number which is 32767.
The current maximum value for a VCID is 32767 is because it models after the PositiveSmallIntegerField. If I changed it to PositiveIntegerField, the maximum value would become 2147483647 or 2^31 - 1, but not 2^32 - 1 as mentioned above. If we want it to go over 2^31 - 1, then BigIntegerField might suffice though it doesn't put any constraint on negative numbers as it's also capped at 2^63 - 1, which I don't think we would want to have.
Any idea @marcoceppi, @edaniszewski?
We should do negative number validation at the controller level and see if we can set a maximum integer size at the database column level.
Either that or just have the controller validate via maximum virtual circuit size