IP aliasing

[Ravi Kumar Munnangi <munnangi_ivar@xxxxxxxxx>]

I want to give more than one IP addresses to my NIC.
For this we have to enable the feature of IP alias
when configuring the kernel and recompile it.
Is there any way to check if the option is already
checked or not?
My next question is,
  After reconfiguring and recompiling, how can I give
IP addresses(aliases) to NIC?
  please tell me the commands to be used.

  Ravi kumar

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