====== MAC Hash Address Filtering ======

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|desc=Introduce MAC hash address Filtering.}}

===== Overview =====

===== Why Need Hash Filtering =====
It can be used to improve the __efficiency of searching MACs__ and to solve the problem of __insufficient MAC filter entries__. It's used more for __multicast filtering__. You can take a look at this [[https://www.cse.wustl.edu/~jain/papers/ftp/hash_iee.pdf|paper]] to get __performance analysis data__ and other stuff. 

====== Reference ======
  * //[[https://www.cse.wustl.edu/~jain/papers/ftp/hash_iee.pdf]]//