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Setting the DiffServ rule:

  1. Choose IP Routing > IP DiffServ.
    2. The Accelar DiffServ Rule dialog box opens.
  2. In the DiffServRuleAndMask, type the value of rule which is applied to the 8-bit field and acts as a mask. This value must be an integer between 0 and 255.
    3. This value is used to protect or mask bits that may already be set.
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