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How will layers impact policy performance?

Question asked by orgada9e25bd0-7cc9-4e66-8884-8df60e563aad on Aug 27, 2016
Latest reply on Sep 5, 2016 by Limor Ganon

If a rule does not match a parent rule, will the gateway still go over the child rules in the layer?

 

I might be using wrong teminology, so ill explain using an example:

 

Source                                   Destination                                   Action

1. management_net               CP_Hosts                                    Mgmt_layer

     1.1 robert's pc                   HQ_XL                                        accept

     1.2 steven's pc                 R80_CMA                                    accept

     1.3 IT_Net                         R80_CMA                                    accept

     1.4 any                              any                                               deny

2.DC_Net                              DC_Net                                        DC_internal_layer

     2.2 SAP_Net                    SAP_Net                                      accept

     2.3 any                              any                                               deny

 

 

Lets say a packet that fits the layer in rule number 2 arrives at the gateway, will it still go over 1.1 & 1.2 & 1.3 and so on, or will it just skip the entire layer if it does not match the parent rule?

 

If it does skip the layer if it does not match the parent rule, how much of an imporvement in performance can we expect to see?

 

Thank you.

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