How Default Gateway should be configured ? What default gateway we should give in Router or Switch Networks?

Consider below two scenarios:


1) Bridged network

                          193.192.192.1               193.192.192.2                            193.192.192.3
                     
               PC1----------Switch------------------------DUT(acting as Bridge)------------------------------Router-----------Internet
                                 |
               PC2 -----------|




To reach Internet what gateway IP address should be set in PC1 and PC2 ?


2) Routed network

                                      193.192.192.1               193.192.192.2                            193.192.192.3
                     
               PC1----------Router------------------------DUT(acting as Bridge)----------------------------------------Router-----------Internet
                                 |
               PC2 -----------|




To reach Internet what gateway IP address should be set in PC1 and PC2 ?

Please post in comments.

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