Service Bridge – Setup and Configuration 
Entry ID: 109747975,    V1.4,    05/2019 
 
 Siemens AG 2019 All rights reserved 
Table of contents 
Legal information ......................................................................................................... 2 
1  Task and solution .............................................................................................. 5 
1.1  The task ................................................................................................ 5 
1.2  Solution................................................................................................. 6 
1.3  Hardware and software components ................................................... 7 
2  How the service bridge works and how to use it ........................................... 8 
2.1  Ports ..................................................................................................... 8 
2.1.1  Enabling/disabling ports ....................................................................... 9 
2.2  Separate Network adapter and IP addresses .................................... 10 
2.3  A firewall using the example of a SCALANCE SC ............................. 11 
3  Configuration and commissioning of the Service Bridge ........................... 12 
3.1  Preparing the switch ........................................................................... 13 
3.2  Assigning an IP address..................................................................... 13 
3.3  Checking the firmware version and updating it if required ................. 18 
3.4  Loading the configuration file in the Switch ........................................ 21 
3.5  Adjusting the configuration ................................................................. 25 
3.5.1  Unicast filter ........................................................................................ 25 
3.5.2  ACL management .............................................................................. 27 
3.5.3  SNMP ................................................................................................. 29 
3.6  Backing up the configuration .............................................................. 31 
3.7  Commissioning the Service Bridge .................................................... 32 
3.7.1  Configuring the Network adapter in the engineering station .............. 32 
3.7.2  System time ........................................................................................ 36 
4  Configuration file ............................................................................................. 37 
4.1  VLAN configuration ............................................................................ 37 
4.1.1  Basics ................................................................................................. 37 
4.1.2  Ports ................................................................................................... 38 
4.1.3  VLAN .................................................................................................. 39 
4.1.4  Private VLAN ...................................................................................... 41 
4.2  Operational reliability and IT Security ................................................ 42 
4.2.1  System configuration .......................................................................... 42 
4.2.2  "SELECT/SET" button ........................................................................ 43 
4.2.3  Fault Monitoring .................................................................................. 44 
4.2.4  PROFINET ......................................................................................... 46 
4.2.5  Rate control ........................................................................................ 47 
4.2.6  Loop detection .................................................................................... 48 
4.2.7  Multicast filter ..................................................................................... 49 
4.3  Other settings ..................................................................................... 50 
4.3.1  Layer 2 configuration .......................................................................... 50 
5  Firewall configuration using the example of a SCALANCE SC632-2C ...... 51 
5.1  Connecting the SCALANCE SC632-2C ............................................. 51 
5.2  SCALANCE SC632-2C configuration ................................................ 52 
5.2.1  Setting up access to the Web Based Management of the 
SCALANCE SC632-2C ...................................................................... 52 
5.2.2  Firewall rule configuration .................................................................. 53 
5.2.3  Bridge Mode ....................................................................................... 58 
5.2.4  Activating the firewall .......................................................................... 59 
6  Additional information .................................................................................... 60 
6.1  Continuous access, e.g. for SINEMA server ...................................... 60