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PROFINET Managed Switches for Industrial Automation
Administration and Diagnostics, Availability, Security, Data Transfer and Performance: An Overview of All PROFINET Managed Switch Functions
Administration and Diagnostics
Simplified Commissioning and Maintenance
Configuration and Diagnostics
Several options:
- Configuration via Web-Based Management
- Configuration via command line (SSH, Telnet, RS-232)
- Network management via SNMP v1, v2c, v3
- Support of MIB standards (Management Information Base)
- Configuration through the device description file
DDM (Digital Diagnostic Monitoring)
- Automatic detection of a connected SFP module
- Detailed module information
- Real-time monitoring
- Temperature
- Supply voltage
- Transmitter power
- Reception power
Monitoring and Diagnostics
Simplified maintenance:
- Port mirroring: Mirrors the network traffic
- LLDP: Automatically detects adjacent devices
Availability
Via Communication Redundancy
Media Redundancy Manager
- Media Redundancy Manager (MRM)
- Media Redundancy Client (MRC)
- Switching time < 300 ms
- Easy MRC/MRM configuration via GSD file or Web-Based Management
- Acyclic PN diagnostics in the event of a fault
- Cyclic PN diagnostics in the event of a fault
Media Redundancy Client
- Media Redundancy Client (MRC)
- Switching time < 300 ms
- Easy MRC configuration via GSD file or Web-Based Management
- Acyclic PN diagnostics in the event of a fault
- Cyclic PN diagnostics in the event of a fault
Security
Absolutely Secure Industrial Networks
Firewall – Access Control List
Authorization only for the required services
Filtering data packets on the basis of:
- A source MAC or source IP address
- A destination MAC or destination IP address
- A range of MAC or IP addresses
- UDP/TCP source or destination ports
Data Transmission
Optimized PROFINET networks
Logical network disconnection
VLAN (e.g., per IEEE 802.1Q)
Segmentation in logical, virtual networks:
- Broadcast limitation
- Security improvement
- Data flow prioritization
- Subdivision of machines and office networks, for example
Performance
Streamlined ETHERNET Networks
Traffic prioritization and limitation
- Faster transfer of important data packets through the switch
- Prioritization of data packets per IEEE 802.1 Q
- Limitation of the bandwidth or number of packets per unit of time per port
- Increase in data transmission quality
Mastering Data Traffic
- Stopping broadcast storms
- Ensuring network availability
- Limiting broadcast and multicast data flows (packets/time)
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