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Industrial Managed Switches: Function Overview

Administration and diagnostics, availability, security, data transfer and performance: An overview of all functions of the industrial managed switch

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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, v2, v3
Support of MIB standards (Management Information Base)
Diagnostics via Modbus TCP: Numerous information available for easy diagnostics via MODBUS

DDM (Digital Diagnostic Monitoring)

Automatically detects a connected SFP module
Detailed module information
Real-time monitoring
- Temperature
- Power supply
- Transmission power
- Reception power

Monitoring and Diagnostics

Simplified Maintenance:

Port mirroring: Mirroring the network traffic
LLDP: Automatic detection of adjacent devices
Email notifications

Availability

Via communication redundancy

Jet Ring

Typical switching time < 300 ms (depends on the application)
Extremely easy configuration
Up to 20 participants (fast aging) in a jet ring

Xpress Ring and Dual Ring

Xpress Ring:

Switching time < 20 ms
Easy configuration
Up to 200 switches in one Xpress ring
Two Xpress rings per switch

Dual Ring:

Combination of both redundancy types
1 jet ring and 1 Xpress ring per switch or 2 Xpress rings per switch

ERPS (ETHERNET Ring Protection Switching)

The Fast and Open Solution:

Standardized and open technology
Switching time < 50 ms
Nested topologies with up to six rings per switch
Realization of a one-fault tolerance (SPOF – Single Point of Failure)

ERPS – Enhancement Mode:

WAGO's devices with integrated switches and fast aging configuration
Typical switching time < 300 ms (depends on the application)

Security

Absolutely Secure Industrial Networks

IEEE 802.1X Authentication

The Security Standard of IT Networks: Secure authentication and authorization in ETHERNET networks (locally on the switch or via RADIUS server).

Process:

Authentication of a subscriber is performed by the authenticator.
The authenticator checks the authentication information of the subscriber (supplicant) with an authentication server.

Firewall – Access Control List

Authorization only for the required services

Filtering data packets due to:

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

Port Security

Dynamically learns MAC addresses per port
Limitation of MAC addresses per port
MAC-based white/black list per port

Data Transmission

Streamlined ETHERNET 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

IP-Based VLAN

Routing of data packets between VLANs via IP address
Communication from one participant to two or more VLANs
Economic connection of networks to higher-level routers
Prioritization of data packets via IP address

MAC-Based VLAN

Assignment of data packets to a VLAN via MAC address
Prioritization of data packets via MAC address

Performance