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PRP + REP Redundancy Configuration for IE-3100 Switches

Express Setup

If you get a red flashing LED after pressing express setup, hold express setup button until you get green/red alternating blinks to factory reset (takes 15-20 sec)
Login admin
Password switch
Host Name RIOxxx-SW-LAN-x

Upgrade Firmware

Administration --> Software Management
First, click on Remove Inactive Files
One-Shot Install Upgrade Checked
Source File Path:

Select firmware file from PC

(ie31xx-universalk9.17.15.05.SPA.bin)

Click Download & Install

Administration --> Software Management (After Reboot)
Click one last time on Remove Inactive Files to remove any lingering files after the upgrade.

PRP Configuration (for PCS/SCS Networks)

Administration --> Device
System MTU 1506
Configuration --> Layer 2 --> VLAN
On the VLAN tab, click on Add+
VLAN ID 2
Name SCS
Port Members

8T2C --> 7-10

4T2S --> 5-6

On the SVI tab, click on Add+

VLAN Number 2
Description SCS
IPv4 Checked
IPv4 Type Static
IPv4 Address 192.168.2.x (Same 4th Octet as VLAN1)
Subnet Mask 255.255.255.0
Edit VLAN1 with the following setting.

Description PCS

Configuration --> Layer 2 --> Smartports
Interfaces Gi1/1 and Gi1/2 (All Models)
Role Switch
Native VLAN 1
Interfaces Gi1/3-4 (4T2S)
Role Ethernet/IP
Access VLAN 1
Interfaces Gi1/5-6 (4T2S)
Role Ethernet/IP
Access VLAN 2
Interfaces Gi1/3-6 (8T2C)
Role Ethernet/IP
Access VLAN 1
Interfaces Gi1/7-10 (8T2C)
Role Ethernet/IP
Access VLAN 2
Administration --> Industrial Protocols --> CIP
For diagnostics, we want to enable CIP
CIP Status Enable
CIP VLAN 1
CIP Password switch

REP Configuration

Configuration --> Redundancy Protocols --> REP

Interface Gi1/1-2 (Most Switches)
Enable Enable
Segment ID 1
Port Type None
Interface Gi1/1 (Furthest Switch from PLC)
Enable Enable
Segment ID 1
Port Type Edge Primary
Interface Gi1/2 (Furthest Switch from PLC)
Enable Enable
Segment ID 1
Port Type Edge