ECIS4500 series support E-Ring – How to configure E-Ring (Coupling)? Follow

The network topology and configuration show as below.
Coupling topology:


Caution:
Please do not connect the Ethernet cable before finishing configuration of Coupling.
 
 
Configuration:
1. Since ring protection is a media redundancy protocol (IEC 62439-2), please disable any other anti-loop protection.
1-1 Disable Spanning-Tree on all ports: (It’s enabled by default)

 
1-2 Disable Loop Protection on all ports: (It’s disabled by default)


2. Configure Coupling on all switches.
- Master of Ring (switch A):

 
- Slave of Ring (switch B):



- Slave of Ring + Backup of Ring Coupling (switch C):

 
- Slave of Ring + Primary of Ring Coupling (switch D):

Caution:
There are 2 types of Coupling ring port:
-  Primary port: primary path of ring coupling.
-  Backup port: backup path of ring coupling

 
3. Connect Ethernet cables.
Caution: backup port of coupling switch always blocked by default.  ( no link failure)
 
4. Check the Coupling status:
- Master of Ring (switch A):

 
- Slave of Ring (switch B):

 

- Slave of Ring + Backup of Ring Coupling (switch C):

 
- Slave of Ring + Primary of Ring Coupling (switch D):

 
 
The status on each switch when link fails:


- Master of Ring (switch A): No impact on switch A.

 
 
- Slave of Ring (switch B): No impact on switch B.

 
- Slave of Ring + Backup of Ring Coupling (switch C):
The state of port 3 is changed from blocking to forwarding.

 
 

- Slave of Ring + Primary of Ring Coupling (switch D): Port 3 link down.