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Ring type network with omada switches - RSTP

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Ring type network with omada switches - RSTP

Ring type network with omada switches - RSTP
Ring type network with omada switches - RSTP
2025-05-05 17:01:48 - last edited 2025-05-15 01:11:04
Tags: #STP/RSTP
Model: TL-SG3428XMP   TL-SG2008  
Hardware Version: V4
Firmware Version:

Hello, I would like to create a ring design for link down stiuations between switches. All of my switches managed on sofware omada controller.  You can see my design below. I have enabled rstp on all of my switches and set Bademli Rack Cabinet as root switch. But when I plug the cable between forked switch and wedding hall switch, wedding hall switch are inaccesible. How can I solve this issue to make it work as backup connection ?

 

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2 Accepted Solutions
Re:Ring type network with omada switches - RSTP-Solution
2025-05-21 08:44:17 - last edited 2025-07-26 14:20:06

  @GRL Hello okay I found settings, here what I configured on forked switch;

The ones switch profile which supposed to be spare connection settings which is Port 2

 

The one should be selected prior to above port above ise which is Port 2

 

But result is opposite;

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#13
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Re:Ring type network with omada switches - RSTP-Solution
2025-05-23 07:41:30 - last edited 2025-07-26 14:20:31

  @umutsati 

 

not sure, i havent tried a ring topology myself (i implemented somehting different, backup links for each switch in the rack going to central location should a LAG fail or a switch factory reset and block its uplink LAG due to loop)

Im not certain why this isnt working for you, i believe it should be

 

Did hou try a reboot of all the switches after setting this up to force STP to regenerate the full table?

Main: ER8411 x1, SG3428X x1, SG3452 x1, SG2428LP x1, SG3210 x1, SG2218P x1, SG2008P x3, ES208G x1, EAP650 x6 Remote: ER7206 v2 x1, ER605 v2 x3, SG2008P x2, EAP650 x2, ES205G x1 Controller: OC300
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#14
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Re:Ring type network with omada switches - RSTP
2025-05-05 19:26:43 - last edited 2025-07-26 14:20:24

  @umutsati 

 

You need to make sure that the rSTP profile "CIST Priority" value of each switch is different, with the root switch being the lowest value (higher values are lower priority)

 

Then, set up port profiles enabling rSTP, and increase the priority value upwards for each linked port.  The lower the priority value, the higher priority that link is

 

in the below, the "core switch" is bademill tower


Router > core switch priority 16

Core switch to remote switch 1, priority 32

core switch to remote switch 2, priority 32

remote switch to remote switch priority 64

 

core switch CIST 4096

remote switch 1+2 CIST 8192

 

Main: ER8411 x1, SG3428X x1, SG3452 x1, SG2428LP x1, SG3210 x1, SG2218P x1, SG2008P x3, ES208G x1, EAP650 x6 Remote: ER7206 v2 x1, ER605 v2 x3, SG2008P x2, EAP650 x2, ES205G x1 Controller: OC300
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#2
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Re:Ring type network with omada switches - RSTP
2025-05-06 09:05:23

  @GRL 

 

You mean like;

Bademli Rack Kabin Priority = 4096 
Bademli Tower = 8192
Forked Switch = 12288

Wedding Hall = 12288

 



None of those switches are router, all of are omada switches. Router is a pfsense.  And in port configuration there is no option to set "core switch priority" as you see below or do I get it wrong ?

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#3
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Re:Ring type network with omada switches - RSTP
2025-05-06 09:29:35

  @umutsati 

 

you dont have this option in switch port profile?

 

Main: ER8411 x1, SG3428X x1, SG3452 x1, SG2428LP x1, SG3210 x1, SG2218P x1, SG2008P x3, ES208G x1, EAP650 x6 Remote: ER7206 v2 x1, ER605 v2 x3, SG2008P x2, EAP650 x2, ES205G x1 Controller: OC300
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#4
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Re:Ring type network with omada switches - RSTP
2025-05-06 09:45:48 - last edited 2025-05-06 09:47:39

  @GRL No actually I dont have such option. Is there any global settings to active that on omada controller web page ?

My omada controller version: 5.15.8.2

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#5
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Re:Ring type network with omada switches - RSTP
2025-05-06 14:55:17

  @umutsati 

 

what controller do you use?

Main: ER8411 x1, SG3428X x1, SG3452 x1, SG2428LP x1, SG3210 x1, SG2218P x1, SG2008P x3, ES208G x1, EAP650 x6 Remote: ER7206 v2 x1, ER605 v2 x3, SG2008P x2, EAP650 x2, ES205G x1 Controller: OC300
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#6
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Re:Ring type network with omada switches - RSTP
2025-05-06 16:21:09

  @GRL 

İm using software controller runs on Ubuntu server 

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#7
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Re:Ring type network with omada switches - RSTP
2025-05-07 01:32:27

Hi @umutsati 

umutsati wrote

  @GRL 

İm using software controller runs on Ubuntu server 

You need to go to the switch profile page instead of the page where you edit the port and edit the profile BTW. The dedicated page for the switch profile should offer more options.

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#8
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Re:Ring type network with omada switches - RSTP
2025-05-07 05:49:38

  @Clive_A 

Actually there is no such setting in switch profile too.Here is my switch profile config settings;

 



 

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#9
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Re:Ring type network with omada switches - RSTP
2025-05-07 07:43:21

  @umutsati 

 

Its there if you enable spanning tree

Main: ER8411 x1, SG3428X x1, SG3452 x1, SG2428LP x1, SG3210 x1, SG2218P x1, SG2008P x3, ES208G x1, EAP650 x6 Remote: ER7206 v2 x1, ER605 v2 x3, SG2008P x2, EAP650 x2, ES205G x1 Controller: OC300
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#10
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Re:Ring type network with omada switches - RSTP
2025-05-19 08:14:37

  @GRL 

Hello, okay I finally found the setting here you can see below. How do I configure for each switch ?

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#11
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