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ERPS issue

Created: Dec 19, 2018 01:01:47Latest reply: Dec 20, 2018 09:01:41 1624 15 0 0 0
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This post was last edited by user_3239949 at 2018-12-21 09:27. hi, guys, I have one issue about the ERPS.
The topology is as below:
ERPS issue-2822841-1
The Core switch is the S12704, AGG switch is the S7706.
I have configured two rings, the ring 1 is the main ring, and the ring 2 is the sub-ring.
On the Core 1 and Core 2 it have configured two ERPS ring.
When I shutdown the link between the Core 1 and Core 2, then shutdown the any one link on the Ring 1. It mean shutdown two Link on Ring 1.
After that operation, the service on the Ring 1 is down.
Why the service will not go to the Ring 2 ? How to solve it? Please give me suggestion, thank you very much!I have check the configuration which you answer, but it not solve the issue?
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All Answers
chenhui
chenhui Admin Created Dec 20, 2018 07:12:40

Posted by user_3239949 at 2018-12-20 07:03 My issue is when I shutdown the link between the two core, then shutdown other link on the ring1 , t ...
you mean when shutdown one link of ring 1, the service on ring 1 and ring 2 both works fine ?
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chenhui
chenhui Admin Created Dec 20, 2018 07:33:42

@user_3239949 hello, by shutdown the link between Core1 and Core2, and anoter link in ring 1, you said the  service on the ring 1 is down, under this situation, does the service on the ring 2 work fine?  If the answer is yes ,please check if you have allowed the data transfer vlan which belong to ring 1 on the ring 2
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user_3239949
user_3239949 Created Dec 20, 2018 07:54:54

I have allowed all the VLAN on the ring 1 and ring 2, the ring 2 is sub-ring
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JoneSnow
JoneSnow Created Dec 20, 2018 07:57:50

ERPS does not support two breakpoints, RING1 is the main ring, business will not pass through the sub-ring. It can only be achieved through STP.
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user_3239949
user_3239949 Created Dec 20, 2018 08:20:41

Posted by JoneSnow at 2018-12-20 07:57 ERPS does not support two breakpoints, RING1 is the main ring, business will not pass through the su ...
you mean if I shutdown two link on ring 1, the ring 2 not open the port ?
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chenhui
chenhui Admin Created Dec 20, 2018 09:01:41

Posted by user_3239949 at 2018-12-20 08:20 you mean if I shutdown two link on ring 1, the ring 2 not open the port ?
In your topology, all the traffic from the ring 1 will not be forwarded to ring 2, the traffic flow will be forwarded to core layer on core 1 and core 2.
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