run show erps ring

The run show erps ring command shows the detailed information of the ERPS ring instances.

Command Syntax

run show erps ring <ring-id> [instance <instance-id>]

Parameter

Parameter	Description
ring <ring-id>	Specifies the ID of the ring. The value is an integer that ranges from 1 to 8.
instance <instance-id>	Optional. Specifies the instance ID for a ring. The value is an integer that ranges from 1 to 2.

Example

View the detailed information of the ERPS ring instances.

admin@PICOS# run show erps ring 1
Ring ID: 1
Port0: te-1/1/19
Port1: te-1/1/7
Ring-MAC: false
Sub-ring: No
Virtual-channel: No

Instance ID: 1
Enable: Yes
Active: true
Node state: Protection
Description:
Control VLAN: 4001
Protected instance: 1
Protected VLAN: 100-101,111,4094
Guard timer: 500 ms
Hold-off timer: 0 ms
WTR timer: 1 min
Revertive mode: Revertive
R-APS level : 7
Connect(ring/instance): -
Forced Switch Port: -
Manual Switch Port: -
Interface      Port Role        Port State       Signal Failure
----------------------------------------------------------------
te-1/1/19      RPL Owner        Forwarding       Non-failed
te-1/1/7       Common           Forwarding       Non-failed


Instance ID: 2
Enable: Yes
Active: true
Node state: Protection
Description:
Control VLAN: 4002
Protected instance: 2
Protected VLAN: 200-201
Guard timer: 500 ms
Hold-off timer: 0 ms
WTR timer: 1 min
Revertive mode: Revertive
R-APS level : 7
Connect(ring/instance): -
Forced Switch Port: -
Manual Switch Port: -
Interface      Port Role       Port State       Signal Failure
------------------------------------------------------------------
te-1/1/19     Common           Forwarding       Non-failed
te-1/1/7      Common           Forwarding       Non-failed

In the show result,

The parameter “Active” indicates whether the ERPS ring instance is active or not. If the configurations of the ERPS ring instance are correct and complete, the ERPS ring instance is active, and it shows “Active: true”.
The parameter “Node State” indicates the state for the node:
- Init: Not a participant of a specific ring.
- Idle: No failure on the ring. Indicates that the current blocking point is at the RPL Owner port.
- Protection: Indicates link failure or equipment fault on the ring.
- Pending: Indicates a transition state for ERPS ring, such as the node is recovering from failure.
- Forced Switch: Indicates that the ERPS ring port is blocked by forced switching.
- Manual Switch: Indicates that the ERPS ring port is blocked by manual switching.