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

Instance ID: 1
Active: true
Node state: PROTECTION
Description:
Control VLAN: 4001
Protected instance: 1
Protected VLAN: 100-101,111,4094
Guard timer: 500
Hold-off timer: 0
WTR timer: 1
Revertive mode: Revertive
R-APS level : 7
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
Active: true
Node state: PROTECTION
Description:
Control VLAN: 4009
Protected instance: 9
Protected VLAN: 119
Guard timer: 500
Hold-off timer: 0
WTR timer: 1
Revertive mode: Revertive
R-APS level : 7
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.