show erps status

Syntax

show erps status [ring <ringid>] [instance <id>]

Description

This command displays detailed information about a specific ring or all instances of a ring.

The ring instance may be in one of the following states:

  • Idle: No protection switching.

  • Initializing: The ring instance is not operational.

  • Protection: Protection switching has been triggered by a local or remote link failure.

  • Pending: Pending clearance of a previous protection switch.

  • Down: Ring instance is not active.

A ring instance has the following reasons for "down" state:

  • Disabled: Ring instance is administratively disabled.

  • Inconsistent Port Config: The same port is configured as port0 and port1 or RPL port is configured without a role.

  • Incomplete Port Config: Only one or no ring port is configured.

  • Protected VLANs Not Configured: Protected VLAN list is empty.

  • Control VLAN Not Configured: Control VLAN is not configured.

  • Insufficient HW Resource: Ring instance provisioning failed due to insufficient HW resources.

  • Control VLAN Overlap: Same control VLAN is configured on two or more ring instances.

  • Protected VLAN Overlap: Same protected VLANs are configured on two or more ring instances.

Command context

Operator (>) or Manager (#)

Parameters

<ringid>

Optional, specifies the ID of the ring. Range: 1-239.

<id>

Optional, specifies the ID of the ring instance. Range: 1-64.

Authority

Operators or Administrators. Users without administrator authority can execute this command from the operator context (>) only.

Examples

Show ERPS status for ring 1 and instance 1: 
switch# show erps status ring 1 instance 1

Status for ERPS Ring 1 Instance 1
=================================
Ring ID                       : 1
Instance ID                   : 1
Port0                         : 1/0/1 (Blocked)
Port1                         : 1/0/2 (Up)
Node Role (RPL)               : Owner (Port0)
Control VLAN                  : 100
Protected VLAN                : 1-10
Subring (TCN)                 : Yes (Yes)
Revertive Operation           : Revertive
MEG Level                     : 1
Transmission Interval         : 5 sec
Guard Interval                : 500 ms
Hold-Off Interval             : 1 sec
WTR Interval                  : 5 min
Status                        : Initializing
Oper Down Reason              : Inconsistent RPL
Show ERPS status for ring 1: 
switch# show erps status ring 1

Status for ERPS Ring 1 Instance 1
=================================
Ring ID                       : 1
Instance ID                   : 1
Port0                         : 1/0/1 (Blocked)
Port1                         : 1/0/2 (Up)
Node Role (RPL)               : Owner (Port0)
Control VLAN                  : 100
Protected VLAN                : 1-10
Subring (TCN)                 : Yes (Yes)
Revertive Operation           : Revertive
MEG Level                     : 1
Transmission Interval         : 5 sec
Guard Interval                : 500 ms
Hold-Off Interval             : 1 sec
WTR Interval                  : 5 min
Status                        : Idle
Oper Down Reason              : None


Status for ERPS Ring 1 Instance 2
=================================
Ring ID                       : 1
Instance ID                   : 2
Port0                         : 1/0/3 (Blocked)
Port1                         : 1/0/4 (Up)
Node Role (RPL)               : Owner (Port0)
Control VLAN                  : 110
Protected VLAN                : 20-30
Subring (TCN)                 : No
Revertive Operation           : Revertive
MEG Level                     : 1
Transmission Interval         : 5 sec
Guard Interval                : 500 ms
Hold-Off Interval             : 1 sec
WTR Interval                  : 5 min
Status                        : Admin-Down
Oper Down Reason              : None