C
HAPTER
34
| ERPS Commands
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EXAMPLE
This example displays a summary of all the ERPS rings configured on the
switch.
Console#show erps
ERPS Status : Enabled
Number of ERPS Domains : 1
Domain State MEL Enabled West East RPL Owner Ctrl VLAN
------------ ---------- --- ------- -------- -------- --------- ---------
rd1 Idle 0 Yes Eth 1/12 Eth 1/10 Yes 100
rd2 Protection 0 Yes Eth 1/3 Eth 1/4 No 200
Console#
This example displays detailed information for the specified ERPS ring.
Console#show erps domain rd1
Domain Name : rd1
Admin Status : Enabled
MEG Level : 1
Node ID : 00-12-CF-61-24-2F
Node State : Idle
West Port : Eth 1/ 1 (Blocking)
East Port : Eth 1/ 2 (Forwarding)
RPL Port : West
RPL Owner : Enabled
Holdoff Timer : 300 ms
Guard Timer : 300 ms
Table 107: show erps - summary display description
Field Description
ERPS Status Shows whether ERPS is enabled on the switch.
Number of ERPS Domains Shows the number of ERPS rings configured on the switch.
Domain Displays the name of each ring followed by a brief list of status
information
State Shows the following ERPS states:
Init – The ERPS ring has started but has not yet determined the
status of the ring.
Idle – If all nodes in a ring are in this state, it means that all the
links in the ring are up. This state will switch to protection state if
a link failure occurs.
Protection – If a node in this state, it means that a link failure has
occurred. This state will switch to idle state if all the failed links
recover.
MEL The maintenance entity group (MEG) level providing a
communication channel for ring automatic protection switching
(R-APS) information.
Enabled Shows if the ring is enabled.
West Shows the west ring port for this node.
East Shows the east ring port for this node.
RPL Owner Shows if this node is the RPL owner.
Ctrl VLAN Shows the Control VLAN ID.
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