the RPL owner node and non-owner node state machines will start, and the ring
will enter the active state.
Limitations
When configuring a ring port, note that these ports cannot be part of a spanning
tree, nor can they be members of a static or dynamic trunk.
Parameters
These parameters are displayed:
Add
◆
Domain Name – Name of an ERPS ring. (Range: 1-12 characters)
◆
Domain ID – ERPS ring identifier used in R-APS messages. (Range: 1-255)
Show
◆
Domain Name – Name of a configured ERPS ring.
◆
ID – ERPS ring identifier used in R-APS messages.
◆
Admin Status
– Shows whether ERPS is enabled on the switch.
◆
Ver – Shows the ERPS version.
◆
MEG Level – The maintenance entity group (MEG) level providing a
communication channel for ring automatic protection switching (R-APS)
information.
◆
Control VLAN – Shows the Control VLAN ID.
◆
Node 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.
◆
Type – Shows node type as None, RPL Owner or RPL Neighbor.
◆
Revertive – Shows if revertive or non-revertive recovery is selected.
◆
W/E – Shows information on the west and east ring port for this node.
◆
West Port – Shows the west ring port for this node.
◆
East Port – Shows the east ring port for this node.
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