Configuring ERP Configuring an ERP Ring
OmniSwitch AOS Release 6 Network Configuration Guide September 2009 page 14-15
Monitoring Remote Ethernet OAM End Points with ERP
By default, ERP ring ports drop loss of connectivity events for a Remote Ethernet OAM Maintenance End
Point (MEP). Configuring the ring port to accept such events allows ERP to interact with Ethernet OAM
and monitor non-ERP nodes that may exist in the ring.
The erp-ring ethoam-event remote-endpoint command is used to configure a ring port to accept or deny
loss of connectivity events. Note that following conditions are required before this command is allowed:
• An Ethernet OAM Maintenance Domain(MD) exists, and the ERP ring Maintenance Entity Group
(MEG) level value is configured with the same number used for the MD level value.
• An Ethernet OAM Maintenance Association (MA) is present on the service VLAN for the ring.
• A down MEP is created on the port before the port is configured as a ring port.
• The Remote MEP-ID (RMEP-ID) is present in the MEP-LIST and the RMEP-ID specified is different
from the down MEP ID configured for the ring port.
For more information about configuring the Ethernet OAM components mentioned above, see Chapter 15,
“Configuring Ethernet OAM.”
To configure a ring port to accept loss of connectivity events, enter erp-ring followed by an existing ring
ID number, ethoam-event port followed by the ring port number, then remote-endpoint followed by the
remote MEP ID number. For example:
-> erp-ring 1 ethoam-event port 1/1 remote-endpoint 10
The above command configures ring port 1/1 on ERP ring 1 to accept loss of connectivity events from
remote endpoint 10.
The erp-ring ethoam-event remote-endpoint command is also used to configure a link aggregate logical
port to accept or drop loss of connectivity events. For example:
-> erp-ring 1 ethoam-event linkagg 1 remote-endpoint 20
To configure the ERP ring port to drop loss of connectivity events, use the no form of the erp-ring
ethoam-event remote-endpoint command. For example:
-> no erp-ring 1 ethoam-event port 1/1
To verify the Ethernet OAM event configuration for a specific ring port, use the show erp command with
the port parameter. For example:
-> show erp port 1/15
Legend: * - Inactive Configuration
Ring-Id : 1
Ring Port Status : forwarding,
Ring Port Type : non-rpl,
Ethoam Event : disabled
For more information about these commands, see the OmniSwitch CLI Reference Guide.
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