Configuring ERP Configuring an ERP Ring
OmniSwitch AOS Release 6 Network Configuration Guide September 2009 page 14-13
Removing an ERP Ring
To delete an ERP ring from the switch configuration, use the no form of the erp-ring command. For
example:
-> no erp-ring 1
Note. Administratively disable ring ports before deleting the ring to avoid creating any network loops.
Once a ring is deleted, then administratively enable the ports under Spanning Tree protocol.
Adding Protected VLANs
ERP allows a single VLAN or a number of VLANs to participate in a single ERP ring. The erp-ring
protected-vlan command is used to tag the ring ports of the ERP ring with a VLAN ID. Once a VLAN is
associated with a ring, it is referred to as an ERP protected VLAN.
An ERP ring must already exist before protected VLANs are added to the ring. Similarly, the VLAN must
already exist before it is added as a protected VLAN to the ring.
To configure a VLAN or range of VLANs as protected VLANs for a specific ring, enter erp-ring
followed by a ring ID then protected-vlan followed by a single VLAN ID or a range of VLAN IDs. For
example:
-> erp-ring 1 protected-vlan 11
-> erp-ring 1 protected-vlan 12-20 25-40 100
To delete a protected VLAN or group of VLANs from the ring, use the no form of the erp-ring
protected-vlan command. For example:
-> no erp-ring 1 protected-vlan 11
-> no erp-ring 1 protected-vlan 31-40
Use the show erp protected-vlan command to view the protected VLANs. For more information about
this command, see the OmniSwitch CLI Reference Guide.
Configuring an RPL Port
A ring protection link (RPL) port can be a physical or logical port. The port must be a ring port before it is
configured as an RPL port, and out of the two ring ports on the node, only one can be configured as a RPL
port. The RPL remains blocked to prevent loops within the ERP ring.
To configure an RPL port, first disable the ring and then use the erp-ring rpl-node command to specify
which ring port will serve as the RPL. For example:
-> erp-ring 1 disable
-> erp-ring 1 rpl-node port 1/1
-> erp-ring 1 enable
Note. RPL node can be configured only when the ring is disabled; RPL configuration applied to the ring
while it is enabled will be rejected.
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