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1 |
Login to one of the nodes in the ERP.
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2 |
Make sure that the ring is in the idle state.
From the Navigation menu, select View → Data → ERP. Select the circuit pack associated with the ERP.
TL1 command: rtrv-erp.
In the ERP display, verify that the ERP Instance State is ENRB (No Request (RPL blocked).
Note the VLAN ID and Maintenance Level.
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3 |
Login to the node with the link that will be the new RPL.
Shut down the ERP link that will be the new RPL. From the System View, select Configuration → Equipment. Expand the circuit pack details.
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For an Ethernet (LAN) port, highlight and Select the port.
From the Port Data tab, set Port Administration Control to DISABLE, then click Apply. Click Close.
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For a VCG port, expand the VCG details.
Set VCG Membership to Disabled for both Input and Output Direction.
In the Apply To: drop-down box, select All Tributaries, This VCG.
Click Apply, then click Close.
Result:
The node signals SF and unblocks the ring protection link (RPL).
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4 |
Login to the existing RPL Owner node.
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5 |
From the System View menu, select Configuration → Data → Create/Modify/Delete ERP. Select the LNW70/170 with the ports associated with the ERP.
Result:
The ERP configuration screen displays.
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6 |
Make the existing RPL port not be the RPL.
In the RPL ID drop-down box, remove the port AID. Click Apply, then click Close.
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7 |
Login to the node that is the new RPL Owner.
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8 |
From the System View menu, select Configuration → Data → Create/Modify/Delete ERP. Select the LNW70/170 with the ports associated with the ERP.
Result:
The ERP configuration screen displays.
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9 |
Designate the port for the new Ring Protection Link (RPL) for the ring. This command also makes this node the RPL Owner.
In the RPL ID drop-down box, enter the port AID for the new RPL.
As required, configure the Wait-to-Restore (WTR) time for the ERP.
The WTR time is the length of time after a failure recovers before the ERP reverts to the default configuration (with the RPL blocked). WTR may only be provisioned at the RPL Owner node. The ITU-T G.8032 standard requires the WTR time to be from 5 to 12 minutes.
Click Apply, then click Close.
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10 |
Enable the new RPL link.
From the System View, select Configuration → Equipment. Expand the circuit pack details.
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For an Ethernet (LAN) port, highlight and Select the port that was disabled.
From the Port Data tab, set Port Administration Control to ENABLE, then click Apply. Click Close.
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For a VCG port, expand the VCG details.
Set VCG Membership to Enabled for both Input and Output Direction.
In the Apply To: drop-down box, select All Tributaries, This VCG.
Click Apply, then click Close.
End of steps |
Overview