Login to one of the nodes in the ERP.

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.

Login to one of the nodes adjacent to the node being removed, shut down the link connected to the node being removed.

From the System View, select Configuration → Equipment. Expand the circuit pack details.

• 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.

• 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:

This node signals SF and unblocks the ring protection link (RPL).

Remove the node and reconnect the ring without that node. The other adjacent node should also signal SF until the new link is working.

Login to the node where you disabled the link in Step 3.

Enable the link that was shutdown in Step 3.

From the System View, select Configuration → Equipment. Expand the circuit pack details.

• 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.

• 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