Manage Rings

Perform the following steps to access the OAM details of ring information:

Go to Configuration > Layer 2 menu and click Rings option. The Rings page is displayed.
Double-click the desired ring. A detailed page of the selected ring is displayed in a new tab.
The Ring information page is displayed with a graphical view of the Ring under Ring Path tab, the ring details under Path Nodes Information tab, and ringlet details under Ringlet Configuration tab.

View Ringlet parameters

On Ring information page, under Ringlet Configuration tab, click the desired Ringlet Name link. The parameters of the ringlet name are displayed.

Ringlet Information

Ringlet Configuration and Path Nodes Information Tab parameters

Parameter	Description

Ringlet Configuration
Ringlet Name	Displays the unique ringlet name. Also allows you to click the link and view the ringlet status.
Control VID	Displays the VLAN IDentifier of the Control VLAN.
Data VID	Displays the data VLAN ID protected by Ringlet.
Reversion Mode	Displays the mode of the reversion.
Root Node	Displays the name of the RPL owner nde.
Root Switch Number	Displays the switch number of the root node.
Root Port	Displays the root port ID.
Status Message	Displays the status of the ongoing provisioning request if any is sent.
Ringlet State	Displays the provisioning status of the ringlet. State can be active, pending or partially provisioned.
Path Nodes Information
Node Name	Displays the name of the node.
Switch Number	Displays the switch number.
East Port	Displays the east port of the node.
East Port Protected Ring Name	Displays the ring name of the ring which was created first on the east port.
East Port Shared	Displays whether the east port is shared or not.
West Port	Displays the West port of the node.
West Port Protected Ring Name	Displays the ring name of the ring which was created first on the west port.
West Port Shared	Displays whether the west port is shared or not.
NOTE: An additional column appears for open port vlan list if the ring selected is open ring.
Ring Path
Displays a graphical representation of the ring. Basic information of a node participating in ring formation is displayed as a screentip when the cursor is pointed to it.

Ringlet Name Parameters

Parameter	Description
Node Name	Displays the name of the node.
Switch Number	Displays the switch number.
East Port	Displays the East port of the node.
East Port Status	Displays the ERP port ringlet status.
West Port	Displays the West port of the node.
West Port Status	Displays the ERP port ringlet status. The state can be either true or false.
Node State	Displays the state of the ringlet provisioning on the existing node. This can be active or pending.
Ringlet Protection State	Displays the ringlet protection state. The state can be Idle in normal condition; Protect if link failure occurs.
Status	Displays the status of the last provisioning request sent for the ringlet.

The different actions that can be performed from the Ring Information column are as follows:

Action: Edit Ring name

Perform the following steps to edit/modify the ring name:

Under Ring Information column of the selected ring tab, double-click the value against the Ring Name parameter.
Edit the name as desired and press Enter. A confirmation message is displayed.
Click OK. Modification Command sent Successfully message is displayed.
Click OK.

Action: Activate

Perform the following steps to activate a ring or its ringlet(s):

Under Ring Information column of the selected ring tab, click (Activate).
In the Activate drop down menu displayed, do one of the following:
- To activate the ring, select the radio button against Ring.
- To activate a ringlet(s), select the radio button against Ringlet (s). Ensure that the ringlet desired to activate has already been selected under Ringlet Configuration tab.
A confirmation message is displayed. Click OK. Activation command sent successfully message is displayed.
Click OK. The status of the ring can viewed under Admin State parameter; status of ringlet can be viewed under Ringlet State.

Action: Deactivate

Perform the following steps to deactivate a ring or its ringlet(s):

Under Ring Information column of the selected ring tab, click (Deactivate).
In the Deactivate drop down menu displayed, do one of the following:
- To deactivate the ring, select the radio button against Ring.
- To deactivate a ringlet(s), select the radio button against Ringlet (s). Ensure that the ringlet desired to deactivate has already been selected.
A confirmation message is displayed. Click OK. Authorize Deactivating Ring/Ringlet window is displayed.
The user is required to authenticate the deactivation of ring.
Enter the Password for the user. The password in this case will be the NMS user login password.
Click OK. Deactivation command sent successfully message is displayed.
Click OK. The status of the ring can viewed under Admin State parameter; status of ringlet can be viewed under Ringlet State.

Action: Add Ringlet

Under Ring Information column of the selected ring tab, click (Add Ringlet). Create Ringlet window is displayed.
Enter the parameters for ringlet creation. For more information, refer Create Ringlet parameters table.
Click Add. Ringlet added Successfully message is displayed.
Click OK.

Create Ringlet parameters

Parameter	Description
Name	Enter the unique Ringlet name. The characters supported are A to Z, a to z, 0 to 9, _(underscore), -(hyphen), .(dot), &(ampersand), space.
Control VID	Enter the VLAN IDentifier of the Control VLAN.
Data VID List	Enter the data VLAN ID protected by Ringlet.
Reversion Mode	Select the required mode from the list - Reversion, Non-Reversion.
RPL Owner	Ring Protected Link (RPL) owner. The RPL owner has a RPL port and a non-RPL port. Under normal working condition, the RPL owner blocks traffic through the RPL port for the data VLANs that are protected by the ringlet.
RPL Port	An RPL port is present on an RPL owner. The RPL port is blocked under normal working conditions. The RPL owner unblocks the RPL port after receiving RAPS (SF) messages from other nodes.

NOTE: An additional column appears for open port vlan list if the ring selected is open ring. On adding ringlet to an already provisioned ring, the ring moves into partially provisioned state. The new ringlet state is shown as pending. The earlier ringlets state continues to be in active.

Action: Delete Ringlet

Perform the following steps to delete the selected ringlet(s) of a ring:

Go to Configuration > Layer 2 menu and click Rings option. The Manage Rings page is displayed.
Double-click the desired ring. The Ring information page is displayed.
Under Ringlet Configuration tab, select the desired ringlet(s).
Under Ring Information column, click (Delete Ringlet). A confirmation window is displayed.
Click OK. Ringlet(s) deleted successfully message is deleted.
Click OK.

NOTE: Atleast one ringlet should be left after deletion.