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13. Configuring Network Services Protection Switching-EPSR

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AlliedView NMS Administration Guide

If Apply Protection Domain is chosen, the devices that use the Network VLAN are included in the Configure EPS Control Ring

window, and in configuring the Control Ring the AlliedView NMS will complete the loop.

13.10.2.3 View/Modify/Delete EPS Control RIng

Once a control ring has been created, it can be viewed by selecting the relevant networked VLAN and selecting View EPS

Control Ring. The View EPS Control Ring window appears, with the attributes of the control ring included in the New

Configured Domains panel. Refer to the following figure.

Note: In release 12.0, the EPSR+ field is included as well.

EPSR Protection

Domain panel

Lists the relevant information for the control ring: Have control over columns that are

enabled. (Controllable fields in bold.)

Device: The name of the device as defined in the Managed Object Properties

Domain Name: The domain name that applies to this specific Network VLAN and all of its

associated nodes.

Control VID: The VID of the network VLAN that is being used to create the protection

ring.

Interface #1/Primary - Can toggle between Primary and Secondary.

Interface #2/Secondary

Is Master: Selects which device is to be the master node. This is usually the node that is

connected to upstream devices. (This cannot be modified if you are modifying an existing

control ring.)

Operation Type: The operation (such as Create) that is being applied to the ring

configuration.

Is Enabled: Checked by default, allows the user to disable the EPS domain for that device.

Note the ring (master node) should be disabled only to perform a configuration change.

If the master is disabled, the ring will not provide protection. It appears that the device

blocks both ports so it no longer is connected to the other devices (and the ring is

broken).

If the transit is disabled it also appears that the device blocks both ports for protected

traffic so it no longer is connected to other devices (although the ring except for that

device will still function).

EPSR+ -

Enhanced Recovery, this is defaulted to the recommended settings, and is

disabled if unavailable on the node software release.

Device Operations Options to perform on the created control VLAN:

Apply Protection Domain - Configures the devices to support the control ring. Brings up

the Task Details window.

Delete Protection Domain -Activated only when the EPS Control Ring has already been

created, allows the user to delete the protection domain for the network VLAN. Note

that the network VLAN itself is not deleted. Refer to 13.10.2.3.

Modify Protection Domain - Activated only when the EPS Control Ring has already been

created, allows the user to modify the protection domain for the network VLAN. Refer to

13.10.2.3.

Enable/Disable - Activated only when the EPS Control Ring has already been created,

allows the user to disable the protection domain after it has been applied, and vice versa.

Refer to 13.10.2.4.

TABLE 13-7 Fields for the Configuration of the EPS Control Ring Panel

Option Purpose

1 2 ... 503 504 505 506 507 508 509 510 511 512 513 ... 994 995

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