User guide

Configuring Network Services Protection Switching-EPSR
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AlliedView NMS Administration Guide
• The device is not part of the domain (there are no Master/Transit indicators on the VLAN Interfaces.
• There is an incomplete loop (usually a missing link or device.
In Figure 6-134, a control ring has been configured following the example in Figure 6-117. The .80 device is the master node
and the .30 node is a transit node and both are configured (and connected) with the Ctrl300 as the network VLAN. The .20
device is also connected to the ring but is not protected by the Control VLAN Ctrl300. Note that these Ctrl300 labels are in
red. Moreover, there are question marks in red on the links coming form the ports. Finally, note that the .20 device has no
transit label above it.
FIGURE 6-134 Misconfigured Control Ring
To query this configuration, the user can right click on the .20 device and select View EPS Control Ring. The following
message appears, as shown below.
FIGURE 6-135 Error Message for Misconfigured Control Ring
To view the overall attributes of the EPSR configurations, go to Network Inventory and select EPSR Domains, as shown in
the following figure.