Chapter 4. Web Configuration & Operation
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CHAPTER 4
WEB OPERATION & CONFIGURATION
Instance Configuration
Protection Type:
Select the protection type either unidirectional or bidirectional switching.
APS:
Select the checkbox to enable APS (Automatic Protection Switching) feature.
Revertive:
Select the checkbox to enable revertive mode. Leaving the checkbox unchecked will operate on non-
revertive mode.
WTR Time:
WTR stands for Wait To Restore and WTR timer is used in revertive mode to avoid a constant and rapid
cycle between down and up states in a misconfigured or mismanaged network (known as flapping).
Hold Off Time:
Hold Off timer would delay the protection switching until an upstream device or the lower layer is
ready. Select the desired Hold-off-time from the drop-down menu.
Instance Command
Command:
This field allows the switch to perform a particular action on an EPS instance. Available options are listed
below.
None:
No command is used.
Clear:
Any active command is cleared.
Lockout:
End-to-end lock out of the protection entity.
Forced Switch:
Forced switch to the protection entity.
Manual Switch P:
Manual switch to the protection entity.
Manual Switch W:
Manual switch to the working entity.
Exercise:
Exercise of APS protocol.
Freeze:
Local freeze of protection entity.
Lock out Local:
Local lock out of the protection entity.
Instance State
This table shows the current state of the configured instance including APS frames transmitted and received and APS
working status.
4.3.15 MEP
Instance:
Specify the MEP instance ID. After saving an entry, click the number of each instance to further configure
details of this MEP entry.
Domain:
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