Cisco 10000 - Manual (Page 334)

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Cisco 10000 Series Router Software Configuration Guide
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Chapter 14 Configuring Automatic Protection Switching
Single-router Automatic Protection Switching
Use the no form of the command to return the threshold value to its default.
In the following example, the threshold value is set to 10 -8 .
Router(config)# interface pos 8/0/0
Router(config-if)# aps signal-degrade BER threshold 8
Specifying SR-APS Signal Fail BER Threshold
Use the aps signal-fail BER threshold command to modify the bit error rate threshold that, if exceeded,
causes an APS cutover.
aps signal-fail BER threshold value
[no] aps signal-degrade
Where value can be in the range of 10 -3 to 10 -5 . Enter this value as a single digit between 3 and 5.
The default signal fail BER threshold value is 10 -3 .
Use the no form of the command to return the threshold value to its default.
In the following example, the threshold value is set to 10 -4 :
Router(config)# interface pos 8/0/0
Router(config-if)# aps signal-fail BER threshold 4