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Clock issue with Cisco ISR 4000K Series routers

totaram asked
Last Modified: 2018-01-09
Cisco has advised BT of an issue relating to a component manufactured by one of their suppliers that affects some Cisco Optical Networking, Routing, Security & Switching products. In some hardware units, the clock signal component degrades over time. Cisco expects product failures to increase over time, beginning after the unit has been in operation for approximately 18 months.

Can anyone advise how to spot the issue and what symptom to look for if the unit has suffered such a defect?
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