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Cisco Bug: CSCtb87856 - Hub Crash seen in performance testing

Last Modified

Feb 15, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(19.18)T2 12.4(24.6)PI11v 15.0(1)M

Description (partial)

Symptoms: Router can crash with a "%SYS-3-CPUHOG:" when DMVPN is deployed.

Conditions: The symptom is observed when the physical interface (tunnel source)
of the router is shut, the routing neighbourship flaps, and memory consumption
is increased to the point that there is no free memory left. This causes the
router to crash.
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