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Cisco Bug: CSCvu27864 - Provide support for export spreading in SDWAN FNF implementation

Last Modified

Aug 24, 2020

Products (1)

  • Cisco XE SD-WAN Routers

Known Affected Releases

17.2.1r

Description (partial)

Symptom:
An "export storm" may be observed with cFlowd enabled on a XE SDWAN device. If QoS is configured outbound on the WAN interface, this may lead to queue drops, depending on the BW configured in the shaper.

Conditions:
cFlowd and DPI are enabled and a burst of traffic due to template export is seen at the template export interval.
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