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Cisco Bug: CSCus15668 - ASR1k/03.07.06 forwarding delay increased drastically with NAT

Last Modified

Jan 28, 2017

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.2(4)S0.6

Description (partial)

Symptom:
forwarding delay increased drastically

Conditions:
"ip nat outside" on its upstream interface however there are no active translations
#sh ip nat translations 
Total number of translations: 0
and ESP utilization is less than 10% it's clear to see delay increasing to at least 30-40 ms
for transit traffic
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