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Cisco Bug: CSCuj91523 - ESP crash with Netflow and AVC configs

Last Modified

Apr 18, 2019

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.3(2)S1

Description (partial)

Symptom:
On an ASR1000 series router, the Embedded Services Processor (ESP) may unexpectedly reload.

On chassis with a removable ESP module (ASR1002, ASR1004, ASR1006, ASR1013) this will result in the router being temporarily unable to forward traffic. If there are two ESP modules in the chassis, the router will fail over to the secondary ESP.

On chassis with an integrated ESP module (ASR1002-X, ASR1001) this will result in a reload of the entire chassis.

Conditions:
The issue was first seen on 15.3(2)S1.

This crash may happen if ALL following items are true:
1.AVC monitor is configured. [It will implicitly start NBAR] It means You have configuration  like:
flow record type performance-monitor avc-monitor
match application name account-on-resolution
<or>
performance monitor context art profile application-experience
traffic-monitor application-response-time

2.NBAR MTP is enabled. It may be enabled implicitly as result of protocol pack replace:
ip nbar protocol-pack <pp-file>
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