Cisco Bug: CSCuj25418 - ASR1K: cpp_cp_svr crash@cpp_bqs_rm_yoda_unplace_and_destroy_srt_obj
Mar 24, 2019
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
15.2(4)S 15.3(3)S 15.4(1)S 15.4(2)S
Symptom: The ESP-100 and ASR1K-2X crash when flat policies are applied on both the tunnel and the destination sub-interface. This issue is observed when QOS is applied first on the tunnel then on the sub-interface as follows: policy-map tunnel-shaper class class-default shape aver per 20 policy-map sub-int-shaper class class-default shape ave per 90 Be sure the tunnel is active and pointing to the sub-interface with QoS applied before applying the sub-interface policy. See the attached repro-steps for details. int tunnel1 service-policy out tunnel-shaper int g2/3/0.100 service-policy out sub-int-shaper Conditions: When a sub-interface policy is applied after QoS is active on a tunnel, the tunnel is reparented from the current aggregation node to the sub-interface node. Since reparenting a leaf node requires adding a temporary node in the hierarchy to be able to move flow-control gracefully, the logic to detach the source leaf node from the temporary node was missing. As a result, the code generated a fatal error while attempting to free the temporary node before it is empty.
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