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Cisco Bug: CSCsg32170 - iEdge-MQC: iEdge & MQC policies not applied correctly on PPPoX sessions

Last Modified

Jan 31, 2017

Products (1)

  • Cisco 10000 Series Routers

Known Affected Releases

12.2(31)ZV 12.2(31.4.58)SB 12.2(31.4.69)SB

Description (partial)

Symptoms: When dynamic bandwidth selection (DBS) is enabled on an ATM VC, 
policing on PPPoX sessions may exceed the configured policing rates.

Conditions: This symptom is observed on a Cisco 10000 series that functions 
as an Intelligent Service Gateway (ISG) when the following sequence of events 

1) Configure a QoS policy in the egress direction on the ATM VC that has DBS 

2) Bring up a PPPoX session and download the QU and QD values of the account 
information at the start of the session.

3) Bring up one more new session and then tear down this session.

After you have torn down the second session, traffic flowing through the 
first session may exceed the policing values that have been configured.
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