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Does the PA-A3 support constant bit rate (CBR) or real time variable bit rate (VBR-rt)?

April 26, 2017bit cbr constant pa-a3 rate support

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Does the PA-A3 support constant bit rate (CBR) or real time variable bit rate (VBR-rt)?

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A. Even though field feedback indicates fairly good accuracy for CBR and VBR-rt like configuration on PA-A3, Cisco does not claim true CBR and VBR-rt support due to the potential jitter issue which the port adapter might not be able to guarantee. However, there are customer networks that run this configuration. See Understanding the CBR Service Category for ATM VCs for application and platform support information.