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Does the ARM support traffic shaping?

April 26, 2017arm shaping support Traffic

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Does the ARM support traffic shaping?

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A. The original ARM (ARM I) does not support traffic shaping. It only supports unspecified bit rate (UBR). The ARM for 8510 MSR supports variable bit rate (VBR). The enhanced ARM (ARM II) only supports constant bit rate (CBR) traffic shaping which starts with Cisco IOS® Software Release 12.1(7a)EY. ARM does not support traffic shaping by itself. Shaping is achieved by configuring a Shaped or Hierarchical VP Tunnel (HVPT) on the ATM interface and directing the traffic from ARM through the tunnel. Once the tunnel is configured, all the service classes are supported. Traffic shaping is supported in the hardware with the help of a Traffic-Shaping Carrier Access Module (TSCAM) on the Catalyst 8510 MSR and LS1010.