23service ubrSyntaxservice ubr output-pcrundo serviceViewPVC viewDefault level2: System levelParametersoutput-pcr: Peak cell rate (PCR) in kbps of outputting ATM cells. For the value ranges of this parameter,see Table 6.DescriptionUse the service ubr command to specify the service type on the current PVC as unspecified bit rate (UBR)and specify the related rate parameters.Use the undo service command to restore the default.The default service type of a PVC is UBR.You can configure the service type and related rate parameters for a PVC with this command, the servicevbr-nrt command, the service vbr-rt command, or the service cbr command. The new configuration willreplace the old configuration.Related commands: service vbr-nrt, service vbr-rt, and service cbr.Examples# Create a PVC named aa with the VPI/VCI of 1/101. system-view[Sysname] interface Atm 3/1/1[Sysname-Atm3/1/1] pvc aa 1/101# Specify the service type of the PVC as UBR and the PCR as 100000 kbps.[Sysname-atm-pvc-Atm3/1/1-1/101-aa] service ubr 100000service vbr-nrtSyntaxservice vbr-nrt output-pcr output-scr output-mbsundo serviceViewPVC viewDefault level2: System level