3Com 3031 Command Reference Manual page 348

3com 3031: reference guide

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service vbr-nrt

Using the service ubr command, you can specify the service type of PVC as

Unspecified Bit Rate (UBR) and specify the related rate parameters.

By default, the service type is UBR after creating a PVC.

This command as well as the service vbr-nrt, service vbr-rt and service cbr

commands can be used to set the service type and service parameters of PVC. The

newly specified PVC service type will supersede the existing service type.

For the related commands, see service vbr-nrt, service vbr-rt, and service cbr.

Display how to create a PVC named "3Com" with VPI/VCI as 1/101.

[3Com-Atm1/0/0] service pvc 3Com 1/101

Display how to specify the service type of the PVC as ubr and the peak cell rate of

ATM cell as 100,000Kbps.

[3Com-atm-pvc-Atm1/0/0-1/101-3Com] service ubr 100000

service vbr-nrt output-pcr output-scr output-mbs

output-pcr: Peak rate of ATM cell output in Kbit/s. For the value ranges of this

parameter, see Value ranges of output-pcr.

output-scr: Sustainable rate of ATM cell output in Kbps. Its value ranges are the

same as those of output-pcr.

output-mbs: Maximum burst size of ATM cell output, i.e., the maximum cache size

of ATM cell output at the interface in cell number.

Using the service vbr-nrt command, you can specify the service type of PVC as

Variable Bit Rate-Non Real Time (VBR-NRT) and specify the related rate

By default, the service type is UBR after creating a PVC.

This command as well as the service ubr, service vbr-rt and service cbr commands

can be used to set the service type and service parameters of PVC. The newly

specified PVC service type will supercede the existing service type.

For the related commands, see service vbr-rt, service ubr, and service cbr.