3Com 3031 Command Reference Manual page 347

3com 3031: reference guide

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cdvt_value: cell delay variation tolerance, in ìs, and the range of the value is 0 to

Using the service cbr command, you can specify PVC service type as constant bit

By default, the service type is UBR after creating a PVC. When the value of cdvt is

not specified, it is 500ìs by default.

This command is used to set the PVC service type and parameter. The newly

specified PVC service type will replace the existing service type. It is recommended

that the PVC with larger bandwidth be created first and then the one with smaller

bandwidth. If the creation fails, the cdvt_value can be adjusted larger to create the

PVC once more. The above case will be prompted in the command line, as follows:

"fail to set service parameter, please adjust cdvt value"

The command does not support ATM E1 interface and ATM E3 interface.

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

Create a PVC named "3Com" with VPI/VCI as 1/101.

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

Specify the service type of the PVC as cbr and the peak rate of ATM cell as

50,000Kbits/s.Cell delay variation tolerance is 1000ìs.

[3Com-atm-pvc-Atm1/0/0-1/101-3Com] service cbr 50000 cdvt 1000

service ubr output-pcr

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

parameter, see Value ranges of output-pcr.

ATM Configuration Commands

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