Cisco 7246 - uBR Router Manual de usuario descargar pdf (Pagina 24)

Command Reference

12.0(3)T

cable qos proﬁle

To conﬁgure a QoS proﬁle, use the cable qos proﬁle global conﬁguration command. Use the no

form of this command to either set default values for proﬁle group numbers 1 or 2, or remove the

QoS proﬁle if no speciﬁc parameters remain.

cable qos proﬁle {groupnum | guaranteed-upstream | max-burst | max-upstream |

max-downstream | priority | tos-overwrite | value}

no cable qos proﬁle {groupnum | guaranteed-upstream | max-burst | max-downstream | priority |

tos-overwrite | value}

Syntax Description

Default

No default behavior or values.

Command Mode

Global conﬁguration

groupnum QoS proﬁle group number. Qos proﬁles 1 and 2 are required by

the system. QoS proﬁle 1 is used during registration, and QoS

proﬁle 2 is the default QoS proﬁle. Both proﬁles are

preconﬁgured and cannot be removed. However, you can modify

these proﬁles.

guaranteed-upstream Guaranteed minimum upstream rate in kilobytes per second.

Valid values are from 0 to 100000. Default value is 0 (no reserved

rate).

max-burst Maximum upstream transmit burst size in bytes that the modem

can send for any single transmit burst. Valid values are from 0 to

255. Default value is 0 (no limit).

max-upstream Maximum upstream data rate in kilobytes per second that a

modem using this QoS proﬁle will receive. Valid values are from

0 to 255. Default value is 0 (no upstream rate limit).

max-downstream Maximum downstream data rate in kilobytes per second that a

modem using this QoS proﬁle will receive. Valid values are from

0 to 255. Default value is 0 (no downstream rate limit).

priority Relative priority number assigned to upstream trafﬁc by this QoS

proﬁle. Valid values are from 0 to 7, with 7 being the highest

priority. Default value is 0.

tos-overwrite Overwrite the Type of Service (TOS) ﬁeld in the IP datagrams

received on the upstream before forwarding them downstream (or

IP backbone). This parameter sets the hexadecimal mask bits to a

hexadecimal value. This helps the CMTS identify datagrams for

QoS on the backbone.

value The value substituted for the TOS value. See tos_overwrite.

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Cisco 7246 - uBR Router Manual de usuario Pagina 24