Cisco uBR10-SRP-OC12SML Specifications download pdf (Page 45)

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Cisco uBR10012 Universal Broadband Router Software Configuration Guide

OL-1520-08

Chapter1 Overview of CiscouBR10012 Universal Broadband Router Software

Supported Software Features for the CiscouBR10012 Router

Syntax Description

To display ERBA settings as applied to DOCSIS 1.0 cable modems and QoS profiles on the Cisco

CMTS, use the show cable qos profile command in Privileged EXEC mode.

The following example of the cable qos profile command in global configuration mode illustrates

changes to the cable qos profile command. Fields relating to the ERBA feature are shown in bold for

illustration:

Router(config)# cable qos pro 10 ?

grant-interval Grant interval

grant-size Grant size

guaranteed-upstream Guaranteed Upstream

max-burst Max Upstream Tx Burst

max-ds-burst Max Downstream Tx burst (cisco specific)

max-downstream Max Downstream

max-upstream Max Upstream

name QoS Profile name string (cisco specific)

priority Priority

privacy Cable Baseline Privacy Enable

tos-overwrite Overwrite TOS byte by setting mask bits to value

The following example of the show cable qos profile command illustrates that the maximum

downstream burst has been defined, and is a management-created QoS profile:

Router# show cable qos pro

ID Prio Max Guarantee Max Max TOS TOS Create B IP prec.

upstream upstream downstream tx mask value by priv rate

bandwidth bandwidth bandwidth burst enab enab

1 0 0 0 0 0 0xFF 0x0 cmts(r) no no

2 0 64000 0 1000000 0 0xFF 0x0 cmts(r) no no

3 7 31200 31200 0 0 0xFF 0x0 cmts yes no

4 7 87200 87200 0 0 0xFF 0x0 cmts yes no

6 1 90000 0 90000 1522 0xFF 0x0 mgmt yes no

10 1 90000 0 90000 1522 0x1 0xA0 mgmt no no

50 0 0 0 96000 0 0xFF 0x0 mgmt no no

51 0 0 0 97000 0 0xFF 0x0 mgmt no no

The following example illustrates the maximum downstream burst size in sample QoS profile 10 with

the showcableqos prof verbose command in privileged EXEC mode:

Router# show cable qos pro 10 ver

Profile Index 10

Name

Upstream Traffic Priority 1

Upstream Maximum Rate (bps) 90000

Upstream Guaranteed Rate (bps) 0

Unsolicited Grant Size (bytes) 0

Unsolicited Grant Interval (usecs) 0

Upstream Maximum Transmit Burst (bytes) 1522

Downstreamam Maximum Transmit Burst (bytes) 100000

IP Type of Service Overwrite Mask 0x1

IP Type of Service Overwrite Value 0xA0

Downstream Maximum Rate (bps) 90000

Created By mgmt

Baseline Privacy Enabled no

Usage Guidelines If a cable modem registers with a QoS profile that matches one of the existing QoS profiles on the Cisco

CMTS, then the maximum downstream burst size, as defined for that profile, is used instead of the

default DOCSIS QoS profile of 1522.

burst-size The QoS profile’s downstream burst size in bytes.

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Cisco uBR10-SRP-OC12SML Specifications Page 45

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