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cable service class
cable service class
To set parameters for DOCSIS 1.1 cable service class, use the cable service class command in global
configuration mode. To delete a service class or to remove a configuration, use the no form of the
command.
Syntax Description
class-index
activity-timeout
admission-timeout
downstream
grant-interval
grant-jitter
grant-size
grants-per-interval
max-burst
max-concat-burst
max-latency
max-rate
min-packet-size
min-rate
name
poll-interval
poll-jitter
priority
req-trans-policy
sched-type
Cisco Broadband Cable Command Reference Guide
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cable service class class-index [keyword-options]
no cable service class class-index [keyword-options]
Specifies the class ID for the class to be modified. Valid range is 1 to 255.
Specifies the activity timeout (0 to 65,535).
Specifies the admitted timeout (0 to 65,535).
Specifies that the service class is for the downstream direction (from the
CMTS to the CM). (The default direction is upstream.)
Specifies the grant interval (0 to 4,294,967,295 microseconds).
Specifies the grant jitter (0 to 4,294,967,295 microseconds).
Specifies the grant size (0 to 65,535 bytes).
Specifies the grants per interval (0 to 127 grants).
Specifies the maximum transmission burst (1522 to 4,294,967,295 bytes).
Note
Specifies the maximum concatenation burst (0 to 65,535 bytes).
Specifies the maximum latency allowed (0 to 4,294,967,295 microseconds).
Specifies the maximum rate (0 to 4,294,967,295 bps).
Specifies the minimum packet size for reserved rate (0 to 65,535 bytes).
Specifies the minimum rate (0 to 4,294,967,295 bps).
Specifies the service class name string.
Specifies the poll interval (0 to 4,294,967,295 microseconds).
Specifies the poll jitter (0 to 4,294,967,295 microseconds).
Specifies the priority (0 to 7, where 7 is the highest priority).
Specifies the request transmission policy bit field (0 to FFFFFFF in
hexadecimal).
Specifies the service class schedule type:
The recommended value range is 1600 to 1800 bytes. Using a value
of 0 or greater than 1800 bytes can cause latency issues for Voice-
over-IP. A value of less than 1522 bytes can prevent the upstream
transmission of large ethernet frames for any CM or CMTS not
implementing fragmentation.
2–Best-Effort Schedule Type
3–Non-Real-Time Polling Service Schedule Type (supported only in
Cisco 12.2(4)BC and later releases)
4–Real-Time Polling Service Schedule Type
5–Unsolicited Grant Service with Activity Detection Schedule Type
6–Unsolicited Grant Service Schedule Type
Chapter 2
Cisco CMTS Configuration Commands
OL-1581-08
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