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Cisco Broadband Cable Command Reference Guide
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Chapter 2 Cisco CMTS Configuration Commands
cable upstream fec-strength
cable upstream fec-strength
To override the forward error correction (FEC) setting specified in the modulation profile for this
upstream channel, use the
cable upstream fec-strength
command in cable interface configuration
mode. To restore the default value, use the
no
form of this command.
cable upstream
n
fec-strength
t-bytes
no
cable upstream
n
fec-strength
Syntax Description
Defaults
No default behavior or values
Command Modes
Interface configuration (cable interface only)
Command History
Examples
The following example shows how to configure the
cable upstream fec-strength
command:
router(config-if)#
cable upstream 2 fec-strength 3
Related Commands
n
Specifies the upstream port number. Valid values start with 0 for the
first upstream port on the cable interface line card.
t-bytes
Overrides the FEC strength specified in the modulation profile for
this upstream channel. Valid values are from 0 to 10, where:
•
0 disables FEC.
•
1 is the lowest FEC strength.
•
10 is the highest FEC strength.
Release
Modification
12.0(4)XI
This command was introduced.
12.1T
This command was deprecated and removed.
Command
Description
cable upstream
channel-width
Specifies an upstream channel width for a headend cable router.
cable upstream fec
Enables the upstream FEC.
cable upstream
hopping blind
Disables optimum frequency hopping on the Cisco uBR-MC16S and
Cisco uBR-MC5X20S/U cable interface line cards.
cable upstream
modulation-profile
Overrides modulation types specified in the modulation profile for the
specified upstream channel.