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Cisco Broadband Cable Command Reference Guide
OL-1581-08
Chapter 2 Cisco CMTS Configuration Commands
option
option
To create a DOCSIS configuration file that specifies vendor-specific information fields, or other options
that are not available through the other
cable config-file
commands, use the
option
command in cable
config-file configuration mode. To remove the entry for this option, use the
no
form of this command.
option
n
[
instance
inst-num
] {
ascii
string |
hex
hexstring |
ip
ip-address
}
no option
n
Syntax Description
Defaults
No default behaviors or values
Command Modes
Cable config-file configuration
Command History
Usage Guidelines
The DOCSIS specification provides for a great many options and parameters in the DOCSIS
configuration files. In particular, it allows unspecified vendor-specific options that can vary from vendor
to vendor and from model to model. To create a DOCSIS configuration file that references these options,
use the
option
command.
The
option
command allows you to specify configuration file parameters that are not defined by the
other
cable config-file
options. These options are defined in the DOCSIS Radio Frequency (RF)
Interface Specification. However, certain options are not allowed because they are either reserved for
DOCSIS use or because they are specified using other
cable config-file
commands.
n
Specifies the configuration file option code. Valid range is 5 to 254.
Note
Certain values between 5 and 254 are not allowed. See
Table 2-19
for
more information.
instance
inst-num
(Optional) Specifies the instance of this option, so that you can give the same
option multiple times. Valid range is 0 to 255.
ascii
string
Specifies that the data is a network verification tool (NVT) ASCII string. If
the string contains white space, you must surround it with quotation marks.
hex
hexstring
Specifies the data as a raw hexadecimal string. Each byte in the hexadecimal
string is two hexadecimal digits—each byte can be separated by a period,
colon, or white space. A maximum of 254 bytes can be specified.
Note
The
hex
option must be used to specify the data in the DOCSIS
Type/Length/Value (TLV) format when using the vendor-specific
option (
option 43
).
ip
ip-address
Specifies an IP address.
Release
Modification
12.1(2)EC1
This command was introduced.
12.2(4)BC1
Support was added to the Release 12.2 BC train.
Содержание Broadband Cable
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