Chapter 45: CLI Overview
STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 1108
value you need, type it without losing your place in the argument. Leave a space between the keyword and the question
mark. The question mark will not invalidate the command.
When using context-sensitive help, the space (or lack of a space) before the question mark (?) is significant. To obtain a list
of commands that begin with a particular character sequence, type in those characters followed immediately by the
question mark (?). Do not include a space.
Interactive Mode help
The use of help and the ? mark in interactive mode are not the same. To list the options available for a specific command,
type help at the prompt. To see all the enhanced options, enter a space, question mark (?) followed by the enter key. The
behavior differences are shown in the two examples below:
Example 1
C4(config)# interface cable 15/0
Entering cable interface configuration mode for slot 15 MAC port 0
C4(config-cable)# help
authorization-module - Modify authorization module values
cable - Downstream and upstream parameter configuration
description - Interface specific description
igmp - Static join a multicast group on this port
ip - IP address of Cable Interface
proxy-arp - Enable proxy ARP for this cable interface
restore - Restore the CAM interface
restricted-proxy-arp - Restrict proxy ARP to CPEs behind different CMs
shutdown - Shutdown both the MAC and Downstream for the interface
spare-group - Configure a CAM sparing group
subscriber - Commands for subscriber management
voice-limits - Set voice data limits
<cr>
Example 2
While in interactive mode, if you enter a space and then a question mark (?) followed by the enter key, a list of commands
along with the available show commands will display as shown below. The additional information that you get by using ?
instead of help is shown in bold.
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