- Table of Contents
-
- H3C Campus Fixed-Port Switches CLI-Based Quick Start Configuration Guide-6W101
- 01-H3C Devices CLI Reference
- 02-Login Management Quick Start Configuration Guide
- 03-Configuration File Management Quick Start Configruation Guide
- 04-Software Upgrade Quick Start Configuration Guide
- 05-Device Management Quick Start Configuration Guide
- 06-NTP Quick Start Configuration Guide
- 07-RBAC Quick Start Configuration Guide
- 08-IRF Quick Start Configuration Guide
- 09-Ethernet Interface Quick Start Configuration Guide
- 10-VLAN Quick Start Configuration Guide
- 11-Port Isolation Quick Start Configuration Guide
- 12-Loop Detection Quick Start Configuration Guide
- 13-QinQ Quick Start Configuration Guide
- 14-MAC Address Table Quick Start Configuration Guide
- 15-Ethernet Link Aggregation Quick Start Configuration Guide
- 16-Spanning Tree Quick Start Configuration Guide
- 17-DHCP Quick Start Configuration Guide
- 18-OSPF Quick Start Configuration Guide
- 19-Static Routing Quick Start Configuration Guide
- 20-Basic RIP Quick Start Configuration Guide
- 21-PBR Quick Start Configuration Guide
- 22-IGMP Snooping Quick Start Configuration Guide
- 23-Packet Filtering Quick Start Configuration Guide
- 24-QoS Quick Start Configuration Guide
- 25-IP Source Guard Quick Start Configuration Guide
- 26-SSH Quick Start Configuration Guide
- 27-Port Security Quick Start Configuration Guide
- 28-VRRP Quick Start Configuration Guide
- 29-PoE Quick Start Configuration Guide
- 30-Mirroring Quick Start Configuration Guide
- 31-Information Center Quick Start Configuration Guide
- 32-SNMP Quick Start Configuration Guide
- 33-LAN Networks Quick Start Configuration Guide
- Related Documents
-
Title | Size | Download |
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01-H3C Devices CLI Reference | 197.75 KB |
H3C Devices CLI Reference
Copyright © 2019-2022 New H3C Technologies Co., Ltd. All rights reserved.
No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of New H3C Technologies Co., Ltd.
Except for the trademarks of New H3C Technologies Co., Ltd., any trademarks that may be mentioned in this document are the property of their respective owners.
The information in this document is subject to change without notice.
Contents
Using the undo form of a command
Entering a text or string type value for an argument
Configuring and using command aliases
Enabling redisplaying entered-but-not-submitted commands
Understanding command-line syntax error messages
Using the command history feature
Managing and using the command history buffers
Repeating commands in the command history buffer for a user line
Pausing between screens of output
Numbering each output line from a display command
Filtering the output from a display command
Saving the output from a display command to a file
Viewing and managing the output from a display command effectively
Comware 7 CLI views
Introduction
The following information describes CLI views provided by Comware 7.
Commands are grouped in different views by feature. To use a command, you must enter its view.
CLI views are hierarchically organized, as shown in Figure 1. Each view has a unique prompt, from which you can identify where you are and what you can do. For example, the prompt [Sysname-vlan100] shows that you are in VLAN 100 view and can configure attributes for that VLAN.
You are placed in user view immediately after you log in to the CLI.
In user view, you can perform the following tasks:
· Perform basic operations including display, debug, file management, FTP, Telnet, clock setting, and reboot.
· Enter system view.
In system view, you can perform the following tasks:
· Configure settings that affect the device as a whole, such as the daylight saving time, banners, and hotkeys.
· Enter feature views.
For example, you can perform the following tasks:
¡ Enter interface view to configure interface parameters.
¡ Enter VLAN view to add ports to the VLAN.
¡ Enter user line view to configure login user attributes.
A feature view might have child views. For example, NQA operation view has the child view HTTP operation view.
To display all commands available in a view, enter a question mark (?) at the view prompt.
Entering a view
Enter different views as follows:
· You are placed in user view immediately after you log in to the CLI.
· To enter system view, use the system-view command in user view.
· To enter a feature view from system view, use the corresponding command. A feature view might have child views.
Exiting a view
Use one of the following methods to exit a view except user view, Tcl configuration view, Python shell view, public key code view, and public key view:
· Use the quit command to return to the upper-level view from a view.
· Use the return command to return to user view.
· Press Ctrl+Z to return to user view.
Using the quit command in user view terminates your connection to the device. The return command is not supported in user view.
To exit Tcl configuration view, Python shell view, public key code view, and public key view, use the following methods:
· To return to user view from Tcl configuration view, use the tclquit command.
· To return to user view from Python shell view, use the exit() command.
· To return to the upper-level view (public key view) from public key code view, use public-key-code end the command.
· To return to system view from public key view, use the peer-public-key end command.
Entering user view
You are placed in user view immediately after you log in to the CLI.
In user view, you can perform the following tasks:
· Perform basic operations including display, debug, file management, FTP, Telnet, clock setting, and reboot.
· Enter system view.
The prompt for user view is <system name>, for example, <Sysname>. You can configure the system name as needed.
Entering system view
To enter system view, use the system-view command in user view as follows:
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname]
In system view, you can configure settings that affect the device as a whole, such as the daylight saving time, banners, and hotkeys.
Entering a feature view
You can enter features from system view. For example:
· Enter Ethernet interface view as follows:
<Sysname> system-view
[Sysname] interface GigabitEthernet 1/0/1
[Sysname-GigabitEthernet1/0/1]
· Enter VLAN view as follows:
<Sysname> system-view
[Sysname] vlan 2
[Sysname-vlan2]
Related documentation
· CLI configuration in the fundamentals configuration guide for the device
· CLI commands in the fundamentals command reference for the device
Using the CLI
Introduction
The following information describes how to use the CLI.
Accessing the CLI online help
The CLI online help is context sensitive. Enter a question mark at any prompt or in any position of a command to display all available options.
To access the CLI online help, use one of the following methods:
· Enter a question mark at a view prompt to display the first keyword of every command available in the view. For example:
User view commands:
archive Archive configuration
arp Address Resolution Protocol (ARP) module
backup Backup the startup configuration file to a TFTP server
boot-loader Software image file management
...
· Enter a space and a question mark after a command keyword to display all available keywords and arguments.
¡ If the question mark is in the place of a keyword, the CLI displays all possible keywords, each with a brief description. For example:
<Sysname> terminal ?
debugging Enable to display debugging logs on the current terminal
logging Display logs on the current terminal
monitor Enable to display logs on the current terminal
¡ If the question mark is in the place of an argument, the CLI displays the description for the argument. For example:
<Sysname> system-view
[Sysname] interface vlan-interface ?
<1-4094> Vlan-interface interface number
[Sysname] interface vlan-interface 1 ?
<cr>
[Sysname] interface vlan-interface 1
<1-4094> is the value range for the argument. <cr> indicates that the command is complete and you can press Enter to use the command.
· Enter an incomplete keyword string followed by a question mark to display all keywords starting with that string. The CLI also displays the descriptions for the keywords. For example:
<Sysname> f?
fdisk Partition a storage medium
fixdisk Check and repair a storage medium
format Format a storage medium
free Release a connection
ftp Open an FTP connection
<Sysname> display ftp?
ftp FTP module
ftp-server FTP server information
ftp-user FTP user information
Using the undo form of a command
Most configuration commands have an undo form for the following tasks:
· Canceling a configuration.
· Restoring the default.
· Disabling a feature.
For example, the info-center enable command enables the information center. The undo info-center enable command disables the information center.
Entering a command
When you enter a command, you can perform the following tasks:
· Use keys or hotkeys to edit the command line.
· Use abbreviated keywords or keyword aliases.
Editing a command line
To edit a command line, use the keys listed in Table 1 or the hotkeys listed in Table 4. When you are finished, you can press Enter to execute the command.
The command edit buffer can contain a maximum of 511 characters. If the total length of a command line exceeds the limit after you press Tab to complete the last keyword or argument, the system does not complete the keyword.
Table 1 Command line editing keys
Keys |
Function |
Common keys |
If the edit buffer is not full, pressing a common key inserts a character at the cursor and moves the cursor to the right. The edit buffer can store up to 511 characters. Unless the buffer is full, all common characters that you enter before pressing Enter are saved in the edit buffer. |
Backspace |
Deletes the character to the left of the cursor and moves the cursor back one character. |
Left arrow key (←) |
Moves the cursor one character to the left. |
Right arrow key (→) |
Moves the cursor one character to the right. |
Up arrow key (↑) |
Displays the previous command in the command history buffer. |
Down arrow key (↓) |
Displays the next command in the command history buffer. |
Tab |
If you press Tab after typing part of a keyword, the system automatically completes the keyword. · If a unique match is found, the system displays the complete keyword. · If there is more than one match, press Tab multiple times to pick the keyword you want to enter. · If there is no match, the system does not modify what you entered but displays it again in the next line. |
The device supports the following special commands:
· #—Used by the system in a configuration file as separators for adjacent sections.
· version—Used by the system in a configuration file to indicate the software version information. For example, version 7.1. xxx, Release xxx.
These commands are special because of the following reasons:
· These commands are not intended for you to use at the CLI.
· You can enter the # command in any view or the version command in system view, or enter any values for them. For example, you can enter # abc or version abc. However, the settings do not take effect.
· The device does not provide any online help information for these commands.
Entering a text or string type value for an argument
A text type argument value can contain any characters except question marks (?).
A string type argument value can contain any printable characters except question marks (?).
· To include a quotation mark (") or backward slash (\) in a string type argument value, prefix the character with an escape key (\), for example, \" and \\.
· To include a blank space in a string type argument value, enclose the value in quotation marks, for example, ''my device''.
A specific argument might have more requirements. For more information, see the relevant command reference.
To enter a printable character, you can enter the character or its ASCII code in the range of 32 to 126.
Entering an interface type
You can enter an interface type in one of the following formats:
· Full spelling of the interface type.
· An abbreviation that uniquely identifies the interface type.
· Acronym of the interface type.
For a command line, all interface types are case insensitive. Table 2 shows the full spellings and acronyms of interface types.
For example, to use the interface command to enter the view of interface GigabitEthernet 1/0/1, you can enter the command line in the following formats:
· interface gigabitethernet 1/0/1
· interface g 1/0/1
· interface ge 1/0/1
Spaces between the interface types and interfaces are not required.
Table 2 Full spellings and acronyms of interface types
Full spelling |
Acronym |
Bridge-Aggregation |
BAGG |
Ethernet |
Eth |
EVI-Link |
EVI |
FiftyGigE |
50GE |
FortyGigE |
FGE |
FourHundredGigE |
400GE |
GigabitEthernet |
GE |
HundredGigE |
HGE |
InLoopBack |
InLoop |
LoopBack |
Loop |
M-Ethernet |
ME |
M-GigabitEthernet |
MGE |
Multicast Tunnel |
MTunnel |
NULL |
NULL |
Pex |
PEX |
RPR-Bridge |
RPR-B |
RPR-Router |
RPR-R |
Register-Tunnel |
REG |
Route-Aggregation |
RAGG |
SAN-Aggregation |
SAGG |
S-Channel |
S-Ch |
Schannel-Aggregation |
SCH-AGG |
Schannel-Bundle |
SCH-B |
Smartrate-Ethernet |
SGE |
Ten-GigabitEthernet |
XGE |
Tunnel |
Tun |
Tunnel-Bundle |
Tunnel-B |
TwentyGigE |
TGE |
Twenty-FiveGigE |
WGE |
Vfc |
Vfc |
Vsi-interface |
Vsi |
Vlan-interface |
Vlan-int |
Abbreviating commands
You can enter a command line quickly by entering incomplete keywords that uniquely identify the complete command. In user view, for example, commands starting with an s include startup saved-configuration and system-view. To enter the system-view command, you need to type only sy. To enter the startup saved-configuration command, type st s.
You can also press Tab to complete an incomplete keyword.
Configuring and using command aliases
About this task
You can configure one or more aliases for a command or the starting keywords of commands. Then, you can use the aliases to execute the command or commands. If the command or commands have undo forms, you can also use the aliases to execute the undo command or commands.
For example, if you configure the shiprt alias for display ip routing-table, you can enter shiprt to execute the display ip routing-table command. If you configure the ship alias for display ip, you can use ship to execute all commands starting with display ip, including:
· Enter ship routing-table to execute the display ip routing-table command.
· Enter ship interface to execute the display ip interface command.
The device provides a set of system-defined command aliases, as listed in Table 3.
Table 3 System-defined command aliases
Command alias |
Command or command keyword |
access-list |
acl |
end |
return |
erase |
delete |
exit |
quit |
hostname |
sysname |
logging |
info-center |
no |
undo |
show |
display |
write |
save |
Restrictions and guidelines
A command alias can be used only as the first keyword of a command or the second keyword of the undo form of a command.
After you successfully execute a command by using an alias, the system saves the command, instead of the alias, to the running configuration.
The command string can include up to nine parameters. Each parameter starts with the dollar sign ($) and a sequence number in the range of 1 to 9. For example, you can configure the alias shinc for the display ip $1 | include $2 command. Then, to execute the display ip routing-table | include Static command, you need to enter only shinc routing-table Static.
To use an alias for a command that has parameters, you must specify a value for each parameter. If you fail to do so, the system informs you that the command is incomplete and displays the command string represented by the alias.
System-defined command aliases cannot be deleted.
Procedure
1. Enter system view.
system-view
2. Configure a command alias.
alias alias command
By default, the device has a set of command aliases, as listed in Table 3.
3. (Optional.) Display command aliases.
display alias [ alias ]
This command is available in any view.
Configuring and using hotkeys
About this task
The device supports a set of hotkeys. Pressing a hotkey executes the command or function assigned to the hotkey. Table 4 shows the hotkeys and their default definitions. You can configure all the hotkeys except Ctrl+].
If a hotkey is also defined by the terminal software you are using to interact with the device, you can reconfigure the hotkey or remove the hotkey.
Restrictions and guidelines
A hotkey can correspond to only one command or function. If you assign multiple commands or functions to the same hotkey, the most recently assigned command or function takes effect.
A command or function can be assigned to multiple hotkeys. You can use any of the hotkeys to execute the command or function.
If a hotkey is also defined by the terminal software you are using to interact with the device, the terminal software definition takes effect.
Procedure
system-view
2. Assign a command to a hotkey.
hotkey hotkey { command | function function | none }
Table 4 shows the default definitions for the hotkeys.
3. (Optional.) Display hotkeys.
display hotkey
This command is available in any view.
Table 4 Default definitions for hotkeys
Function or command |
|
Ctrl+A |
move_the_cursor_to_the_beginning_of_the_line: Moves the cursor to the beginning of a line. |
Ctrl+B |
move_the_cursor_one_character_to_the_left: Moves the cursor one character to the left. |
Ctrl+C |
stop_the_current_command: Stops the current command. |
Ctrl+D |
erase_the_character_at_the_cursor: Deletes the character at the cursor. |
Ctrl+E |
move_the_cursor_to_the_end_of_the_line: Moves the cursor to the end of a line. |
Ctrl+F |
move_the_cursor_one_character_to_the_right: Moves the cursor one character to the right. |
Ctrl+G |
display current-configuration: Displays the running configuration. |
Ctrl+H |
erase_the_character_to_the_left_of_the_cursor: Deletes the character to the left of the cursor. |
Ctrl+L |
display ip routing-table: Displays the IPv4 routing table information. |
Ctrl+N |
display_the_next_command_in_the_history_buffer: Displays the next command in the history buffer. Password configuration commands, if any, are skipped. |
Ctrl+O |
undo debugging all: Disables all debugging functions. |
Ctrl+P |
display_the_previous_command_in_the_history_buffer: Displays the previous command in the history buffer. Password configuration commands, if any, are skipped. |
Ctrl+R |
redisplay_the_current_line: Redisplays the current line. |
Ctrl+T |
N/A |
Ctrl+U |
N/A |
Ctrl+W |
delete_the_word_to_the_left_of_the_cursor: Deletes the word to the left of the cursor. |
Ctrl+X |
delete_all_characters_from_the_beginning_of_the_line_to_the_cursor: Deletes all characters to the left of the cursor. |
Ctrl+Y |
delete_all_characters_from_the_cursor_to_the_end_of_the_line: Deletes all characters from the cursor to the end of the line. |
Ctrl+Z |
return_to_the_User_View: Returns to user view. |
Ctrl+] |
kill_incoming_connection_or_redirect_connection: Terminates the current connection. |
Esc+B |
move_the_cursor_back_one_word: Moves the cursor back one word. |
Esc+D |
delete_all_characters_from_the_cursor_to_the_end_of_the_word: Deletes all characters from the cursor to the end of the word. |
Esc+F |
move_the_cursor_forward_one_word: Moves the cursor forward one word. |
Enabling redisplaying entered-but-not-submitted commands
About this task
Your input might be interrupted by system information output. If redisplaying entered-but-not-submitted commands is enabled, the system redisplays your input after finishing the output. You can then continue entering the command line.
Procedure
1. Enter system view.
system-view
2. Enable redisplaying entered-but-not-submitted commands.
info-center synchronous
By default, the system does not redisplay entered-but-not-submitted commands.
For more information about this command, see information center commands in the network management and monitoring command reference for the device.
Understanding command-line syntax error messages
After you press Enter to submit a command, the command line interpreter examines the command syntax.
· If the command passes syntax check, the CLI executes the command.
· If the command fails syntax check, the CLI displays an error message.
Table 5 Common command-line syntax error messages
Syntax error message |
Cause |
% Unrecognized command found at '^' position. |
The keyword in the marked position is invalid. |
% Incomplete command found at '^' position. |
One or more required keywords or arguments are missing. |
% Ambiguous command found at '^' position. |
The entered character sequence matches more than one command. |
% Too many parameters found at '^' position. |
The entered character sequence contains excessive keywords or arguments. |
% Wrong parameter found at '^' position. |
The argument in the marked position is invalid. |
Using the command history feature
About command history buffers
The system automatically saves commands successfully executed by a login user to the following two command history buffers:
· Command history buffer for the user line.
· Command history buffer for all user lines.
Table 6 Comparison between the two types of command history buffers
Item |
Command history buffer for a user line |
Command history buffer for all user lines |
Which commands are saved in the buffer? |
Commands successfully executed by the current user of the user line. |
Commands successfully executed by all login users. |
Can commands in the buffer be displayed? |
Yes. |
Yes. |
Can commands in the buffer be recalled? |
Yes. |
No. |
Are buffered commands cleared when the user logs out? |
Yes. |
No. |
Is the buffer size adjustable? |
Yes. |
No. The buffer size is fixed at 1024. |
Command buffering rules
The system follows these rules when buffering commands:
· If you use incomplete keywords when entering a command, the system buffers the command in the exact form that you used.
· If you use an alias when entering a command, the system transforms the alias to the represented command or command keywords before buffering the command.
· If you enter a command in the same format multiple times in succession, the system buffers the command only once. If you enter a command in different formats multiple times, the system buffers each command format. For example, display cu and display current-configuration are buffered as two entries but successive repetitions of display cu create only one entry.
· To buffer a new command when a buffer is full, the system deletes the oldest command entry in the buffer.
Managing and using the command history buffers
Displaying the commands in command history buffers
To display the commands in command history buffers, execute the following commands in any view:
· Display the commands in command history buffers for a user line.
display history-command
· Display the commands in command history buffers for all user lines.
display history-command all
Recalling commands in the command history buffer for a user line
IMPORTANT: Password configuration commands cannot be recalled. |
Use up and down arrow keys to navigate to a command and press Enter.
Setting the size of the command history buffer for a user line
Use the history-command max-size command in user line or user line class view. For more information, see login management commands in the fundamentals command reference for the device.
Repeating commands in the command history buffer for a user line
About this task
You can recall and execute commands in the command history buffer for the current user line multiple times.
Restrictions and guidelines
The repeat command is available in any view. However, to repeat a command, you must first enter the view for the command. To repeat multiple commands, you must first enter the view for the first command.
The repeat command executes commands in the order they were executed.
The system starts a timer and waits for your interaction when it repeats an interactive command. If you do not provide the required information at prompt before the timer expires, the system skips the interactive command.
The system skips all password configuration commands.
Procedure
To repeat commands in the command history buffer for the current user line, execute the following command:
repeat [ number ] [ count times ] [ delay seconds ]
Controlling the CLI output
This section describes the CLI output control features that help you identify the desired output.
Pausing between screens of output
About this task
The device can automatically pause after displaying a specific number of lines if the output is too long to fit on one screen. At a pause, the device displays ----more----. You can use the keys described in Table 7 to display more information or stop the display.
You can also disable pausing between screens of output for the current session. Then, all output is displayed at one time and the screen is refreshed continuously until the final screen is displayed.
Table 7 Output controlling keys
Keys |
Function |
Space |
Displays the next screen. |
Enter |
Displays the next line. |
Ctrl+C |
Stops the display and cancels the command execution. |
<PageUp> |
Displays the previous page. |
<PageDown> |
Displays the next page. |
Disabling pausing between screens of output
To disable pausing between screens of output, execute the following command in user view:
screen-length disable
The default depends on the settings of the screen-length command in user line view. The following are the default settings for the screen-length command:
· Pausing between screens of output is enabled.
· The maximum number of lines to be displayed at a time is 24.
For more information about the screen-length command, see login management commands in the fundamentals command reference for the device.
This command is a one-time command and takes effect only for the current CLI session.
Numbering each output line from a display command
About this task
For easy identification, you can use the | by-linenum option to display a number for each output line from a display command.
Each line number is displayed as a 5-character string and might be followed by a colon (:) or hyphen (-). If you specify both | by-linenum and | begin regular-expression for a display command, a hyphen is displayed for all lines that do not match the regular expression.
Procedure
To number each output line from a display command, execute the following command in any view:
display command | by-linenum
Example
# Display information about VLAN 999, numbering each output line.
<Sysname> display vlan 999 | by-linenum
1: VLAN ID: 999
2: VLAN type: Static
3: Route interface: Configured
4: IPv4 address: 192.168.2.1
5: IPv4 subnet mask: 255.255.255.0
6: Description: For LAN Access
7: Name: VLAN 0999
8: Tagged ports: None
9: Untagged ports: None
Filtering the output from a display command
About this task
You can use the [ | [ by-linenum ] { begin | exclude | include } regular-expression ]&<1-128> option to filter the output from a display command.
· You can use the option to specify a maximum of 128 filter conditions. The system displays only output lines that meet all the conditions.
· by-linenum—Displays a number before each output line. You need to specify this keyword in only one filter condition.
· begin—Displays the first line matching the specified regular expression and all subsequent lines.
· exclude—Displays all lines not matching the specified regular expression.
· include—Displays all lines matching the specified regular expression.
· regular-expression—A case-sensitive string of 1 to 256 characters, which can contain the special characters described in Table 8.
Table 8 Special characters supported in a regular expression
Characters |
Meaning |
Examples |
^ |
Matches the beginning of a line. |
"^u" matches all lines beginning with "u". A line beginning with "Au" is not matched. |
$ |
Matches the end of a line. |
"u$" matches all lines ending with "u". A line ending with "uA" is not matched. |
. (period) |
Matches any single character. |
".s" matches "as" and "bs". |
* |
Matches the preceding character or string zero, one, or multiple times. |
"zo*" matches "z" and "zoo", and "(zo)*" matches "zo" and "zozo". |
+ |
Matches the preceding character or string one or multiple times. |
"zo+" matches "zo" and "zoo", but not "z". |
| |
Matches the preceding or succeeding string. |
"def|int" matches a line containing "def" or "int". |
( ) |
Matches the string in the parentheses, usually used together with the plus sign (+) or asterisk sign (*). |
"(123A)" matches "123A". "408(12)+" matches "40812" and "408121212", but not "408". |
\N |
Matches the preceding strings in parentheses, with the Nth string repeated once. |
"(string)\1" matches a string containing "stringstring". "(string1)(string2)\2" matches a string containing "string1string2string2". "(string1)(string2)\1\2" matches a string containing " string1string2string1string2". |
[ ] |
Matches a single character in the brackets. |
"[16A]" matches a string containing 1, 6, or A; "[1-36A]" matches a string containing 1, 2, 3, 6, or A (- is a hyphen). To match the character "]", put it immediately after "[", for example, []abc]. There is no such limit on "[". |
[^] |
Matches a single character that is not in the brackets. |
"[^16A]" matches a string that contains one or more characters except for 1, 6, or A, such as "abc". A match can also contain 1, 6, or A (such as "m16"), but it cannot contain these three characters only (such as 1, 16, or 16A). |
{n} |
Matches the preceding character n times. The number n must be a nonnegative integer. |
"o{2}" matches "food", but not "Bob". |
{n,} |
Matches the preceding character n times or more. The number n must be a nonnegative integer. |
"o{2,}" matches "foooood", but not "Bob". |
{n,m} |
Matches the preceding character n to m times or more. The numbers n and m must be nonnegative integers and n cannot be greater than m. |
" o{1,3}" matches "fod", "food", and "foooood", but not "fd". |
\< |
Matches a string that starts with the pattern following \<. A string that contains the pattern is also a match if the characters preceding the pattern are not digits, letters, or underscores. |
"\<do" matches "domain" and "doa". |
\> |
Matches a string that ends with the pattern preceding \>. A string that contains the pattern is also a match if the characters following the pattern are not digits, letters, or underscores. |
"do\>" matches "undo" and "cdo". |
\b |
Matches a word that starts with the pattern following \b or ends with the pattern preceding \b. |
"er\b" matches "never", but not "verb" or "erase". "\ber" matches "erase", but not "verb" or "never". |
\B |
Matches a word that contains the pattern but does not start or end with the pattern. |
"er\B" matches "verb", but not "never" or "erase". |
\w |
Same as [A-Za-z0-9_], matches a digit, letter, or underscore. |
"v\w" matches "vlan" and "service". |
\W |
Same as [^A-Za-z0-9_], matches a character that is not a digit, letter, or underscore. |
"\Wa" matches "-a", but not "2a" or "ba". |
\ |
Escape character. If a special character listed in this table follows \, the specific meaning of the character is removed. |
"\\" matches a string containing "\", "\^" matches a string containing "^", and "\\b" matches a string containing "\b". |
Restrictions and guidelines
The required filtering time increases with the complexity of the regular expression. To abort the filtering process, press Ctrl+C.
Examples
# Display the running configuration, starting from the first configuration line that contains line.
<Sysname> display current-configuration | begin line
line class aux
user-role network-admin
#
line class vty
user-role network-operator
#
line aux 0
user-role network-admin
#
line vty 0 63
authentication-mode none
user-role network-admin
user-role network-operator
#
...
# Display brief information about interfaces in up state.
<Sysname> display interface brief | exclude DOWN
Brief information on interfaces in route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface Link Protocol Primary IP Description
InLoop0 UP UP(s) --
NULL0 UP UP(s) --
Vlan1 UP UP 192.168.1.83
Brief information on interfaces in bridge mode:
Link: ADM - administratively down; Stby - standby
Speed: (a) - auto
Duplex: (a)/A - auto; H - half; F - full
Type: A - access; T - trunk; H - hybrid
Interface Link Speed Duplex Type PVID Description
GE1/0/1 UP 1000M(a) F(a) A 1
# Display SNMP-related running configuration lines.
<Sysname> display current-configuration | include snmp
snmp-agent
snmp-agent community write private
snmp-agent community read public
snmp-agent sys-info version all
snmp-agent target-host trap address udp-domain 192.168.1.26 params securityname public
# Display log entries in the log buffer that contain both SHELL and VTY.
<Sysname> display logbuffer | include SHELL | include VTY
%Sep 6 10:38:12:320 2018 Sysname SHELL/5/SHELL_LOGIN: VTY logged in from 169.254.100.171.
%Sep 6 10:52:32:576 2018 Sysname SHELL/5/SHELL_LOGOUT: VTY logged out from 169.254.100.171.
%Sep 6 16:03:27:100 2018 Sysname SHELL/5/SHELL_LOGIN: VTY logged in from 169.254.100.171.
%Sep 6 16:44:18:113 2018 Sysname SHELL/5/SHELL_LOGOUT: VTY logged out from 169.254.100.171.
Saving the output from a display command to a file
About this task
A display command shows certain configuration and operation information of the device. Its output might vary over time or with user configuration or operation. You can save the output to a file for future retrieval or troubleshooting.
Use one of the following methods to save the output from a display command:
· Save the output to a separate file. Use this method if you want to use one file for a single display command.
· Append the output to the end of a file. Use this method if you want to use one file for multiple display commands.
Procedure
To save the output from a display command to a file, use one of the following commands in any view:
· Save the output from a display command to a separate file.
display command > filename
· Append the output from a display command to the end of a file.
display command >> filename
Examples
# Save the VLAN 1 settings to a separate file named vlan.txt.
<Sysname> display vlan 1 > vlan.txt
# Verify that the VLAN 1 settings are saved to the file vlan.txt.
<Sysname> more vlan.txt
VLAN ID: 1
VLAN type: Static
Route interface: Not configured
Description: VLAN 0001
Name: VLAN 0001
Tagged ports: None
Untagged ports: None
# Append the VLAN 999 settings to the end of the file vlan.txt.
<Sysname> display vlan 999 >> vlan.txt
# Verify that the VLAN 999 settings are appended to the end of the file vlan.txt.
<Sysname> more vlan.txt
VLAN ID: 1
VLAN type: Static
Route interface: Not configured
Description: VLAN 0001
Name: VLAN 0001
Tagged ports: None
Untagged ports: None
VLAN ID: 999
VLAN type: Static
Route interface: Configured
IP address: 192.168.2.1
Subnet mask: 255.255.255.0
Description: For LAN Access
Name: VLAN 0999
Tagged ports: None
Untagged ports: None
Viewing and managing the output from a display command effectively
You can use the following methods in combination to filter and manage the output from a display command:
· Numbering each output line from a display command
· Filtering the output from a display command
· Saving the output from a display command to a file
Procedure
To use multiple measures to view and manage the output from a display command effectively, execute the following command in any view:
display command [ | [ by-linenum ] { begin | exclude | include } regular-expression ]&<1-128> [ > filename | >> filename ]
Examples
# Save the running configuration to a separate file named test.txt, with each line numbered.
<Sysname> display current-configuration | by-linenum > test.txt
# Append lines including snmp in the running configuration to the file test.txt.
<Sysname> display current-configuration | include snmp >> test.txt
# Display the first line that begins with user-group in the running configuration and all the following lines.
<Sysname> display current-configuration | by-linenum begin user-group
114: user-group system
115- #
116- return
// The colon (:) following a line number indicates that the line contains the string user-group. The hyphen (-) following a line number indicates that the line does not contain the string user-group.
Related documentation
· CLI configuration in the fundamentals configuration guide for the device.
· CLI commands in the fundamentals command reference for the device.