cli clear-history

Clears the command history of the current user.

Default

N/A

Configuration Mode

config

History

Example

switch (config) # cli clear-history

Notes

cli default {auto-logout <minutes> | paging enable | prefix-modes {enable | show-config} | progress enable | prompt {confirm-reload | confirm-reset | confirm-unsaved | empty-password}}
no cli default {auto-logout | paging enable | prefix-modes {enable | show-config} | progress enable prompt {confirm-reload | confirm-reset | confirm-unsaved | empty-password}

Configures default CLI options for this session only.
The no form of the command deletes or disables the default CLI options.

Syntax Description

auto-logout

Configures keyboard inactivity timeout for automatic logout. Range is 0-35791 minutes. Setting the value to 0 or using the no form of the command disables the auto-logout.

paging enable

Enables text viewing one screen at a time.

prefix-modes {enable | show-config}

Configures the prefix modes feature of CLI.

• “prefix-modes enable” enables prefix modes for current session
• “prefix-modes show-config” uses prefix modes in “show configuration” output for current session

progress enable

Enables progress updates.

prompt confirm-reload

Prompts for confirmation before rebooting.

prompt confirm-reset

Prompts for confirmation before resetting to factory state.

prompt confirm-unsaved

Confirms whether or not to save unsaved changes before rebooting.

prompt empty-password

Prompts for a password if none is specified in a pseudo-URL for SCP.

Default

N/A

Configuration Mode

config

History

Example

switch (config) # cli default prefix-modes enable

Notes

cli max-sessions <number>
no cli max-sessions

Configures the maximum number of simultaneous CLI sessions allowed.
The no form of the command resets this value to its default.

Syntax Description

number

Range: 3-30

Default

30 sessions

Configuration Mode

config

History

Example

switch (config) # cli max-sessions 40

Notes

cli session {auto-logout <minutes> | paging enable | prefix-modes enable | progress enable | terminal {length <size> | resize | type <terminal-type> | width} | x-display full <display>}
no cli session {auto-logout | paging enable | prefix-modes enable | progress enable | terminal type | x-display}

Configures CLI options for this session only.
The no form of the command deletes or disables the CLI sessions.

Syntax Description

minutes

Configures keyboard inactivity timeout for automatic logout.
Range: 0-35791 minutes
Setting the value to 0 or using the no form of the command disables the auto logout.

paging enable

Enables text viewing one screen at a time.

prefix-modes enable

Configures the prefix modes feature of CLI and enables prefix modes for current session.

progress enable

Enables progress updates.

terminal length

Sets the number of lines for the current terminal.
Range: 5-999

terminal resize

Resizes the CLI terminal settings (to match the actual terminal window).

terminal-type

Sets terminal type. Valid options are:

• ansi
• console
• dumb
• linux
• unknown
• vt52
• vt100
• vt102
• vt220
• xterm

terminal width

Sets the width of the terminal in characters.
Range: 34-999

x-display full <display>

Specifies the display as a raw string (e.g. localhost:0.0).

Default

N/A

Configuration Mode

config

History

Example

switch (config) # cli session auto-logout

Notes

The "minutes" attribute can be configured from the CLI shell only.

terminal {length <number of lines> | resize | type <terminal type> | width <number of characters>}
no terminal type

Configures default CLI options for this session only.
The no form of the command clears the terminal type.

Syntax Description

length

Sets the number of lines for this terminal.
Range: 5-999

resize

Resizes the CLI terminal settings (to match with real terminal).

type

Sets the terminal type.
Possible values: ansi, console, dumb, linux, screen, vt52, vt100, vt102, vt220, xterm.

width

Sets the width of this terminal in characters.
Range: 34-999

Default

N/A

Configuration Mode

config

History

Example

switch (config) # terminal length 500

Notes

terminal sysrq enable
no terminal sysrq enable

Enable SysRq over the serial connection (RS232 or Console port).
The no form of the command disables SysRq over the serial connection (RS232 or Console port).

Syntax Description

N/A 

Default

Disabled

Configuration Mode

config

History

Example

switch (config) # terminal sysrq enable

Notes

show cli

Displays the CLI configuration and status.

Syntax Description

N/A

Default

N/A

Configuration Mode

Any command mode

History

Example

switch (config) # show cli
CLI current session settings:
Maximum line size: 8192
Terminal width: 171 columns
Terminal length: 38 rows
Terminal type: xterm
X display setting: (none)
Auto-logout: disabled
Paging: enabled
Progress tracking: enabled
Prefix modes: disabled
 
CLI defaults for current session:
Auto-logout: disabled
Paging: enabled
Progress tracking: enabled
Prefix modes: enabled (and use in 'show configuration')
 
Settings for current session:
Show hidden config: yes
Confirm losing changes: yes
Confirm reboot/shutdown: no
Confirm factory reset: yes
Prompt on empty password: yes

Notes

show cli max-sessions

Displays maximum number of sessions.

Syntax Description

N/A 

Default

N/A

Configuration Mode

Any command mode

History

Example

switch (config) # show cli max-sessions

Maximum number of CLI sessions: 5

Notes

show cli num-sessions

Displays current number of sessions.

Syntax Description

N/A

Default

N/A

Configuration Mode

Any command mode

History

Example

switch (config) # show cli num-sessions

Current number of CLI sessions: 40

Notes

banner login <string>
no banner login

Sets the CLI welcome banner message.
The no form of the command resets the system login banner to its default.

Syntax Description

N/A

Default

Configuration Mode

Any command mode

History

Example

switch (config) # banner login Example

Notes

 If more than one word is used (there is a space) quotation marks should be added (i.e., “xxxx xxxx”).

banner logout-local <string>
no banner logout-local

Sets system logout local banner.
The no form of the command resets the banner to its default value.

switch (config) # banner logout-local Example

• The logout-local refers to the serial connection banner
• If more than one word is used (there is a space) quotation marks should be added (i.e., “xxxx xxxx”). 

banner logout-remote <string>
no banner logout-remote

Sets system logout remote banner.
The no form of the command resets the banner to its default value.

switch (config) # banner logout-remote Example

• The logout-remote refers to SSH connections banner
• If more than one word is used (there is a space) quotation marks should be added (i.e., “xxxx xxxx”).

banner motd <string>
no banner motd

Configures the message of the day banner.
The no form of the command resets the system Message of the Day banner.

switch (config) # banner motd “My Banner”

• If more than one word is used (there is a space) quotation marks should be added (i.e., “xxxx xxxx”).
• To insert a multi-line MotD, hit Ctrl-V (escape sequence) followed by Ctrl-J (new line sequence). The symbol “^J” should appear. Then, whatever is typed after it becomes the new line of the MotD. Remember to also include the string between quotation marks.

ssh server enable
no ssh server enable

Enables the SSH server.
The no form of the command disables the SSH server.

switch (config) # ssh server enable

Disabling SSH server does not terminate existing SSH sessions, it only prevents new ones from being established.

ssh server host-key {<key-type> {private-key <private-key>| public-key <public-key>} | generate}

Configures host keys for SSH.

• rsa2—RSAv2
• dsa2—DSAv2

switch (config) # ssh server host-key dsa2 private-key
Key: ***********************************************
Confirm: ***********************************************

ssh server listen {enable | interface <inf>}
no ssh server listen {enable | interface <inf>}

Enables the listen interface restricted list for SSH. If enabled, and at least one non-DHCP interface is specified in the list, the SSH connections are only accepted on those specified interfaces.
The no form of the command disables the listen interface restricted list for SSH. When disabled, SSH connections are not accepted on any interface.

Enables SSH interface restrictions on access to this system.

switch (config) # ssh server listen enable

ssh server login attempts <number>
no ssh server login attempts

Configures maximum login attempts on SSH server.
The no form of the command resets the login attempts value to its default.

Range: 3-100 attempts

switch (config) # ssh server login attempts 5

• The number configured with this command will be relevant only if it is equal or smaller than the number of password prompts
• Be aware that the "aaa authentication attempts lockout max-fail" default is 5, and the user might be locked before this command will have an affect. Both numbers need to be configured

ssh server login timeout <time>
no ssh server login timeout

Configures login timeout on SSH server.
The no form of the command resets the timeout value to its default.

Range: 1-600 seconds

switch (config) # ssh server login timeout 130

ssh server login record-period <days> no ssh server login record-period

Configures the amount of days for counting the number of successful logins.
The no form of the command disabled this function.

Range: 1-30 days
Default: 1 day

switch (config) # ssh server login record-period 1

ssh server min-version <version>
no ssh server min-version

Sets the minimum version of the SSH protocol that the server supports.
The no form of the command resets the minimum version of SSH protocol supported.

Possible versions are 1 and 2

switch (config) # ssh server min-version 2

ssh server ports {<port1> [<port2>...]}

Specifies which ports the SSH server listens on.

Port number between [1-65535]

switch (config) # ssh server ports 22

• Multiple ports can be specified by repeating the <port> parameter
• The command will remove any previous ports if not listed in the command

ssh server ports {<port1> [<port2>...]}

Enables strict security settings.
The no form of the command disables strict security settings.

switch (config) # ssh server security strict

The following ciphers are disabled for SSH when strict security is enabled:

• aes256-cbc
• aes192-cbc
• aes128-cbc
• rijndael-cbc@lysator.liu.se
• 3des-cbc

ssh server tcp-forwarding enable

Enables TCP port forwarding.
The no form of the command disables TCP port forwarding.

switch (config) # ssh server tcp-forwarding enable

ssh server x11-forwarding enable
no ssh server x11-forwarding enable

Enables X11 forwarding on the SSH server.
The no form of the command disables X11 forwarding.

switch (config) # ssh server x11-forwarding enable

ssh client global {host-key-check <policy>} | known-host <known-host-entry>}
no ssh client global {host-key-check | known-host localhost}

Configures global SSH client settings.
The no form of the command negates global SSH client settings.

• If set to “no” it always permits connection, and accepts any new or changed host keys without checking
• If set to “ask” it prompts user to accept new host keys, but does not permit a connection if there was already a known host entry that does not match the one presented by the host
• If set to “yes” it only permits connection if a matching host key is already in the known hosts file

switch (config) # ssh client global host-key-check no
switch (config) # ssh client global known-host "72.30.2.2 ssh-rsa AAAAB3NzaC1yc2EAAAAB....f2CyXFq4pzaR1jar1Vk="

show ssh client

slogin [<slogin options>] <hostname>

Invokes the SSH client. The user is returned to the CLI when SSH finishes.

-p
-c
-L
-l
-m
-R
-o

-1
-2
-4
-6
-g
-q
-V
-v
-x
-X
-Y
-y
-a
-A

-o flags (option allowed flags):

    AdressFamily
    BatchMode
    CheckHostIP
    Cipher
    Ciphers
    ConnectTimeout
    ForwardAgent
    ForwardX11
    ForwardX11Trusted
    HostKeyAlgorithms
    KexAlgorithms
    LogLevel
    MACs
    Port
    PubkeyAcceptedKeyTypes
    PubkeyAuthentication
    StrictHostKeyChecking
    TCPKeepAlive
    User
    VerifyHostKeyDNS

switch (config) # slogin 192.168.10.70
The authenticity of host '192.168.10.70 (192.168.10.70)' can't be established.
RSA key fingerprint is 2e:ad:2d:23:45:4e:47:e0:2c:ae:8c:34:f0:1a:88:cb.
Are you sure you want to continue connecting (yes/no)? yes

show ssh client

Displays the client configuration of the SSH server.

switch (config) # show ssh client
SSH client Strict Hostkey Checking: ask
 
SSH Global Known Hosts:
Entry 1: 72.30.2.2
Finger Print: 1e:b7:8b:ec:ab:35:98:be:6b:d6:12:c2:18:72:12:d6
 
No SSH user identities configured.
 
No SSH authorized keys configured.

show ssh server

Displays SSH server configuration.

switch (config) # show ssh server
SSH server configuration:
SSH server enabled: yes
Server security strict mode: no
Minimum protocol version: 2
TCP forwarding enabled: yes
X11 forwarding enabled: no
SSH login timeout: 120
SSH login max attempts: 6
SSH server login record-period: 1
SSH server ports: 22

 
Interface listen enabled: yes
Listen Interfaces:
No interface configured.
 
Host Key Finger Prints and Key Lengths:
RSA v2 host key: SHA256:gVu6qLW1ZifEp8wRer2jkvILZMGNl6VCYU3HqC1INC8 (2048)
DSA v2 host key: SHA256:JnldTEla20ZF/c5LdIqo9251DzO742k3hFCQh3Jt4ZA (1024)

show ssh server host-keys

Displays SSH host key configuration.

switch (config) # show ssh server host-keys
SSH server configuration:
SSH server enabled: yes
Server security strict mode: no
Minimum protocol version: 2
TCP forwarding enabled: yes
X11 forwarding enabled: no
SSH login timeout: 120
SSH login max attempts: 6
SSH server ports: 22

Interface listen enabled: yes
Listen Interfaces: No interface configured.

Host Key Finger Prints and Key Lengths:
RSA v2 host key: SHA256:gVu6qLW1ZifEp8wRer2jkvILZMGNl6VCYU3HqC1INC8 (2048)
DSA v2 host key: SHA256:JnldTEla20ZF/c5LdIqo9251DzO742k3hFCQh3Jt4ZA (1024)

Host Keys:
RSA v2 host key: "kebo-2100-1 ssh-rsa AAAAB3Nza<...>KE5"
DSA v2 host key: "kebo-2100-1 ssh-dss AAAAB3Nza<...>/s="

show ssh server login record-period

Displays the amount of days for counting the number of successful logins.(Default: 30 days)

switch (config) # show ssh server login record-period
SSH server login record-period: 1

telnet

Logs into another system using telnet.

switch (config) # telnet

telnet>

telnet-server enable
no telnet-server enable

Enables the telnet server.
The no form of the command disables the telnet server.

switch (config) # telnet-server enable

telnet-server
show telnet-server

show telnet-server

Displays telnet server settings.

switch (config) # show telnet-server
Telnet server enabled: yes

telnet-server
show telnet-server