8.1.8 Setting of login banner

By setting login banners with the banner configuration command, you can display messages before and after a user logs in to the Switch from the console, or from a Telnet or FTP client running on a remote operation terminal.

Points to note

The following pre-login message can be presented when a Telnet or FTP client running on a remote operation terminal connects to the Switch over the network:

##########################################
Warning!!! Warning!!! Warning!!!
This is our system. You should not login.
Please close connection.
##########################################

Command examples

(config)# banner login plain-text

--- Press CTRL+D or only '.' line to end ---

##########################################

Warning!!! Warning!!! Warning!!!

This is our system. You should not login.

Please close connection.

##########################################

.

Type the pre-login screen message.

After typing the message, enter a line containing a period (.) only, or press Ctrl + D.
(config)# show banner

banner login encode "IyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjCldhcm5pbmchISEgV2FybmluZyEhISBXYXJuaW5nISEhClRoaXMgaXMgb3VyIHN5c3RlbS4gWW91IHNob3VsZCBub3QgbG9naW4uClBsZWFzZSBjbG9zZSBjb25uZWN0aW9uLgojIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMK"

The message you entered is encoded automatically.
(config)# show banner login plain-text

##########################################

Warning!!! Warning!!! Warning!!!

This is our system. You should not login.

Please close connection.

##########################################

(config)#

To check the banner message in text format, specify the plain-text parameter in the show banner login command.

After the setting is completed, connect to the Switch from telnet or ftp client of the remote operation terminal. After connecting, a message is displayed on the client.

Figure 8-6 Example of connecting from a remote operation terminal to this equipment (when connecting via telnet)
> telnet 10.10.10.10 Trying 10.10.10.10... Connected to 10.10.10.10. Escape character is '^]'. ########################################## Warning!!! Warning!!! Warning!!! This is our system. You should not login. Please close connection. ########################################## login:

Figure 8-6 Example of connecting from a remote operation terminal to this equipment (when connecting via telnet)

> telnet 10.10.10.10
Trying 10.10.10.10...
Connected to 10.10.10.10.
Escape character is '^]'.
 
##########################################
Warning!!! Warning!!! Warning!!!
This is our system. You should not login.
Please close connection.
##########################################
login:

Figure 8-7 Example of connecting from a remote operation terminal to this equipment (when connected by ftp)
> ftp 10.10.10.10 Connected to 10.10.10.10. 220- ########################################## Warning!!! Warning!!! Warning!!! This is our system. You should not login. Please close connection. ########################################## 220 10.10.10.10 FTP server ready. Name (10.10.10.10:staff):

Figure 8-7 Example of connecting from a remote operation terminal to this equipment (when connected by ftp)

> ftp 10.10.10.10
Connected to 10.10.10.10.
220-
##########################################
Warning!!! Warning!!! Warning!!!
This is our system. You should not login.
Please close connection.
##########################################
220 10.10.10.10 FTP server ready.
Name (10.10.10.10:staff):