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To use scheme authentication, you must also complete the following tasks:
• Configure login authentication methods in ISP domain view.
• To use remote authentication, configure the scheme to be used.
• To use local authentication, configure a local user and the relevant attributes.
For more information, see Security Configuration Guide.
The next time you attempt to Telnet to the CLI, you must provide the configured login username and
password, as shown in Figure 7. If the
max
imum number of login users has been reached, your login
attempt fails and the message "All lines are used, please try later!" appears.
Figure 7 Scheme authentication interface for Telnet login
Setting the maximum number of concurrent Telnet users
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Set the maximum number
of concurrent Telnet users.
aaa session-limit telnet
max-sessions
By default, the maximum number of concurrent
Telnet users is 16.
Changing this setting does not affect online
users. If the current number of online Telnet users
is equal to or greater than the new setting, no
additional Telnet users can log in until online
users log out.
For more information about this command, see
Security Command Reference.
Setting the DSCP value for outgoing Telnet packets
The DSCP value is carried in the ToS/Traffic class field of an IP or IPv6 packet, and it indicates the
transmission priority of the packet.
To set the DSCP value for outgoing Telnet packets:
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Set the DSCP value for
outgoing Telnet
packets.
• For a Telnet server running IPv4:
telnet server dscp dscp-value
• For a Telnet server running IPv6:
telnet server ipv6 dscp dscp-value
By default, the DSCP value is 48.