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Setting the maximum number of concurrent Telnet users
Step
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
The default is 32.
Changing this setting does not affect users who
are currently online. If the new limit is less than
the number of online Telnet users, no additional
users can Telnet in until the number drops
below the new limit.
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 or Traffic class field of an IP or IPv6 packet to indicate the
transmission priority of the packet.
To set the DSCP value for outgoing Telnet packets:
Step
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.
Specifying the Telnet service port number
You can use this feature to change the Telnet service port number.
To specify the Telnet service port number:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Specify the Telnet service
port number.
•
In an IPv4 network:
telnet server port port-number
•
In an IPv6 network:
telnet server ipv6 port port-number
By default, the Telnet
service port number is
23.
Configuring common VTY line settings
For a VTY line, you can specify a command that is to be automatically executed when a user logs in.
After executing the specified command, the system automatically disconnects the Telnet session.
Typically, you configure the
auto-execute command telnet X.X.X.X
command on the device so the
device redirects a Telnet user to the host at X.X.X.X. The connection to the current device is closed
when the user terminates the Telnet connection to X.X.X.X.
To configure common settings for VTY lines:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
Содержание FlexNetwork 10500 Series
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