41
port-number
: Specifies the TCP port number for the Telnet service on the remote host. The value
range is 0 to 65535 and the default is 23.
vpn-instance
vpn-instance-name
: Specifies the MPLS L3VPN instance to which the remote host
belongs. The
vpn-instance-name
argument represents the VPN instance name, a case-sensitive
string of 1 to 31 characters. If the remote host belongs to the public network, do not specify this
option.
dscp
dscp-value
: Specifies a DSCP value for outgoing Telnet packets. The value range is 0 to 63.
The default is 48.
Usage guidelines
This command is not supported in FIPS mode.
To terminate the current Telnet connection, press
Ctrl+K
or execute the
quit
command.
Examples
# Telnet to the host at 5000::1.
<Sysname> telnet ipv6 5000::1
telnet server acl
Use
telnet server acl
to apply an ACL to filter Telnet logins.
Use
undo
telnet server acl
to restore the default.
Syntax
telnet server acl
acl-number
undo telnet server acl
Default
No ACL is used to filter Telnet logins.
Views
System view
Predefined user roles
network-admin
mdc-admin
Parameters
acl-number
: Specifies an ACL by its number:
•
Basic ACL
—2000 to 2999.
•
Advanced ACL
—3000 to 3999.
•
Ethernet frame header ACL
—4000 to 4999.
Usage guidelines
This command is not supported in FIPS mode.
Only one ACL can be used to filter Telnet logins, and only users permitted by the ACL can Telnet to
the device.
This command does not take effect on existing Telnet connections.
You can specify an ACL that has not been created yet in this command. The command takes effect
after the ACL is created.
For more information about ACL, see
ACL and QoS Configuration Guide
.