4-3
Configuration procedure
# Assign an IP address to Device to make Device be reachable from Host A and HWTACACS server
respectively. The configuration is omitted.
# Enable the telnet service on Device.
<Device> system-view
[Device] telnet server enable
# Set to use username and password authentication when users use VTY 0 to log in to Device. The
command that the user can execute depends on the authentication result.
[Device] user-interface vty 0 4
[Device-ui-vty0-4] authentication-mode scheme
# Enable command authorization to restrict the command level for login users.
[Device-ui-vty0-4] command authorization
[Device-ui-vty0-4] quit
# Create a HWTACACS scheme named tac and configure the IP address and UDP port for the primary
authorization server for the scheme. Ensure that the port number be consistent with that on the
HWTACACS server. Set the shared key for authentication packets to expert for the scheme and the
HWTACACS server type of the scheme to standard. Specify Device to remove the domain name in the
username sent to the HWTACACS server for the scheme.
[Device] hwtacacs scheme tac
[Device-hwtacacs-tac] primary authentication 192.168.2.20 49
[Device-hwtacacs-tac] primary authorization 192.168.2.20 49
[Device-hwtacacs-tac] key authentication expert
[Device-hwtacacs-tac] key authorization expert
[Device-hwtacacs-tac] server-type standard
[Device-hwtacacs-tac] user-name-format without-domain
[Device-hwtacacs-tac] quit
# Configure the default ISP domain system to use HWTACACS scheme tac for login users and use
local authorization as the backup.
[Device] domain system
[Device-isp-system] authentication login hwtacacs-scheme tac local
[Device-isp-system] authorization command hwtacacs-scheme tac local
[Device-isp-system] quit
# Add a local user named monitor, set the user password to 123, and specify to display the password in
cipher text. Authorize user monitor to use the telnet service and specify the level of the user as 1, that
is, the monitor level.
[Device] local-user monitor
[Device-luser-admin] password cipher 123
[Device-luser-admin] service-type telnet
[Device-luser-admin] authorization-attribute level 1
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