HWtacas configurations dont work on eNSP

Dear ;

kindly note that i've configure the hwtacacs on router AR3200 V200R003C00 (on eNSP environement) , but it seems not working ;

NB : my tacacs server is in Vmware

<AR3200>display current-configuration 

[V200R003C00]

#

 sysname AR3200

#

 snmp-agent local-engineid 800007DB03000000000000

 snmp-agent 

#

 clock timezone China-Standard-Time minus 08:00:00

#

portal local-server load flash:/portalpage.zip

#

 drop illegal-mac alarm

#

domain huawei

#

 wlan ac-global carrier id other ac id 0

#

 set cpu-usage threshold 80 restore 75

#

hwtacacs-server template ht

 hwtacacs-server authentication 192.168.254.129

 hwtacacs-server authorization 192.168.254.129

 hwtacacs-server accounting 192.168.254.129

 hwtacacs-server source-ip 192.168.254.20

 hwtacacs-server shared-key cipher %$%$lzLFI.Oay/$_~2V`V2&4lWg9%$%$

#

aaa 

 authentication-scheme default

 authentication-scheme hwtacacs

  authentication-mode hwtacacs

 authorization-scheme default

 authorization-scheme hwtacacs

  authorization-mode hwtacacs

  authorization-cmd 3 hwtacacs

 accounting-scheme default

 accounting-scheme hwtacacs

  accounting-mode hwtacacs 

  accounting realtime 3

 domain default 

 domain default_admin 

 domain huawei  

  authentication-scheme hwtacacs 

  accounting-scheme hwtacacs

  authorization-scheme hwtacacs

 local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$

 local-user admin service-type http

#

firewall zone Local

 priority 15

#

interface GigabitEthernet0/0/0

 description g_0/0/0_to_Tacacs_server

 ip address 192.168.254.20 255.255.255.0 

#

interface GigabitEthernet0/0/1

#

interface GigabitEthernet0/0/2

#

interface NULL0

#

user-interface con 0

 authentication-mode password

user-interface vty 0 4

user-interface vty 16 20

#

wlan ac

#

return

<AR3200>