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3850 tacacs not accepting enable mode

amit bhatnagar
Level 1
Level 1

hello , 

I have new 3850 stack added to network 

we have local enable secret on the device which works fine even for remote management. 

But when I add the tactics key the tactics credeteinals  takes me to user level but doesnt work on enable level . 

even local credentials don't work when we have tacacs key present . 

below is the config

enable secret 5 xxxxx.

!

aaa new-model

!

!

aaa authentication attempts login 20

aaa authentication login default group tacacs+ enable

aaa authentication enable default group tacacs+ enable

aaa authorization exec default group tacacs+ if-authenticated 

aaa accounting exec default start-stop group tacacs+

aaa accounting commands 15 default start-stop group tacacs+

aaa accounting connection default start-stop group tacacs+

!

aaa session-id common

tacacs-server host x.x.x.x

tacacs-server host y.y.y.y

tacacs-server timeout 10

tacacs-server directed-request

ip tacacs source-interface Vlan x

 

line vty 0 4

 access-class x in

 exec-timeout 15 0

 logging synchronous

 transport input ssh

 transport output telnet ssh

 

 

1 Reply 1

Mark Malone
VIP Alumni
VIP Alumni

try this

aaa authentication attempts login 20

aaa authentication login default group tacacs+ local enable

aaa authentication enable default group tacacs+ local

aaa authorization exec default group tacacs+ local

.................................

heres a working tacacs off my 38s , you could tweak either

aaa group server tacacs+ xtacacs
 server-private x.x.x.x key 7 151F4E36366F237D2A64637F404632483002187F7D
 server-private x.x.x.x key 7 141A57313E412272267F65687152235D3255177E76
 ip vrf forwarding Mgmt-vrf
 ip tacacs source-interface GigabitEthernet0/0
!
aaa authentication login default group xtacacs local enable
aaa authentication enable default group xtacacs enable
aaa authorization exec default group xtacacs local
aaa accounting exec default start-stop group xtacacs
aaa accounting commands 0 default start-stop group xtacacs
aaa accounting commands 1 default start-stop group xtacacs
aaa accounting commands 15 default start-stop group xtacacs
aaa accounting network default start-stop group xtacacs
aaa accounting connection default start-stop group xtacacs
aaa accounting system default start-stop group xtacacs
!

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