Juniper vMX Configuration prepare juniper vmx for tacacs and test

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Add Juniper vMX Virtual Router to TacacsGUI. Junos 18.x Configuration

Section Content

Juniper Device Configuration

Prepare a device.

configure
set interfaces fxp0 unit 0 family inet address interface ip address/prefix
set routing-options static route 0.0.0.0/0 next-hop default gateway;!in case if tacacsgui inside of another network
commit
quit

Test communication to tacacs server.

ping 10.6.20.10
PING 10.6.20.10 (10.6.20.10): 56 data bytes
64 bytes from 10.6.20.10: icmp_seq=0 ttl=62 time=4.525 ms
64 bytes from 10.6.20.10: icmp_seq=1 ttl=62 time=4.623 ms
64 bytes from 10.6.20.10: icmp_seq=2 ttl=62 time=4.613 ms
64 bytes from 10.6.20.10: icmp_seq=3 ttl=62 time=4.451 ms
^C
--- 10.6.20.10 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 4.451/4.553/4.623/0.070 ms

Tacacs Server Configuration

configure
# accounting settings
edit system accounting
  set events [ change-log interactive-commands login ] # you can set all available settings
  edit destination tacplus
    set server tacgui ip address secret pre-shared key source-address ip address of that device
    quit
  quit
# define local user account
edit system login
  set user developer uid 101 class super-user # that username must define in Local User Name
  quit
# add authentication server
edit system tacplus-server
  set tacgui ip address secret pre-shared key source-address ip address of that device timeout 3
  quit
set system authentication-order [ tacplus password ]
commit

Auth with Tacacs user

In the example below user can execute only some show commands.

login as: user_jun
Using keyboard-interactive authentication.
Welcome  Home!
Password:
--- JUNOS 18.2R1.9 Kernel 64-bit  JNPR-11.0-20180614.6c3f819_buil
user_jun> ?
Possible completions:
  show                 Show system information
user_jun> show version brief
Model: vmx
Junos: 18.2R1.9
JUNOS OS Kernel 64-bit 
...
user_jun> show system processes brief
last pid: 13300;  load averages:  0.78,  0.60,  0.55  up 0+07:32:44    14:03:44
194 processes: 2 running, 191 sleeping, 1 waiting
Author: Alexey Mochalin; Created at: 2018-12-20 21:23:01; Updated at: 2018-12-21 19:01:45