Cisco TACACS+ with VRF

Cisco TACACS+ with VRF

aaa group server tacacs+ [grp-name]
 server-private 10.10.10.10 key 7 [key]
 ip vrf forwarding [vrf-name]
 ip tacacs source-interface [interface-name]
!
aaa authentication login default local group [grp-name]tacacs+
aaa authorization exec default local group [grp-name]tacacs+