Optionally you can configure a loopback address here.
- SNMP ID:
 - 2.54.9.2
 - Console path:
 - Setup > Tacacs+ > Server
 - Possible values:
 - Name of the IP networks whose addresses are to be used.
 - "INT" for the address of the first intranet.
 - "DMZ" for the address of the first DMZ.
 - LBO…LBF for the 16 loopback addresses.
 - Any IP address in the form x.x.x.x.