30Step Command Remarks3. Specify a security policyserver.security-policy-server { ipv4-address| ipv6 ipv6-address } [ vpn-instancevpn-instance-name ]By default, no security policy serveris specified for a scheme.You can specify up to eight securitypolicy servers for a RADIUS scheme.Displaying and maintaining RADIUSExecute display commands in any view and reset commands in user view.Task CommandDisplay the RADIUS schemeconfiguration. display radius scheme [ radius-scheme-name ]Display RADIUS packet statistics. display radius statisticsClear RADIUS statistics. reset radius statisticsConfiguring HWTACACS schemesConfiguration task listTasks at a glance(Required.) Creating an HWTACACS scheme(Required.) Specifying the HWTACACS authentication servers(Optional.) Specifying the HWTACACS authorization servers(Optional.) Specifying the HWTACACS accounting servers(Required.) Specifying the shared keys for secure HWTACACS communication(Optional.) Specifying a VPN for the scheme(Optional.) Setting the username format and traffic statistics units(Optional.) Specifying the source IP address for outgoing HWTACACS packets(Optional.) Setting HWTACACS timers(Optional.) Displaying and maintaining HWTACACSCreating an HWTACACS schemeCreate an HWTACACS scheme before performing any other HWTACACS configurations. You canconfigure up to 16 HWTACACS schemes. An HWTACACS scheme can be referenced by multiple ISPdomains.To create an HWTACACS scheme:Step Command Remarks1. Enter system view. system-view N/A2. Create an HWTACACSscheme and enter its view.hwtacacs schemehwtacacs-scheme-nameBy default, no HWTACACSscheme is defined.