1-3New Domain added.[Sysname-isp-aabbcc.net] accounting radius-scheme radiusaccounting optionalSyntaxaccounting optionalundo accounting optionalViewISP domain viewParametersNoneDescriptionUse the accounting optional command to open the accounting-optional switch.Use the undo accounting optional command to close the accounting-optional switch so that thesystem performs accounting for users unconditionally.By default, the system performs accounting for users unconditionally..Note that:z If the system does not find any available accounting server or fails to communicate with anyaccounting server when it performs accounting for an online user, it will not disconnect the user aslong as the accounting optional command has been executed.z The accounting optional command is commonly used in the cases where only authentication isneeded and accounting is not needed.z If you configure the accounting optional command in ISP domain view, it is effective to all users inthe domain; if you configure it in RADIUS scheme view, it is effective to users the RADIUS schemeis used for.Examples# Open the accounting-optional switch for the ISP domain named aabbcc.net. system-viewSystem View: return to User View with Ctrl+Z.[Sysname] domain aabbcc.netNew Domain added.[Sysname-isp-aabbcc.net] accounting optionalattributeSyntaxattribute { ip ip-address | mac mac-address | idle-cut second | access-limit max-user-number | vlanvlan-id | location { nas-ip ip-address port port-number | port port-number } }*undo attribute { ip | mac | idle-cut | access-limit | vlan | location }*