Chapter 16 System Maintenance menus 8 to 10 201Nortel Business Secure Router 222 Configuration — Advancedmeans that you must specify the type of netbios filter and whether to turn it on oroff.Command usageA list of commands can be found by typing help or ? at the command prompt.Always type the full command. Type exit to return to the SMT main menu whenfinished.Figure 110 Valid commandsras> ?Valid commands are:sys exit ether ipipsec bm certificates radius8021xTable 48 Valid commandsCommand Descriptionsys The system commands display device information and configure devicesettings.exit This command returns you to the SMT main menu.ether This commands display Ethernet information and configure Ethernetsettings.ip This commands display IP information and configure IP settings.ipsec This commands display IPSec information and configure IPSec settings.bm This commands display bandwidth management information andconfigure bandwidth management settings.certificates This commands display certificate information and configure certificatesettings.radius This commands display RADIUS information.8021x This commands display IEEE 802.1x information.