If you do not, the system displays an error when you attempt to enable role-based only AAA authorization.Dell(conf)# logging localhost tcp portDell(conf)#logging 127.0.0.1 tcp 5140Sending System Messages to a Syslog ServerTo send system messages to a specified syslog server, use the following command. The following syslog standards are supported: RFC5424 The SYSLOG Protocol, R.Gerhards and Adiscon GmbH, March 2009, obsoletes RFC 3164 and RFC 5426 Transmission of SyslogMessages over UDP.• Specify the server to which you want to send system messages. You can configure up to eight syslog servers.CONFIGURATION modelogging {ip-address | ipv6-address | hostname} {{udp {port}} | {tcp {port}}}You can export system logs to an external server that is connected through a different VRF.Track Login ActivityDell Networking OS enables you to track the login activity of users and view the successful and unsuccessful login events.When you log in using the console or VTY line, the system displays the last successful login details of the current user and the number ofunsuccessful login attempts since your last successful login to the system, and whether the current user’s permissions have changed sincethe last login. The system stores the number of unsuccessful login attempts that have occurred in the last 30 days by default. You canchange the default value to any number of days from 1 to 30. By default, login activity tracking is disabled. You can enable it using thelogin statistics enable command from the configuration mode.Restrictions for Tracking Login ActivityThese restrictions apply for tracking login activity:• Only the system and security administrators can configure login activity tracking and view the login activity details of other users.• Login statistics is not applicable for login sessions that do not use user names for authentication. For example, the system does notreport login activity for a telnet session that prompts only a password.Configuring Login Activity TrackingTo enable and configure login activity tracking, follow these steps:1 Enable login activity tracking.CONFIGURATION modelogin statistics enableAfter enabling login statistics, the system stores the login activity details for the last 30 days.2 (Optional) Configure the number of days for which the system stores the user login statistics. The range is from 1 to 30.CONFIGURATION modelogin statistics time-period days70 Management
