Nortel Networks 4050 manual Managing and maintaining the system using the CLI, Maint

724Chapter 14 Maintaining and managing the system

You can perform the following activities to manage and maintain the system and individual Nortel SNAS 4050 devices:

•maintenance, in order to collect information for troubleshooting and technical support purposes (see “Performing maintenance using the CLI” on page 726 or “Performing maintenance using the SREM” on page 736):

•Dump log file or system internal status information and send it to a file exchange server.

•Check connectivity between the Nortel SNAS 4050 and all configured gateways, routers, and servers.

•Start and stop tracing to log information about a client session. You can limit the trace to specific features, such as SSL handshake; authentication method, user name, group, and profile; DNS lookups; and the TunnelGuard check.

You can use the trace feature as a debugging tool (for example, to find out why authentication fails). For sample CLI outputs, see “Trace tools” on page 845.

•configuration backup and restore (see “Backing up or restoring the configuration using the CLI” on page 730 or “Backing up or restoring the configuration using the SREM” on page 742)

•software and device management (see “Managing Nortel SNAS 4050 devices using the CLI” on page 733 and “Managing software for a Nortel SNAS 4050 device using the CLI” on page 734, or “Managing Nortel SNAS 4050 devices and software using the SREM” on page 743):

•Manage software versions and activate software upgrades.

•Shut down or reboot a particular Nortel SNAS 4050 device that has become isolated from the cluster.

•Reset the configuration of a particular Nortel SNAS 4050 device back to factory defaults.

Managing and maintaining the system using the CLI

To perform maintenance activities, access the Maintenance menu by using the following command:

/maint

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