Dell PowerConnect 3248 System User's Manual

Also see for PowerConnect 3248: Manual Features list Specification

On the Communities page, you can create different communities and customize access. The public string has read-only privileges by default.The following options are available:l SNMP Community Capability — Indicates that the switch supports up to five community strings.l Community List — Displays a list of the community strings currently configured. Default strings are public (read-only access) and private (read/writeaccess).l Community String — Allows you to name a new community. Community strings are case sensitive.l Access Mode — Sets the access rights for the new community that you are creating. Access rights are either read-only or read/write.To add an SNMP community, type the new name in the Community String box, select the access rights from the Access Mode drop-down menu, and then clickAdd Community String. To delete a community, click the entry in the Community List, and then click Remove Community String.CLI CommandsThe following table summarizes the equivalent CLI commands for items in the SNMP/Communities page.ExampleConsole(config)#snmp-server community private rwConsole(config)#TrapsOn the Traps page, you can specify management stations that receive authentication failure messages and other trap messages from the switch.The following options are available:l Trap Manager Capability — Indicates that the switch supports up to five trap managersl Trap Manager List — Displays a list of the trap managers currently configuredl IP address — Specifies the IP address of a new management station to receive trap messagesl Community String — Identifies the community string for the new trap manager you are creatingTo add a trap manager, type the new IP address in the IP Address box, type the appropriate SNMP community in the Community String box, and then clickAdd Trap Manager. To delete a trap manager, click the entry in the Trap Manager List, and then click Remove Trap Manager.Command Usagesnmp-server communitystring [ro|rw]Defines the community access string for the Simple Network Management Protocol.Read-only access is specified by ro, and read-write access is specified by rw.NOTICE: The switch does not prevent IP addresses that are not in the Trap Manager list from accessing the switch through SNMP. You only need avalid community string for access.