3Com Switch 4210 Series Getting Started

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3Com Switch 4210 Series Getting Started Manual pdf 44 page image

44 CHAPTER 3: S ETTING UP FOR MANAGEMENTswitch. If you use 3Com Network Director it automatically loads the correct MIBsand necessary files onto your workstation.Prerequisites ■ Documentation supplied with the SNMP network management applicationsoftware.■ The default read community string is public. The default write communitystring is private.■ To display the current configuration of the community strings in the SystemView, enter display snmp-agent community.■ To configure new read community strings, enter snmp community read(new community string up to 32 characters).■ To configure new write community strings, enter snmp community write(new community string up to 32 characters).■ To remove a community string, enter undo snmp-agent community (thestring to be removed).To manage your switch using an SNMP network management application, youneed to specify SNMP community strings for the users defined on the switch. Youcan do this using the command line interface system management snmpcommunity command. Refer to the command line interface section of the“SuperStack 4 Switch Command Reference Guide” for more information.These switches support SNMP V1, V2, and V3. SNMP V3 is on as default. Allcommands are in snmp menu in System View.Default Users andPasswordsIf you intend to manage the switch using the web interface or the command lineinterface, or to change the default passwords, you need to log in with a valid username and password. The switch has three default user names, and each username has a different password and level of access. These default users are listed inTable 15.CAUTION: To protect your switch from unauthorized access, you must change allthree default passwords as soon as possible, even if you do not intend to activelymanage your switch.Table 15 Default UsersUserNameDefaultPassword Access Levelmonitor monitor monitorThe user can view all manageable parameters, exceptspecial/security features, but cannot change anymanageable parametersmanager manager managerThe user can access and change the operational parametersbut not special/security featuresadmin (nopassword)securityThe user can access and change all manageable parameters