Mediant 2000 SIPMediant 2000 SIP User’s Manual 178 Document #: LTRT-72504¾ To change the only read-write community string from v2admin tov2mgr, take these 4 steps:1. Follow the procedure above to add a read-write community string to a row for v2mgr.2. Set up the EM so that subsequent ‘set’ requests use the new community string, v2mgr.3. If v2admin is being used as the trap community string, follow the procedure to change thetrap community string (see below).4. Follow the procedure above to delete a read-write community name in the row for v2admin.¾ To change the trap community string, take these 2 steps:(The following procedure assumes that a row already exists in the srCommunityTable for the newtrap community string. The trap community string can be part of the TrapGroup, ReadGroup orReadWriteGroup. If the trap community string is used solely for sending traps (recommended), itshould be made part of the TrapGroup).1. Add a row to the vacmSecurityToGroupTable with these values: SecurityModel=2,SecurityName=the new trap community string, GroupName=TrapGroup, ReadGroup orReadWriteGroup. The SecurityModel and SecurityName objects are row indices.Note: You must add GroupName and RowStatus on the same set.2. Modify the SecurityName field in the sole row of the snmpTargetParamsTable.11.6.2 Trusted ManagersBy default, the agent accepts ‘get’ and ‘set’ requests from any IP address, as long as the correctcommunity string is used in the request. Security can be enhanced via the use of TrustedManagers. A Trusted Manager is an IP address from which the SNMP Agent accepts andprocesses ‘get’ and ‘set’ requests. An EM can be used to configure up to 5 Trusted Managers.Note: If Trusted Managers are defined, all community strings work from all TrustedManagers. That is, there is no way to associate a community string withparticular trusted managers.11.6.2.1 Configuration of Trusted Managers via ini FileTo set the Trusted Mangers table from start-up, write the following in the ini file:SNMPTRUSTEDMGR_X = D.D.D.Dwhere X is any integer between 0 and 4 (0 sets the first table entry, 1 sets the second, and soon), and D is an integer between 0 and 255.11.6.2.2 Configuration of Trusted Managers via SNMPTo configure Trusted Managers, the EM must use the srCommunityMIB, the snmpTargetMIB andthe TGT-ADDRESS-MASK-MIB.¾ To add the first Trusted Manager, take these 3 steps:(The following procedure assumes that there is at least one configured read-write community.There are currently no Trusted Managers. The taglist for columns for all srCommunityTable rowsare currently empty).
