366 V6100 and V7122 User GuideTo delete the read-only community string (v2user):1 If v2user is being used as the trap community string, follow the procedure for changingthe trap community string (see below).2 Delete the srCommunityTable row with CommunityName v2user.To add a read-write community string (v2admin): Add a new row to the srCommunityTable with CommunityName of v2admin andGroupName ReadWriteGroup.To delete the read-write community string (v2admin):1 If v2admin is being used as the trap community string, follow the procedure for changingthe trap community string. (See below.)2 Delete the srCommunityTable row with a CommunityName of v2admin and GroupNameof ReadWriteGroup.To change the only read-write community string from v2admin to v2mgr: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 changethe trap community string (see below).4 Follow the procedure above to delete a read-write community name in the row forv2admin.To change the trap community string:(The following procedure assumes that a row already exists in the srCommunityTable for thenew trap community string. The trap community string can be part of the TrapGroup,ReadGroup or ReadWriteGroup. If the trap community string is used solely for sending traps(recommended), it should 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.You must add GroupName and RowStatus on the same set.2 Modify the SecurityName field in the sole row of the snmpTargetParamsTable.Trusted ManagersBy default, the agent accepts ‘get’ and ‘set’ requests from any IP address, as long as thecorrect community string is used in the request. Security can be enhanced via the use ofTrusted Managers. A Trusted Manager is an IP address from which the SNMP Agent