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V7122 Gateway User Guide
377
2
Modify the SecurityName field in the sole row of the snmpTargetParamsTable.
3
Remove the row from the vacmSecurityToGroupTable with SecurityName = the old trap
community string.
•
The procedure above assumes that a row already exists in the
snmpCommunityTable for the new 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), then it
should be made part of the TrapGroup.
•
You must add GroupName and RowStatus on the same set.
SNMP v3 USM Users
You can define up to 10 User-based Security Model (USM) users (USM users are referred to
as “v3 users”). Each v3 user can be associated with an authentication type (none, MD5, or
SHA-1) and a privacy type (none, DES, 3DES, or AES).
Table 75
SNMP v3 Security Levels
Security Level
Authentication
Privacy
noAuthNoPriv(1)
None None
authNoPriv(2)
MD5 or SHA-1
None
authPriv(3)
MD5 or SHA-1
DES, 3DES, AES128, AES192, or
AES256
Each SNMP v3 user must be associated with one of the predefined groups listed in the
following table:
Table 76
SNMP v3 Predefined Groups
Group
Get Access
Set Access
Send Traps
Security Level
ReadGroup1
Yes No
Yes
noAuthNoPriv(1)
ReadWriteGroup1
Yes Yes
Yes
noAuthNoPriv(1)
TrapGroup1
No No
Yes
noAuthNoPriv(1)
ReadGroup2
Yes No
Yes
authNoPriv(2)
ReadWriteGroup2
Yes Yes
Yes
authNoPriv(2)
TrapGroup2
No No
Yes
authNoPriv(2)
ReadGroup3
Yes No
Yes
authPriv(3)
ReadWriteGroup3
Yes Yes
Yes
authPriv(3)
TrapGroup3
No No
Yes
authPriv(3)
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