Appendix B - Settings and Signals
MENU TEXT COL ROW DEFAULT SETTING AVAILABLE OPTIONS
DESCRIPTION
Trap destination 2 IP for the main processor SNMP version interface. This is set to the SNMP manager IP address.
Setting this cell to 0.0.0.0 disables this Trap interface
SNMP v3 specific parameters heading.
User Name 0E C5 ReadOnlyUserName
From 32 to 234 in steps of 1
[ASCII Text]
SNMP v3 user name. Can be edited to a custom value of up to 16 characters.
Security Level 0E C6 AuthNoPriv
AuthNoPriv
AuthPriv
Sets the SNMP v3 security level.
There levels of security are defined by the SNMP standard:
0 - Without authentication and without privacy (noAuthNoPriv)
1 - With authentication but without privacy (AuthNoPriv)
2 - With authentication and with privacy (AuthPriv)
Authentication is used to check the identity of users, Privacy allows for encryption of SNMP messages.
Both Authentication and Privacy are optional, however if Privacy is used, then the security model used by the IED MUST protect the SNMP
message from disclosure, i.e., it MUST encrypt/decrypt the messages.
Auth Protocol 0E C7 HMAC-MD5-96
HMAC-SHA-96
[Indexed String]
SNMP v3 Authentication Protocol. Sets the hash-based message authentication code function used for the authentication of messages.
MD5 – Is a Message Digest implementation
SHA – Is a Secure Hash Algorithm implementation
SHA is considered cryptographically stronger that MD5, but takes a longer time to compute. Both implementations are considered secure.
The SNMP Manager and the IED must use the same Authentication Protocol.
Auth Password 0E C8 AAAAAAAA
4 registers for writing 8 character password
Each register contains a pair of characters
Each register is formatted as follows:-
first character of a pair
second character of a pair
Each character is in the Courier range 33 - 122
SNMP v3 authentication password. Can be edited to a custom value with a fixed length of 8 characters.
Encrypt Protocol 0E C9 CBC-DES
SNMP v3 encryption protocol. Cannot be changed.
Encrypt Password 0E CA BBBBBBBB
4 registers for writing 8 character password
Each register contains a pair of characters
Each register is formatted as follows:-
first character of a pair
second character of a pair
Each character is in the Courier range 33 - 122
[ASCII Password (8)]
SNMP v3 encryption password used for privacy. Can be edited to a custom value with a fixed length of 8 characters.
SNMP v2c specific parameters heading.
Community Name 0E D2 CCCCCCCC
4 registers for writing 8 character password
Each register contains a pair of characters
Each register is formatted as follows:-
first character of a pair
second character of a pair
Each character is in the Courier range 33 - 122
SNMP v2c community name, used for authentication between the SNMP manager and the IED. Can be edited to a custom value of 1-8
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