GE P4A Technical Manual page 692

Appendix B - Settings and Signals
MENU TEXT
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
SNMPv3 Security
SNMP v3 specific parameters heading.
User Name
SNMP v3 user name. Can be edited to a custom value of up to 16 characters.
Security Level
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
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
SNMP v3 authentication password. Can be edited to a custom value with a fixed length of 8 characters.
Encrypt Protocol
SNMP v3 encryption protocol. Cannot be changed.
Encrypt Password
SNMP v3 encryption password used for privacy. Can be edited to a custom value with a fixed length of 8 characters.
SNMPv2c Security
SNMP v2c specific parameters heading.
Community Name
SNMP v2c community name, used for authentication between the SNMP manager and the IED. Can be edited to a custom value of 1-8
B126
COL ROW DEFAULT SETTING
0E C4
0E C5 ReadOnlyUserName
0E C6 AuthNoPriv
0E C7 HMAC-MD5-96
0E C8 AAAAAAAA
0E C9 CBC-DES
0E CA BBBBBBBB
0E D1
0E D2 CCCCCCCC
DESCRIPTION
From 32 to 234 in steps of 1
[ASCII Text]
NoAuthNoPriv
AuthNoPriv
AuthPriv
[Indexed String]
HMAC-MD5-96
HMAC-SHA-96
[Indexed String]
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)]
CBC-DES
[Indexed String]
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)]
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)]
P54A/B/C/E
AVAILABLE OPTIONS
P54xMED-TM-EN-1