I have messed with this for quite awhile and I just can't find anything.
The engineID is unique.
Using AES256 and SHA256
If anyone has any ideas what exactly I am doing wrong here that would be great.
This works from snmpwalk from the zabbix server.
Incoming SNMP packet
000220: Nov 2 10:17:47.417: v3 packet security model: v3 security level: noauth
000221: Nov 2 10:17:47.417: username: Zabbix-User
000222: Nov 2 10:17:47.417: snmpEngineID: 80000009030004EB40CDD910
000223: Nov 2 10:17:47.417: snmpEngineBoots: 36 snmpEngineTime: 1713200
000224: Nov 2 10:17:47.417: SNMP: Report, reqid 2147483647, errstat 0, erridx 0
usmStats.5.0 = 4
000225: Nov 2 10:17:47.418: SNMP: Packet sent via UDP to 10.1.1.90
000226: Nov 2 10:17:51.497: SNMP: Packet received via UDP from 10.1.1.90 on GigabitEthernet0/0/0SrParseV3SnmpMessage: No matching Engine ID.
SrParseV3SnmpMessage: Failed.
SrDoSnmp: authentication failure, Unknown Engine ID
000227: Nov 2 10:17:51.498:
Incoming SNMP packet
000228: Nov 2 10:17:51.498: v3 packet security model: v3 security level: noauth
000229: Nov 2 10:17:51.498: username:
000230: Nov 2 10:17:51.498: snmpEngineID: 80000009030004EB40CDD910
000231: Nov 2 10:17:51.498: snmpEngineBoots: 0 snmpEngineTime: 0
000232: Nov 2 10:17:51.498: SNMP: Report, reqid 1668154653, errstat 0, erridx 0
usmStats.4.0 = 5
000233: Nov 2 10:17:51.499: SNMP: Packet sent via UDP to 10.1.1.90
000234: Nov 2 10:17:51.507: SNMP: Packet received via UDP from 10.1.1.90 on GigabitEthernet0/0/0SrParseV3SnmpMessage: Length of authParameters is 24 bytes, should be 12 bytes
SrParseV3SnmpMessage: Failed.
SrDoSnmp: authentication failure, USM wrong digest
000235: Nov 2 10:17:51.508:
Incoming SNMP packet
000236: Nov 2 10:17:51.508: v3 packet security model: v3 security level: noauth
000237: Nov 2 10:17:51.508: username: Zabbix-User
000238: Nov 2 10:17:51.508: snmpEngineID: 80000009030004EB40CDD910
000239: Nov 2 10:17:51.508: snmpEngineBoots: 36 snmpEngineTime: 1713204
000240: Nov 2 10:17:51.508: SNMP: Report, reqid 2147483647, errstat 0, erridx 0
usmStats.5.0 = 5
000241: Nov 2 10:17:51.509: SNMP: Packet sent via UDP to 10.1.1.90
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