Enabling An Snmp Agent To Notify Syslog Server Failure - Dell S6100 Configuration Manual

Example of Dell Networking Enterprise-specific SNMP Traps
Enabling an SNMP Agent to Notify Syslog Server
Failure
You can configure a network device to send an SNMP trap if an audit processing failure occurs due to loss of connectivity with the syslog
server.
If a connectivity failure occurs on a syslog server that is configured for reliable transmission, an SNMP trap is sent and a message is
displayed on the console.
The SNMP trap is sent only when a syslog connection fails and the time-interval between the last syslog notification and current time is
greater than or equal to 5 minutes. This restriction also applies to the console message.
NOTE: If a syslog server failure event is generated before the SNMP agent service starts, the SNMP trap is not sent.
To enable an SNMP agent to send a trap when the syslog server is not reachable, enter the following command:
CONFIGURATION MODE
snmp-server enable traps snmp syslog-unreachable
To enable an SNMP agent to send a trap when the syslog server resumes connectivity, enter the following command:
CONFIGURATION MODE
snmp-server enable traps snmp syslog-reachable
Table 86. List of Syslog Server MIBS that have read access
MIB Object
dF10SysLogTraps
The following example shows the SNMP trap that is sent when connectivity to the syslog server is lost:
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (19738) 0:03:17.38
0 = OID: SNMPv2-
SMI::enterprises.6027.3.30.1.1.1
"NOT_REACHABLE: Syslog server
10.11.226.121 (port: 9140) is not reachable" SNMPv2-SMI::enterprises.6027.3.6.1.1.2.0 =
INTEGER: 2
Following is the sample audit log message that other syslog servers that are reachable receive:
Oct 21 00:46:13: dv-fedgov-s4810-6: %EVL-6-NOT_REACHABLE:Syslog server 10.11.226.121 (port:
9140) is not reachable
Following example shows the SNMP trap that is sent when connectivity to the syslog server is resumed:
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (10230) 0:01:42.30
0 = OID: SNMPv2-
SMI::enterprises.6027.3.30.1.1.2
"REACHABLE: Syslog server
10.11.226.121 (port: 9140) is reachable"SNMPv2-SMI::enterprises.6027.3.6.1.1.2.0 = INTEGER: 2
Following is the sample audit log message that other syslog servers that are reachable receive:
Oct 21 05:26:04: dv-fedgov-s4810-6: %EVL-6-REACHABLE:Syslog server 10.11.226.121 (port: 9140)
is reachable
828 Simple Network Management Protocol (SNMP)
OID
1.3.6.1.4.1.6027.3.30.1.1
SNMPv2-SMI::enterprises.6027.3.30.1.1 = STRING:
SNMPv2-SMI::enterprises.6027.3.30.1.1 = STRING:
Object Values
1 = reachable2 = unreachable
Description
Specifies whether the syslog
server is reachable or
unreachable.
SNMPv2-MIB::snmpTrapOID.
SNMPv2-MIB::snmpTrapOID.