We are using net-snmp 5.5.1
Snip from my snmpd.conf
*defaultMonitors yes*
*#linkUpDownNotifications yes*
*notificationEvent linkUpTrap linkUp ifIndex ifAdminStatus
ifOperStatus*
*notificationEvent linkDownTrap linkDown ifIndex ifAdminStatus
ifOperStatus*
*trap2sink localhost:162 <http://10.10.10.188:162>*
snip of snmpwalk on the ifTable
*IF-MIB::ifDescr.1 = STRING: lo*
*IF-MIB::ifDescr.2 = STRING: eth0*
*IF-MIB::ifDescr.3 = STRING: vboxnet0*
*
*
*
*
The linkup trap for loopback interface
ifconfig lo down
ifconfig lo up
2011-08-25 12:57:30 <UNKNOWN> [UDP: [10.10.10.188]:52447->[10.10.10.188]]:
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (1182290) 3:17:02.90
SNMPv2-MIB::snmpTrapOID.0 = OID: IF-MIB::linkUp.1 IF-MIB::ifIndex = INTEGER:
1
IF-MIB::ifAdminStatus = INTEGER: up(1) IF-MIB::ifOperStatus = INTEGER: up(1)
The linkup trap for eth0 interface
ifconfig eth0 down
ifconfig eth0 up
2011-08-25 14:47:08 localhost.localdomain [UDP:
[127.0.0.1]:59619->[127.0.0.1]]:
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (1188868) 3:18:08.68
SNMPv2-MIB::snmpTrapOID.0 = OID: IF-MIB::linkUp.1 IF-MIB::ifIndex = INTEGER:
2
IF-MIB::ifAdminStatus = INTEGER: up(1) IF-MIB::ifOperStatus = INTEGER: up(1)
Can anyone help me in simulating the linkdown trap. ?
Also can the *send_linkUpDownNotification*s function defined in *
ifTable_data_access.c* be used for generating these traps ?
Thanks
-anand
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