snmptrap送付例

snmptrap -v 2c -c public 127.0.0.1 '' .1.3.6.1.4.1.8072.99999.1 .1.3.6.1.4.1.807299999.1 s "test"

/var/log/snmptrap.log:

2011-04-05 22:08:15 localhost.localdomain [UDP: [127.0.0.1]:61897]:
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (241834) 0:40:18.34    SNMPv2-MIB::snmpTrapOID.0 = OID: NET-SNMP-MIB::netSnmp.99999.1  SNMPv2-SMI::enterprises.
807299999.1 = STRING: "test"

tcpdump取得例(SNMP)

# tcpdump -v -i eth0 port 161 -w tcpdump.cap

tcpdump取得例(SNMP TRAP)

# tcpdump -v -i eth0 port 162 -w tcpdump.cap

後から確認

# tcpdump -v -i eth0 port 162 -r tcpdump.cap

めも

参考
http://linuxjm.sourceforge.jp/html/tcpdump/man1/tcpdump.1.html