Hi!
First I have to say I have no experience with SNMP traps at all, but I need
to have some trap service receiving traps from a device and logging them
into our systems so we can monitor the device.
I have the following installed:
- Windows server 2012 R2 Standard
- I downloaded this package: net-snmp-5.7-1.win32.exe
I have a vendor MIB which I placed in C:\usr\share\snmp\mibs
I think that part is fine because I could run successfully commands like
this which return the proper OID:
C:\usr\bin>snmptranslate -IR -On trapAccessAuthFail
.1.3.6.1.4.1.23629.3.1.1.11
I have registered snmptrad trap receiver with this command:
snmptrapd.exe -register -Lf 7 d:/LogFiles/snmptrap/snmptrapd.log 10.155.3.30
I am trying to test to log some trap by using this example:
snmptrap -v 3 -c public -n "" -l noAuthNoPriv -u TestSNMP 10.155.3.30
uptime .1.3.6.1.4.1.23629.3.1.1.11
I have only configured the snmptrapd.conf file and place there options like
this:
createUser TestSNMP
authUser log TestSNMP noauth
format2 "%02.2h:%02.2j:%02.%k TRAP%W.%P from %A\n"
outputOption -Os
And my snmp.conf like this:
defSecuritylevel noAuthNoPriv
defSecurityName TestSNMP
mibs +SAFENET-LunaEFT-MIB
mibdirs C:/usr/share/snmp/mibs
defVersion 3
showMibErrors yes
logTimestamp no
dumpPacket true
The only way I can see something being logged in my log file is when I set
this:
dumpPacket true
And I think this output in my logs with the dump enabled is correct:
Received 131 byte packet from UDP: [10.155.3.30]:49272->[0.0.0.0]:0
0000: 30 81 80 02 01 03 30 0F 02 02 39 5F 02 03 00 FF 0.....0...9_...
0016: E3 04 01 00 02 01 03 04 29 30 27 04 11 80 00 1F γ.......)0'.....
0032: 88 80 94 35 00 00 C1 11 82 58 00 00 00 00 02 01 ..”5..Α.‚X......
0048: 01 02 01 00 04 08 54 65 73 74 53 4E 4D 50 04 00 ......TestSNMP..
0064: 04 00 30 3F 04 11 80 00 1F 88 80 94 35 00 00 C1 ..0?.......”5..Α
0080: 11 82 58 00 00 00 00 04 00 A7 28 02 02 35 95 02 .‚X......§(..5•.
0096: 01 00 02 01 00 30 1C 30 1A 06 0A 2B 06 01 06 03 .....0.0...+....
0112: 01 01 04 01 00 06 0C 2B 06 01 04 01 81 B8 4D 03 .......+.....ΈM.
0128: 01 01 0B ...
I am curious to know how can I log the trap information to have at the end
something like this or at least not Hex info like above:
#<SNMP::SNMPv1_Trap:0x5161ac1d @enterprise=[1.3.6.1.4.1.2854],
@timestamp=#<SNMP::TimeTicks:0x5fa65841 @value=59948346>, @varbind_list=[],
@specific_trap=1, @source_ip="10.155.3.30",
@agent_addr=#<SNMP::IpAddress:0x5b99c76d @value="\n\x9B\x03\x1E">,
@generic_trap=6>
I have been not successful so far with the man files for snmptrapd.conf,
snmpd.conf, snmpcmd... maybe I am totally wrong with my understanding of
how to make this package work?
I don't have any other configuration files, or any other services from the
package installed/running at the same time as snmptrapd daemon.
Thanks a lot and kind regards,
Ruth
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