Help with setting up snmptrapd for SNMPV3

permalink · #1 (**permalink**) 09-15-2007

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I'm able to send v1/v2 traps, but not v3. Here is my configuration and
attempts at sending authenticated traps. Thanks in advance.
----

[root@sf2sv01]# grep -v "^\S" snmptrapd.conf
authCommunity log,execute,net public
authUser log,execute,net myuser authpriv

----

<from /var/net-snmp/snmptrapd.conf -- initial config>

createUser myuser MD5 "mypassword" DES

----

[root@sf2sv01]# snmptrapd -c ./snmptrapd.conf -Lf
/usr/local/share/snmp/snmptrapd.log

(starts successfully and encrypts/garbles the createUser entry in
/var/net-snmp/snmptrapd.conf)

----

<sending a v2c trap works as expected>

[root@sf2sv01]# snmptrap -v2c -cpublic 127.0.0.1 '' .1.3.6.1.4.1.2021.251.1

<trap received and entry made in snmptrapd.log>

2007-09-15 10:37:33 sf2sv01[UDP: [127.0.0.1]:32770]:
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (41877147) 4 days,
20:19:31.47SNMPv2-MIB::snmpTrapOID.0 = OID: UCD-SNMP-MIB::ucdStart

----

<sending v3 trap returns to Linux prompt without any errors but yields
no messages in snmptrapd log>

[root@sf2sv01]# snmptrap -v 3 -u myuser -l authPriv -a MD5 -A mypass -x
DES -X mypass 127.0.0.1 '' .1.3.6.1.4.1.2021.251.1

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<big>I'm able to send v1/v2 traps, but not v3.  Here is my
configuration and attempts at sending authenticated traps.  Thanks in
advance.</big> 
---- 
 
[root@sf2sv01]# grep -v "^\S" snmptrapd.conf 
authCommunity log,execute,net public 
authUser log,execute,net myuser authpriv 
 
---- 
 
<from /var/net-snmp/snmptrapd.conf -- initial config> 
 
createUser myuser MD5 "mypassword" DES 
 
---- 
 
[root@sf2sv01]# snmptrapd -c ./snmptrapd.conf -Lf
/usr/local/share/snmp/snmptrapd.log 
 
(starts successfully and encrypts/garbles the createUser entry in
/var/net-snmp/snmptrapd.conf) 
 
---- 
 
<sending a v2c trap works as expected> 
 
[root@sf2sv01]# snmptrap -v2c -cpublic 127.0.0.1 ''
..1.3.6.1.4.1.2021.251.1 
 
 
<trap received and entry made in snmptrapd.log> 
 
2007-09-15 10:37:33 sf2sv01[UDP: [127.0.0.1]:32770]: 
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (41877147) 4 days,
20:19:31.47SNMPv2-MIB::snmpTrapOID.0 = OID: UCD-SNMP-MIB::ucdStart 
 
---- 
 
<sending v3 trap returns to Linux prompt without any errors but
yields no messages in snmptrapd log> 
 
[root@sf2sv01]# snmptrap -v 3 -u myuser -l authPriv -a MD5 -A mypass -x
DES -X mypass 127.0.0.1 '' .1.3.6.1.4.1.2021.251.1 
 
 

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