On Wed, 2 Feb 2005 09:26:14 -0500 Alex wrote:
AK> How do I know where snmpd.cof file is? A user may start Snmpd with a -c
AK> option for snmpd.conf.
Right. You can find out which files snmpd will read by default by running
snmpd -Dread_config -H 2>&1 | grep Reading | sort -u
AC> Does a NET-SNMP agent know where to send traps? Is
AK> it in a MIB?
By trapsinks set in the conf file, or added the to trap mib later. So, in
theory, you could use a snmp query of the agent to find trap destinations. It
is split over two table, so you'll also have to do a little correlation:
First get each 'tag' and 'type' from the notify table:
$ snmpwalk -v 2c localhost snmpNotifyTable
SNMP-NOTIFICATION-MIB::snmpNotifyTag.'internal0' = STRING: internal0
SNMP-NOTIFICATION-MIB::snmpNotifyType.'internal0' = INTEGER: trap(1)
SNMP-NOTIFICATION-MIB::snmpNotifyStorageType.'internal0' = INTEGER: readOnly(5)
SNMP-NOTIFICATION-MIB::snmpNotifyRowStatus.'internal0' = INTEGER:
active(1)
Then search for each 'tag' in the target table:
[3:49 rks 08:23 PM ~] aud $ snmpwalk -v 2c localhost
SNMP-TARGET-MIB::snmpTargetAddrTDomain.'internal0' = OID:
SNMPv2-TM::snmpUDPDomain SNMP-TARGET-MIB::snmpTargetAddrTAddress.'internal0' =
Hex-STRING: 7F 00 00 01 00 A2
SNMP-TARGET-MIB::snmpTargetAddrTimeout.'internal0' = INTEGER: 0
SNMP-TARGET-MIB::snmpTargetAddrRetryCount.'internal0' = INTEGER: 0
SNMP-TARGET-MIB::snmpTargetAddrTagList.'internal0' = STRING: internal0
SNMP-TARGET-MIB::snmpTargetAddrParams.'internal0' = STRING: internal0
SNMP-TARGET-MIB::snmpTargetAddrStorageType.'internal0' = INTEGER: readOnly(5)
SNMP-TARGET-MIB::snmpTargetAddrRowStatus.'internal0' = INTEGER: active(1)
The above example is for a simple 'trapsink 127.0.0.1'. You can experiment with
more complex settings for further testing...
--
Robert Story; NET-SNMP Junkie
Support: <http://www.net-snmp.org/> <irc://irc.freenode.net/#net-snmp>
Archive: <http://sourceforge.net/mailarchive/forum.php?forum=net-snmp-coders>
You are lost in a twisty maze of little standards, all different.
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