Hi,
Ok three months....Good one.
1) When running your agent have you configured your snmpd.conf to send
traps?
2) When running the snmptrapd it also has an associated configuration file
this
should contain an oid value and a perl script which is called when the
trap is received.
3) Examine the FAQ. This has more information.
4) The most obvious trap to look for is the coldStart trap which is sent
when your agent
has completed initialisation.
5) If you get stuck I will help you more so dont panic ok.
Cheers,
Garyc
----- Original Message -----
From: "Russ Woodman" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, December 14, 2004 9:48 AM
Subject: Cannot Process SNMP Traps
> Hi,
>
> I am attempting to receive traps from various devices on my network
> (Copper Mountain DSLAMs, Cisco routers, etc.) so that I can then funnel
> the traps into Nagios for network monitoring. However, nothing I have
> tried for the last three or more months has allowed me to receive/handle
> any traps sent by any devices. Below are some relevant files and
> configuration.
>
> 10782 ? S 0:00 /usr/sbin/snmpd -Lsd -Lf /dev/null -p
> /var/run/snmpd.pid
> 10784 ? Ss 0:00 /usr/sbin/snmptrapd -Lsd -p
> /var/run/snmptrapd.pid
>
> snmptrapd.conf:
> traphandle default /usr/local/bin/traphandle.sh default
>
> traphandle.sh:
> #!/bin/bash
>
> LOGFILE="/tmp/snmptrapd.log"
>
> case ${1} in
> default)
> echo -e "Found default trap:" >> ${LOGFILE}
> echo -e "${*}\n" >> ${LOGFILE}
> ;;
> *)
> echo -e "Found unhandled trap:" >> ${LOGFILE}
> echo -e "${*}\n" >> ${LOGFILE}
> ;;
> esac
>
> exit 0
>
> snmp.conf
> mibs ALL
>
> I have the Copper Mountain MIB located in /usr/share/snmp/mibs, where
> all of the other default MIBs are located. When run in debug mode, the
> snmptrapd output shows the Copper Mountain MIB is processed. When I
> bring up and drop an interfaces on a Copper Mountain DSLAM, tcpdump on
> the receiving host running snmptrapd shows:
>
> 09:36:35.926828 IP 172.20.7.2.1966 >
> ldhl-sentry.natcotech.com.snmp-trap: C=Natco Trap(36) E:1996
> 172.20.7.2 enterpriseSpecific s=12 132246500 .iso.org=[|snmp]
> 09:37:14.772609 IP 172.20.7.2.1967 >
> ldhl-sentry.natcotech.com.snmp-trap: C=Natco Trap(36) E:1996
> 172.20.7.2 enterpriseSpecific s=12 132246890 .iso.org=[|snmp]
>
> So I know the trap packet is being received. But the file
> /tmp/snmptrapd.log referenced in the traphandle.sh script never has
> anything in it.
>
> Can someone please help me figure out why I have never been able to
> receive or process SNMP traps using net-snmp--before I go stark raving
> mad? If someone is able to work with me via phone or IM in an
> interactive way, that would be greatly appreciated.
>
> Regards,
> Russ
>
>
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