Here is the new update. I manually deleted all the extra MIB files under
/usr/local/share/snmp/mibs directory. Now starting agent with -Dparse-mibs
gave me exactly same MIB modules loaded as the other machine. But that didn't
solve the problem, i.e., I still couldn't receive any link traps. I examined
the two servers /usr/local/ directory, they are the same, i.e. with the same
net-snmp binary files and library files.Now I am completely lost here on what
could be the issue.
ThanksXuan
From: b...@live.com
To: d.t.shi...@liverpool.ac.uk
CC: net-snmp-users@lists.sourceforge.net
Subject: RE: Strange behavior on linkUpDownNotifications
Date: Thu, 8 Apr 2010 11:48:35 -0400
After compared the modules loaded on the two machines one module by one module,
I have the following finding:
The machine with link traps working is loaded with less MIB modules.
The machine with link traps not working is loaded with the following additional
MIB
modules:SMUX-MIBAGENTX-MIBSNMP-PROXY-MIBRMON-MIBSNMPv2-CONFDISMAN-SCRIPT-MIBNET-SNMP-TCSNMP-USM-AES-MIBIF-INVERTED-STACK-MIBSNMP-USM-DH-OBJECTS-MIBHCNUM-TC
etc
Is there a way to specify exactly which MIB modules to be loaded when starting
the agent? And how to do that? I just wonder if that will solve the puzzle.
ThanksXuan
From: b...@live.com
To: d.t.shi...@liverpool.ac.uk
CC: net-snmp-users@lists.sourceforge.net
Subject: RE: Strange behavior on linkUpDownNotifications
Date: Wed, 7 Apr 2010 17:26:37 -0400
Both machines are loaded with same modules, but in different order.
ThanksXuan
> Date: Wed, 7 Apr 2010 22:10:12 +0100
> Subject: Re: Strange behavior on linkUpDownNotifications
> From: d.t.shi...@liverpool.ac.uk
> To: b...@live.com
> CC: net-snmp-users@lists.sourceforge.net
>
> 2010/4/7 X Z <b...@live.com>:
> > The working one (see link up down traps) has the following output:
> > trap: send_trap -1 -1 NET-SNMP-MIB::netSnmpAgentOIDs.10
>
> > The nonworking one has the following output:
> > trap: send_trap -1 -1 NET-SNMP-TC::linux
>
> These actually both refer to the same OID.
>
>
> > Any ideas why the two different MIBs are used?
>
> Have a look at both what MIBs are installed on the two systems,
> and what MIBs are actually *loaded*.
> The debug flag 'parse-mibs' might be useful for this.
>
>
> Though I've no idea why this might affect linkUp/Down traps.
>
> Dave
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