Re: snmptrapd - avoiding ambiguity in log files

Don Cohen wrote:
>  > > I'm really not talking about the input to the shell but the input
>  > > to snmptrapd.  In one case it got a string and in the other case a
>  > > string and an integer.  It could tell the difference.  But the
>  > > distinction was lost in the output it generated.
>  > 
>  > Ok, now I understand what you are asking.
>  > 
>  > What OS and what version of Net-SNMP are you using?  In my syslog and 
>  > also when logging to the console (snmptrapd -Lo -f) my strings are quoted:
> 
>  > SNMPv2-SMI::enterprises.534.1.11.3.0 = STRING: "Alex"
>  > 
>  > I tested with Net-SNMP 5.2.1.2.
> I was using 5.0.9.  It doesn't seem to understand -Lo.
> I now try 5.1.3.1 and I do get quotes.  Good.  
> And it does understand -Lo - I gather that corresponds to -P in 5.0.9.
> 
> But now when I try to use 5.1.3.1 I can't get anything else to work:
> 
> Somehow this quoting feature is sensitive to -M ?
>  # ./net-snmp-5.1.3.1/apps/snmptrapd -f -Lo
>  Cannot find module (IP-MIB): At line 0 in (none)
> ... many more of those complaints
> In order to get rid of them I want to use -M
>  2005-09-07 17:27:44 NET-SNMP version 5.1.3.1 Started.
>  2005-09-07 17:27:51 number3 [10.0.0.1] (via 10.0.0.1) TRAP, SNMP v1,
>  community private
> 	   iso.3.6.1.4.1.2021.13.991 Enterprise Specific Trap (117)
>  Uptime: 145 days, 20:56:01.17
> 	 iso.3.6.1.2.1.1.6.0 = STRING: "XXX	 iso.2.3.4 = INTEGER:
>  1234"
>  2005-09-07 17:29:31 NET-SNMP version 5.1.3.1 Stopped.
> 
>  # ./net-snmp-5.1.3.1/apps/snmptrapd -f -Lo  -M /root/net-snmp-5.1.3.1/mibs/
> [no complaints, so -M did what it was meant to]
>  2005-09-07 17:29:48 NET-SNMP version 5.1.3.1 Started.
>  2005-09-07 17:29:52 number3 [10.0.0.1] (via 10.0.0.1) TRAP, SNMP v1,
>  community private
> 	   UCD-SNMP-MIB::ucdExperimental.991 Enterprise Specific Trap
>  (117) Uptime: 145 days, 20:58:01.51
>        SNMPv2-MIB::sysLocation.0 = STRING: XXX	 iso.2.3.4 = INTEGER:
>  1234
> but now the same input results in no quotes?
> 
> Then I try to get a configuration file to specify how to treat traps:
>  # ./net-snmp-5.1.3.1/apps/snmptrapd -f -c /tmp/snmptrapd.conf
> where /tmp/snmptrapd.conf contains:
>  traphandle default /tmp/snmptraphandler
> and I get
>  No log handling enabled - turning on stderr logging
>  Cannot find module (IP-MIB): At line 0 in (none)
> ...
> and output similar to the first case above without -c,
> but no call to /tmp/snmptraphandler.
> This did work in 5.0.9.

Try calling it with -Dread_config so you can see what configuration 
files it is loading.  Maybe it is loading a snmp.conf file that has an 
option specified that is disabling the quote (not sure if there is one).

Also try calling it with -C to prevent it from loading any other 
configuration files except the ones you list.  On my system, when I run 
snmptrapd with:

snmptrapd -C -Lo -f -M /usr/local/share/snmp/mibs/ -Dread_config -c 
/usr/local/share/snmp/snmptrapd.conf

I get:

read_config: Reading optional config file: 
"/usr/local/share/snmp/snmptrapd.conf"
read_config: Reading configuration /usr/local/share/snmp/snmptrapd.conf
read_config: /usr/local/share/snmp/snmptrapd.conf:23 examining: 
traphandle default /root/traphandle-help default
read_config: Found a parser.  Calling it: traphandle / default 
/root/traphandle-help default
read_config:traphandle: registering handler for: default

any the quoting works.  This is with 5.2.1.2 on Linux and 5.1.3.1 on 
Windows.

Windows: snmptrapd -C -Lo -f -M "c:/program 
files/net-snmp/share/snmp/mibs" -Dread_config -c "c:/Program 
Files/net-snmp/etc/snmp/snmptrapd.conf

Can you do a proper install of 5.1.3.1 instead of running from your home 
directory?

Alex



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