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Re: Help decoding UDPSocket trap data

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  Re: Help decoding UDPSocket trap data Chandra Sekhar <chandu.ch29@gmail.com> - 2011-04-08 07:10 -0500
    Re: Help decoding UDPSocket trap data Brian Candler <b.candler@pobox.com> - 2011-04-08 08:30 -0500

#2524 — Re: Help decoding UDPSocket trap data

Hi,

I am new to ruby.
With above example, tried Trap Listener on windows machine. However I
didn' see the traps.

My code given below:

require "rubygems"
require 'snmp'
require 'logger'


m = SNMP::TrapListener.new(:Host => 'myPcIp', :Port => 162) do
|manager|
      manager.on_trap_default do |trap|
          trap.each_varbind { |v|
         puts 'OID: ' + v.name.to_s + ' Value: ' + v.value.to_s
    }
      end
  end
m.join

Can anybody help on this?

Note: My PC runs on windows XP

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#2531

Chandra Sekhar wrote in post #991736:
> I am new to ruby.
> With above example, tried Trap Listener on windows machine. However I
> didn' see the traps.

(1) Are the trap packets arriving? Run Wireshark to look for them.

(2) You probably need to set up your TrapListener with a community 
string, and your trap sender to use that same community string (for SNMP 
v2c anyway).

The example in the source code at 
http://snmplib.rubyforge.org/svn/trunk/lib/snmp/manager.rb
suggests you need to add something like :Community=>"public"

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