SNMP simulator installation guide

About SNMP Simulator

The the SNMP Simulator software is intended for testing SNMP Managers against a large number of SNMP Agents that represent a potentially very large network populated with different kinds of SNMP-capable devices.

Refers to its project page for more info.

Why?

With SNMP simulator you can simulate a device by the output of SNMPwalk without considering MIB files.

This article is about how to install SNMP Simulator.

1. Install Python

   Download/execute Python installation files from the official website.

   Installation option:

2. Install PyCrypto

   SNMP simulator depends on the packages:

   • PyASN1
   • PySNMP
   • PyCrypto
   • pysmi
   • ply

   It always fails when installing PyCrypto by pip with error:

   running build_ext
   warning: GMP or MPIR library not found; Not building Crypto.PublicKey._fastmath.
   building 'Crypto.Random.OSRNG.winrandom' extension
   error: Unable to find vcvarsall.bat
   ----------------------------------------
   Command d:\program files (x86)\python3.5\python.exe; -u -c import setuptools,tokenize;__file__='D:\\temp\\OSTEMP\\pip-build-9o27ywdt\\pycrypto\\setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec')) install --record D:\temp\OSTEMP\pip-3h_5j6n8-record\install-record.txt --single-version-externally-managed --compile failed with error code 1 in D:\temp\OSTEMP\pip-build-9o27ywdt\pycrypto\
   

   Refer to stackoverflow, I would like to install a build distribution from 3rd party.

   • For Python 2.6, 2.7, 3.2, 3.3, 3.4

     Visit the link to select/download Pycrypto installation file, execute the file to finish PyCrypto setup

     E.g.:

     • For Python3.4 32bit, choose pycrypto-2.6.1.win32-py3.4.exe

     • For Python3.4 64 bit, choose pycrypto-2.6.1.win-amd64-py3.4.exe

   • For Python3.5

     Install PyCrypto by pip command

     • 64-bit

       pip install --use-wheel --no-index --find-links=https://github.com/sfbahr/PyCrypto-Wheels/raw/master/pycrypto-2.6.1-cp35-none-win_amd64.whl pycrypto
       

     • 32bit

       pip install --use-wheel --no-index --find-links=https://github.com/sfbahr/PyCrypto-Wheels/raw/master/pycrypto-2.6.1-cp35-none-win32.whl pycrypto
       

3. Install SNMPsim:

   • Python3.5 and newer versions

     Install SNMP Simulator by pip command:

     pip install snmpsim
     

   • Previous versions:

     Refer to SNMPsim pypi page, copy egg file’s hyperlink to install it by easy_install tool

     easy_install.exe egg_file_hyperlink
     

4. Run it:

Note:

• If Python is not in your OS path environment, enter to pip folder by command:

  cd $python installation folder$/scripts
  

  when the installation was done, snmpsimd.py also in the folder: python installation folder/scripts

• Pycrypto installation issue

  On Linux, you may meet an issue:

  warning: GMP or MPIR library not found; Not building Crypto.PublicKey._fastmath.
  src/MD2.c:31:20: fatal error: Python.h: No such file or directory
  compilation terminated.
  

  Solution:

  Install Python-dev by apt-get command

  sudo apt-get install python-dev
  

• Newer version is strongly recommended

  Checked the changelog from its official website.

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