Difference between revisions of "Advanced Network Testing"

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In most cases switches over 12 ports will be Rack Mount, but not always! In some cases the device may be rack mount but not have rails attached to it.
 
In most cases switches over 12 ports will be Rack Mount, but not always! In some cases the device may be rack mount but not have rails attached to it.
  
'''Testing a switch with a console port'''
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'''Testing a network device with a console port'''
 
   
 
   
Most rack mount switches will have a console port to be able to configure the device (if it does not, the standard Network Test page will have better instruction)
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Most commercial grade routers, switches and firewalls have a console port that is used to configure the device (if it does not, the standard [[Network Testing]] page will have better instructions).  The industry standard for console ports is to operate at 9600 bps, 8 data bits, no parity and 1 stop bit but, if you are having a difficult time communicating with a device, you should also try 19200, 38400 and 115200 bps speeds.
  
'''Step 1:''' Reset or "clear" the switch, there are two ways of doing this. One is to use a paper clip and push in the reset button, but there is not always a reset button on all switches. If the switch does not have a reset button or it seems to do nothing, try the second method. The second way of resetting a switch is to access its console. Learning how to do this early in the testing process generally helps. There are a few different configuration applications that run in a console or "terminal" window, the best one to use (and the one that is already installed) is Minicom. You can start Minicom by opening a terminal window and running the command "minicom -s"
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'''Step 1:''' Return the device to factory defaults.  There is typically done by pressing a "Reset" button, but techniques vary between manufacturers and models.  For example, the Juniper Networks NetScreen-5GT Firewall requires you to wait for the unit to completely boot up, then press the reset button for six seconds, release the button for two seconds, then press the button for another six seconds.  If you are having a difficult time defaulting a device, do a Google search that includes that manufacturer and model and the words "factory default". Reset buttons are usually recessed and require you to insert the end of a paper clip into a hole in the case of the unit that has the reset button behind it.
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If the device does not have a reset button or it seems to do nothing, try the second method. The second way of resetting a switch is to access its console. Learning how to do this early in the testing process generally helps. There are a few different configuration applications that run in a console or "terminal" window, the best one to use (and the one that is already installed) is Minicom. You can start Minicom by opening a terminal window and running the command "minicom -s"
 
After opening Minicom, you will be prompted to hit enter to continue.
 
After opening Minicom, you will be prompted to hit enter to continue.
  
 
==Test Procedures for Specific Models==
 
==Test Procedures for Specific Models==
  
[[Advanced Network Testing/Cisco PIX|Cisco PIX]] Firewalls<br>
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[[Advanced Network Testing/Cisco PIX|Cisco PIX Firewalls]]
[[Advanced Network Testing/Cisco Routers| Cisco Routers]]<br>
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[[Advanced Network Testing/NetScreen-5GT|Juniper NetScreen-5GT]] Firewalls<br>
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[[Advanced Network Testing/Cisco Routers| Cisco Routers]]
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[[Advanced Network Testing/NetScreen-5GT|Juniper NetScreen-5GT Firewalls]]

Revision as of 23:22, 30 October 2010

This page or section appears to be out of date or otherwise inaccurate.
Please edit as seems necessary, removing the {{cleanup}} tag when you are through.

Rack Mount and Larger Switch Testing

This section is a short guide for testing larger switches (usually more than 12 ports) If you are trying configure a small switch (less than 12 ports), refer to the "Basic" Network Test Page In most cases switches over 12 ports will be Rack Mount, but not always! In some cases the device may be rack mount but not have rails attached to it.

Testing a network device with a console port

Most commercial grade routers, switches and firewalls have a console port that is used to configure the device (if it does not, the standard Network Testing page will have better instructions). The industry standard for console ports is to operate at 9600 bps, 8 data bits, no parity and 1 stop bit but, if you are having a difficult time communicating with a device, you should also try 19200, 38400 and 115200 bps speeds.

Step 1: Return the device to factory defaults. There is typically done by pressing a "Reset" button, but techniques vary between manufacturers and models. For example, the Juniper Networks NetScreen-5GT Firewall requires you to wait for the unit to completely boot up, then press the reset button for six seconds, release the button for two seconds, then press the button for another six seconds. If you are having a difficult time defaulting a device, do a Google search that includes that manufacturer and model and the words "factory default". Reset buttons are usually recessed and require you to insert the end of a paper clip into a hole in the case of the unit that has the reset button behind it.

If the device does not have a reset button or it seems to do nothing, try the second method. The second way of resetting a switch is to access its console. Learning how to do this early in the testing process generally helps. There are a few different configuration applications that run in a console or "terminal" window, the best one to use (and the one that is already installed) is Minicom. You can start Minicom by opening a terminal window and running the command "minicom -s" After opening Minicom, you will be prompted to hit enter to continue.

Test Procedures for Specific Models

Cisco PIX Firewalls

Cisco Routers

Juniper NetScreen-5GT Firewalls