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Info: ModusGate Appliance Cannot be Reached after Hooking up to the Network

 

Product: ModusGate Appliance

Version & Build: All

 

 

 

Problem:

 

If you use the Knob to change the IP address of the NIC, the machine is no longer reachable. 

 

 

Reason:

 

The knob only lets you control the IP address and netmask of the NIC, not the Gateway.  Assuming your appliance is in your DMZ and you are using Remote Desktop or https to connect to it, chances are it cannot reply it does not know the Gateway.

 

The knob is available as a quick-fix when you need to hook up to the machine and you are on the same subnet talking to the same switch or if you want to connect to the box using a cross-cable and need to set an IP address.

 

 

Solution:

 

Change the IP address so that it uses DHCP again and then use Remote Desktop to get to the box and change the IP and Gateway of the NIC from within Windows.  You will be able to see what IP address was assigned to the machine by rotating the Knob.  If you cannot get to the machine, attach a keyboard and monitor to the box and make the necessary changes by logging in from the Windows console.

 

  • Login to Windows
  • Go to Control Panel > Network Connections
  • Right-click on LanX (where X = port you are using) and select Properties
  • Select TCP/IP > Properties
  • Change the IP, Netmask, Gateway and DNS Server addresses

Modified 3/27/2007
Keywords: celestix appliance DHCP IP gateway
Article ID: 1563