Netgear FVS318Gv2 – ProSAFE VPN Firewall Series 참조 매뉴얼

The previous figure does not show an IPv6 address for the computer but only a 
link-local IPv6 address and an IPv6 default gateway address, both of which start, in 
this case, with fe80.

Most TCP/IP terminal devices and firewalls contain a ping utility that sends an echo request 
packet to the designated device. The device then responds with an echo reply. You can 
easily troubleshoot a TCP/IP network by using the ping utility in your computer or 
workstation.

This section discussion the following topics:

You can ping the VPN firewall from your computer to verify that the LAN path to the VPN 
firewall is set up correctly.

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From the Windows taskbar, click Start and select Run.

In the field provided, type 

ping followed by the IP address of the VPN firewall.

For example:

Click the OK button. A message similar to the following displays:

Pinging <IP address> with 32 bytes of data

If the path is working, you see this message:

Reply from <IP address>: bytes=32 time=NN ms TTL=xxx

If the path is not working, you see this message:

Request timed out

If the path is not functioning correctly, it might be for one of the following reasons:

Wrong physical connections

Make sure that the LAN port LED is on.

If the LED is off, follow the instructions in 

Check that the corresponding Link LEDs are on for your network interface card 
and for the hub ports (if any) that are connected to your workstation and VPN 
firewall.