Netgear SRX5308 User Manual Page 392

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Troubleshooting
392
ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308
f. Make sure that an IPv6 address shows. 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.
Troubleshoot a TCP/IP Network Using a Ping Utility
Test the LAN Path to Your VPN Firewall
Test the Path from Your Computer to a Remote Device
Most TCP/IP terminal devices and firewalls cont
ain 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.
Test the LAN Path to Your VPN Firewall
You can ping the VPN firewall from your computer to verify that the LAN path to the VPN
firewall is set up correctly.
To ping the VPN firewall from a computer running Windows 95 or later:
1. From the Win
dows taskbar, click Start and select Run.
2. In
the field provided, type ping followed by the IP address of the VPN firewall, for example:
ping 192.168.1.1
3. Click OK. A me
ssage similar to the following should display:
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, you could have one of the following problems:
W
rong physical connections
- Make sure tha
t the LAN port LED is on. If the LED is off, follow the instructions in
LAN or WAN Port LEDs Not On on p
age 386.
- 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.
W
rong network configuration
- V
erify that the Ethernet card driver software and TCP/IP software are both
installed and configured on your computer or workstation.
- V
erify that the IP address for your VPN firewall and your workstation are correct
and that the addresses are on the same subnet.
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