Cisco WRV200 User Guide - Page 38

Troubleshooting, VPN -> VPN Pass Through - setup

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Appendix A Troubleshooting b. Click the Network and Internet Connections icon and then the Network Connections icon. c. Right-click the Local Area Connection associated with your Ethernet adapter, and click Properties. d. In the This connection uses the following items box, select Internet Protocol (TCP/IP) and click Properties. Make sure that Obtain an IP address automatically and Obtain DNS server address automatically are selected. 2. Open a command prompt: a. Windows 2000 and XP: Click Start and Run. In the Open field, type cmd. Press Enter or click OK. 3. At the command prompt, type ping 192.168.1.1 and press Enter. • If you get a reply, the computer is communicating with the Router. • If you do NOT get a reply, check the cable, and make sure Obtain an IP address automatically is selected in the TCP/IP settings for your Ethernet adapter. 4. At the command prompt, type ping followed by your Internet IP address and press Enter. The Internet IP Address can be found in the web interface of the Router. For example, if your Internet IP address is 1.2.3.4, you would enter ping 1.2.3.4 and press Enter. • If you get a reply, the computer is connected to the Router. • If you do NOT get a reply, try the ping command from a different computer to verify that your original computer is not the cause of the problem. 5. At the command prompt, type ping www.linksys.com and press Enter. • If you get a reply, the computer is connected to the Internet. If you cannot open a web page, try the ping command from a different computer to verify that your original computer is not the cause of the problem. • If you do NOT get a reply, there may be a problem with the connection. Try the ping command from a different computer to verify that your original computer is not the cause of the problem. I am not getting an IP address on the Internet with my Internet connection. 1. Refer to "I want to test my Internet connection" above to verify that you have connectivity. 2. If you need to clone the MAC address of your Ethernet adapter onto the Router, see the MAC Address Clone section of "Chapter 5: Configuring the Wireless-G Router" for details. Wireless-G VPN Router with RangeBooster 3. Make sure you are using the right Internet settings. Contact your ISP to see if your Internet connection type is DHCP, Static IP Address, or PPPoE (commonly used by DSL consumers). Please refer to the Basic Setup section of "Chapter 5: Configuring the Wireless-G Router" for details on Internet Connection Type settings. 4. Make sure you use the right cable. Check to see if the Internet LED is solidly lit. 5. Make sure the cable connecting from your cable or DSL modem is connected to the Router's Internet port. Verify that the Status page of the Router's Web-based Utility shows a valid IP address from your ISP. 6. Turn off the computer, Router, and cable/DSL modem. Wait 30 seconds, and then turn on the Router, cable/ DSL modem, and computer. Check the System Summary tab of the Router's Web-based Utility to see if you get an IP address. I am not able to access the Router's Web-based Utility Setup page. 1. Refer to "I want to test my Internet connection" above to verify that your computer is properly connected to the Router. 2. Verify that your computer has an IP Address, Subnet Mask, Gateway, and DNS. 3. Set a static IP address on your system; refer to "I need to set a static IP address" above. 4. Refer to "I need to remove the proxy settings or the dial-up pop-up window (for PPPoE users)" below. I can't get my Virtual Private Network (VPN) to work through the Router. Access the Router's web interface by going to http://192.168.1.1 or the IP address of the Router, and go to the VPN -> VPN Pass Through tab. Make sure you have IPSec passthrough and/or PPTP passthrough enabled. VPNs that use IPSec with the ESP (Encapsulation Security Payload known as protocol 50) authentication will work fine. At least one IPSec session will work through the Router; however, simultaneous IPSec sessions may be possible, depending on the specifics of your VPNs. VPNs that use IPSec and AH (Authentication Header known as protocol 51) are incompatible with the Router. AH has limitations due to occasional incompatibility with the NAT standard. Change the IP address for the Router to another subnet to avoid a conflict between the VPN IP address and your local IP address. For example, if your VPN server assigns an IP address 192.168.1.X (X is a number from 1 to 254) and your local LAN IP address is 192.168.1.X (X is the same 33

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³³
Troubleshooting
Wireless-G VPN Router with RangeBooster
Appendix A
Click the
Network and Internet Connections
icon
and then the
Network Connections
icon.
Right-click the
Local Area Connection
associated
with your Ethernet adapter, and click
Properties
.
In the
This  connection  uses  the  following  items
box, select
Internet Protocol (TCP/IP)
and click
Properties
. Make sure that
Obtain an IP address
automatically
and
Obtain DNS server address
automatically
are selected.
Open a command prompt:
Windows 2000 and XP:
Click
Start
and
Run
. In the
 
Open 
field, type
cmd
. Press
Enter
or click
OK
.
At the command prompt, type
ping ±9².±¶8.±.±
and
press
Enter
.
If you get a reply, the computer is communicating
with the Router.
If you do NOT get a reply, check the cable, and make
sure
Obtain an IP address automatically
is selected
in the TCP/IP settings for your Ethernet adapter.
At the command prompt, type
ping
followed by your
Internet IP address and press
Enter
. The Internet
IP Address can be found in the web interface of the
Router. For example, if your Internet IP address is
1.2.3.4, you would enter
ping ±.².³.´
and press
Enter
.
If you get a reply, the computer is connected to
the Router.
If you do NOT get a reply, try the ping command
from a different computer to verify that your
original computer is not the cause of the problem.
At the command prompt, type
ping www.linksys.com
and press
Enter
.
If you get a reply, the computer is connected to
the Internet. If you cannot open a web page, try
the ping command from a different computer to
verify that your original computer is not the cause
of the problem.
If you do NOT get a reply, there may be a problem
with the connection. Try the ping command from
a different computer to verify that your original
computer is not the cause of the problem.
I am not getting an IP address on the Internet with my
Internet connection.
Refer to “I want to test my Internet connection” above
to verify that you have connectivity.
If you need to clone the MAC address of your Ethernet
adapter onto the Router, see the MAC Address Clone
section of “Chapter 5: Configuring the Wireless-G
Router” for details.
b.
c.
d.
2.
a.
3.
•
•
4.
•
•
5.
•
•
1.
2.
Make sure you are using the right Internet settings.
Contact your ISP to see if your Internet connection type
is DHCP, Static IP Address, or PPPoE (commonly used by
DSL consumers). Please refer to the Basic Setup section
of “Chapter 5: Configuring the Wireless-G Router” for
details on Internet Connection Type settings.
Make sure you use the right cable. Check to see if the
Internet LED is solidly lit.
Make sure the cable connecting from your cable or
DSL modem is connected to the Router’s Internet port.
Verify that the Status page of the Router’s Web-based
Utility shows a valid IP address from your ISP.
Turn off the computer, Router, and cable/DSL modem.
Wait 30 seconds, and then turn on the Router, cable/
DSL modem, and computer. Check the System
Summary tab of the Router’s Web-based Utility to see
if you get an IP address.
I am not able to access the Router’s Web-based Utility
Setup page.
Refer to “I want to test my Internet connection” above
to verify that your computer is properly connected to
the Router.
Verify that your computer has an IP Address, Subnet
Mask, Gateway, and DNS.
Set a static IP address on your system; refer to “I need
to set a static IP address” above.
Refer to “I need to remove the proxy settings or the
dial-up pop-up window (for PPPoE users)” below.
I can’t get my Virtual Private Network (VPN) to work
through the Router.
Access
the
Router’s
web
interface
by
going
to
http://±9².±¶8.±.±
or the IP address of the Router, and go
to the
VPN -> VPN Pass Through
tab. Make sure you have
IPSec passthrough and/or PPTP passthrough enabled.
VPNs that use IPSec with the ESP (Encapsulation Security
Payload known as protocol 50) authentication will work
fine. At least one IPSec session will work through the
Router; however, simultaneous IPSec sessions may be
possible, depending on the specifics of your VPNs.
VPNs that use IPSec and AH (Authentication Header
known as protocol 51) are incompatible with the Router.
AH has limitations due to occasional incompatibility with
the NAT standard.
Change the IP address for the Router to another subnet
to avoid a conflict between the VPN IP address and your
local IP address. For example, if your VPN server assigns
an IP address 192.168.1.X (X is a number from 1 to 254)
and your local LAN IP address is 192.168.1.X (X is the same
3.
4.
5.
6.
1.
2.
3.
4.