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Cisco Systems WRVS4400NRF Manuale Utente

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Troubleshooting
Cisco WRVS4400N Wireless-N Gigabit Security Router with VPN Administration Guide
182
A
 
STEP 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.
STEP 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 System > Summary 
from 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 window.
STEP 1
Refer to 
 to verify that your 
computer is properly connected to the router.
STEP 2
Verify that your computer has an IP Address, Subnet Mask, Gateway, and DNS.
STEP 3
Set a static IP address on your system; refer to 
 above.
STEP 4
Refer to 
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 VPN > VPN Pass Through. 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.