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VPN Tunnel Example 1
VPN Tunnel From More Than
One 8205 Router to the Same
Remote Peer Device
If you are configuring tunnels to a central site from
more than one 8205 router, the tunnels will not work
with the routers factory default configuration. When
more than one 8205 router establishes a tunnel to the
same remote device, you must change the default IP
configuration on the additional 8205 routers.
The central site VPN device will not be able to
recognize the difference between the local network at
each remote site with the default configuration. The
default IP subnet assigned to the LAN by the router
is 192.168.1.0. You cannot have more than one
tunnel configured to the same subnet.
Complete these basic steps:
1 Change the default IP address of the routers
LAN 1 port.
2 Change the range of addresses assigned by the
routers DHCP server.
3 Start the VPN Tunnel wizard.
Change the default IP address on LAN 1
1 If it is not already open, start Intel
®
Device View
and open the router for management.
2 From the Configuration menu, select Connection
Setup.
3 Double-click the LAN 1 port in the Ports/
Connections list.
4 Type the new IP address and network mask. Get
this from the system administrator at the central
site who configures the remote VPN peer device.
5 Click OK.
6 On the Connection Setup dialog, click Accept.
7 From the Configuration menu, select Save to
Flash Memory.
Important! The PC you use to configure the router
from now on must have an IP address on the same
subnet as the routers new IP address.
7074
®
IntelRouter
Status LAN WAN LinkWAN SwitchWAN ControlTest Mode100 Mbps
xDSL/cable
modem
192.168.1.1
Branch office 1
Subnet 192.168.1.0
®
IntelRouter
Status LAN WAN LinkWAN SwitchWAN ControlTest Mode100 Mbps
xDSL/cable
modem
Intel
®
8205
Router
192.168.2.1
Branch office 2
Subnet 192.168.2.0
Central Site
Subnet 10.3.4.0
VPN Peer
(gateway
or router)
V
P
N
Tu
n
n
e
l
Internet
(ISP)
10.3.4.1
Intel
®
8205
Router
Figure 21. Example VPN Tunnels. Two tunnels to the
same central site VPN device from more than one 8205
router.
Figure 22. Change the LAN 1 IP address. Type an IP
address on the same subnet as your local network.
A43586-001.p65 10/24/00, 10:44 AM12