Dell SonicWALL GX250 Manual page 141

5. Enter the SonicWALL GX250 WAN IP Address in the IPSec Gateway Address
field. This address must be valid, and is the SonicWALL GX250 NAT Public Address,
or "216.0.0.20."
6. Enter "86,400" in the SA Life time (secs) field to renegotiate keys daily.
7. Select the encryption algorithm from the Encryption Method menu. The San
Francisco office Encryption Method must match Chicago, so ARC Four must be
selected.
8. Enter the same Shared Secret used in the Chicago Office SonicWALL GX250 into
the SonicWALL TELE2 Shared Secret field.
9. Click Add New Network... to open the VPN Destination Network window and
define the destination network addresses.
10. Enter the IP address and subnet mask of the destination network, the Chicago of-
fice, in the Network and Subnet Mask fields. Since NAT is enabled at the Chicago
office, enter a private LAN IP address. In this example, enter "192.168.2.1" and
subnet mask "255.255.255.0."
11. Click Advanced Settings.
12. Check Enable Keep Alive if you want the SA to check for an active VPN tunnel
while the tunnel is connected.
13. Check Enable Perfect Forward Secrecy for added security.
14. Check Enable Windows Networking (NetBIOS) broadcast to allow the re-
mote site access to network resources by browsing the Windows Network Neigh-
borhood.
15. Check Apply NAT and firewall rules if applicable.
16. Check Forward Packets to Remote VPNs if configuring a "hub and spoke"net-
work.
17. Check Route all Internet Traffic through this SA if configuring a remote site
without access to the Internet via the VPN tunnel.
18. Enter the Default LAN Gateway if Route all Internet traffic through this SA
is checked.
19. Click OK to close the Advanced Settings window.
20. Click Update to add the remote network and close the VPN Destination Net-
work window. Once the SonicWALL TELE2 has been updated, a message confirm-
ing the update is displayed at the bottom of the browser window.
Note: Since Window Networking (NetBIOS) has been enabled, users may view remote
computers in their Windows Network Neighborhood. Users may also access resources
on the remote LAN by entering servers' or workstations remote IP addresses.
SonicWALL Internet Security Appliance Guide Page 141