Virtual Private Networks (VPN) IPsec
IX14 User Guide
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6. The IPsec tunnel is enabled by default. To disable, click Enable.
7. (Optional) Preferred tunnel provides an optional mechanism for IPsec failover behavior. See
Configure IPsec failover for more information.
8. (Optional) Enable Force UDP encapsulation to force the tunnel to use UDP encapsulation
even when it does not detect that NAT is being used.
9. For Zone, select the firewall zone for the IPsec tunnel. Generally this should be left at the
default of IPsec.
Note Depending on your network configuration, you may need to add a packet filtering rule to
allow incoming traffic. For example, for the IPsec zone:
a. Click to expand Firewall > Packet filtering.
b. For Add packet filter, click .
c. For Label, type Allow incoming IPsec traffic.
d. For Source zone, select IPsec.
Leave all other fields at their default settings.
10. For Metric, enter or select the priority of routes associated with this IPsec tunnel. When more
than one active route matches a destination, the route with the lowest metric is used.
The metric can also be used in tandem with SureLink to configure IPsec failover behavior. See
Configure IPsec failover for more information.
11. For Mode, select Tunnel mode. Transport mode is not currently supported.
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