Westermo RedFox Series - Manual (Page 809)

Westermo OS Management Guide
Version 4.17.0-0
35.2 Managing VPN settings via the web interface
35.2.1 Manage IPsec VPN via the web interface
Menu path: Configuration ⇒ VPN & Tunnel ⇒ IPsec
The main IPsec VPN configuration pages contains two parts: the top part lists
general IPsec settings applying to all ports, the bottom part shows a list of cur-
rently configured IPsec tunnels.
General IPsec settings:
NAT
Traversal
(NAT-T) Enable NAT traversal support by checking the check box, disable
NAT traversal support by un-checking the checkbox. The NAT-
traversal setting will apply to all IPsec tunnels.
NAT Traversal can cause inter-operability problems with some
IPsec clients, so the default setting is disabled.
However, when NAT-T is enabled it only kicks in when the server
and client detects they are being NAT’ed. So in most cases it is a
safe option to set.
MTU
Override Specify the maximum transfer unit for IPsec packets. The setting
affects all IPsec tunnels.
Restart Click this button to restart the IPsec daemon. All IPsec tunnels
will be torn down and restarted.
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