3. Input IPsec settings.
4. Click the "Apply" button.
5. Click the "Save" button.
Setting Item
IPsec Settings
IPsec Function
IKE Version
VPN Mode
Fragment Method
Static Routing
TCP/MSS Adjustment
IKE Phase 1 Settings
Pre-Shared Key
Value
• Checked: when the IPsec function is
used.
• Unchecked: when the IPsec function
is not used.
• IKEv1: opens the IKEv1 settings
items.
• IKEv2: opens the IKEv2 setting items.
• Policy based: Only traffic that matches
the policy will be subject to VPN
communication.
• Route based: Creates a tunnel
interface and the traffic according to
the routing setting of that interface
will be the target of VPN
communication.
• post-fragment
• pre-fragment
• Checked: When using the default
route
• Unchecked: When not using the
default route
• Checked (Auto): rewrites the MSS
value of TCP packet that passes
through the IPsec tunnel to an
optimum value according to the
encryption algorithm.
• Checked (Fixed): rewrites the MSS
value of TCP packet that passes
through the IPsec tunnel to a
specified fixed value.
• Unchecked: when the MSS value of
the TCP packet that passes through
the IPsec tunnel is not changed.
1 to 64 single-byte characters
ASCII symbols 0x21~0x7e
(Except ", ', `, #, \, $, space, ?)
Remarks
When route based is
selected, it can be
enabled or disabled
Only pre-key sharing
scheme is supported.
|Setting/Setting Confirmation
Initial Value
Disabled
IKEv1
Policy based
post-fragment
Disabled
Disabled
Not set
209