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Todo #12180

closed

Feedback on Virtual Private Networks — IPsec — IPsec Configuration

Added by Viktor Gurov over 4 years ago. Updated over 4 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
IPsec
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:

Description

Page: https://docs.netgate.com/pfsense/en/latest/vpn/ipsec/configure.html#advanced-options

Feedback:

Split Connections
(IKEv2 Only) When an IKEv2 tunnel has multiple Phase 2 definitions, by default the settings are collapsed in the IPsec configuration such that all P2 combinations are held in a single child SA.

Split Connections changes this behavior to be more like IKEv1 where each P2 is its configured by the daemon as own separate child SA.

Certain scenarios require this behavior, such as:

The remote peer does not properly handle multiple addresses in single traffic selectors. This is especially common in Cisco equipment.

not only Cisco equipment - also Checkpoint, Fortinet and Juniper

see:
https://wiki.strongswan.org/projects/strongswan/wiki/FAQ#Multiple-subnets-per-SA
https://wiki.strongswan.org/projects/strongswan/wiki/Checkpoint
https://wiki.strongswan.org/projects/strongswan/wiki/Fortinet
https://wiki.strongswan.org/projects/strongswan/wiki/Juniper

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