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authorNoel Kuntze <noel@familie-kuntze.de>2017-03-13 16:20:39 +0100
committerTobias Brunner <tobias@strongswan.org>2017-03-23 18:26:54 +0100
commit11ebba0042bbe64fb6dd3bc9bc657a19abd402cd (patch)
tree400488b0584681f3bbda74965e0bd8c3557a353c /man
parentc055c7013e0ccd06fe0af998be046a331cfee1d8 (diff)
downloadstrongswan-11ebba0042bbe64fb6dd3bc9bc657a19abd402cd.tar.bz2
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man: Describe the tunneling of several subnets with IKEv1 in more detail
Diffstat (limited to 'man')
-rw-r--r--man/ipsec.conf.5.in4
1 files changed, 3 insertions, 1 deletions
diff --git a/man/ipsec.conf.5.in b/man/ipsec.conf.5.in
index 3fa34c5da..5d1c63916 100644
--- a/man/ipsec.conf.5.in
+++ b/man/ipsec.conf.5.in
@@ -913,7 +913,9 @@ the greatest common subnet. In IKEv1, this may lead to problems with other
implementations, make sure to configure identical subnets in such
configurations. IKEv2 supports multiple subnets separated by commas. IKEv1 only
interprets the first subnet of such a definition, unless the Cisco Unity
-extension plugin is enabled.
+extension plugin is enabled. This is due to a limitation of the IKEv1 protocol,
+which only allows a single pair of subnets per CHILD_SA. So to tunnel several
+subnets a conn entry has to be defined and brought up for each pair of subnets.
The optional part after each subnet enclosed in square brackets specifies a
protocol/port to restrict the selector for that subnet.