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-rw-r--r--docs/configuration/vpn/ipsec/site2site_ipsec.md18
1 files changed, 18 insertions, 0 deletions
diff --git a/docs/configuration/vpn/ipsec/site2site_ipsec.md b/docs/configuration/vpn/ipsec/site2site_ipsec.md
index d3b65ae1..989bf145 100644
--- a/docs/configuration/vpn/ipsec/site2site_ipsec.md
+++ b/docs/configuration/vpn/ipsec/site2site_ipsec.md
@@ -352,6 +352,24 @@ allows passing plain ESP packets between them.
Name of IKE group to use for key exchanges.
```
+```{cfgcmd} set vpn ipsec site-to-site peer \<name\> ikev2-reauth \<yes|no|inherit\>
+
+**Configure IKEv2 reauthentication behavior for the specified IPsec
+site-to-site peer.**
+
+The following options are available:
+
+* ``yes``: The active IKE SA channel between the two peers is terminated and
+ re-established at each rekeying interval, explicitly re-verifying each
+ peer's identity.
+* ``no`` (default): Reauthentication (identity re-verification) is disabled
+ for this peer. The active IKE SA channel is seamlessly renewed at each
+ rekeying interval without termination.
+* ``inherit``: The peer inherits reauthentication behavior from the assigned
+ IKE group. Reauthentication is applied only if it is explicitly enabled in
+ that group's configuration.
+```
+
```{cfgcmd} set vpn ipsec site-to-site peer \<name\> local-address \<address\>
Local IP address for IPsec connection with this peer.