From ccc0f37098ff2cd021ad95a49c3963ce4990c286 Mon Sep 17 00:00:00 2001
From: Ad Schellevis <ad@opnsense.org>
Date: Mon, 3 Feb 2020 14:08:15 +0100
Subject: [PATCH] OpenVPN csc ipv6, wrong ifconfig-ipv6-push format. for
 https://github.com/opnsense/core/issues/3907

---
 src/etc/inc/plugins.inc.d/openvpn.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/etc/inc/plugins.inc.d/openvpn.inc b/src/etc/inc/plugins.inc.d/openvpn.inc
index 14d165c63..dc7834625 100644
--- a/src/etc/inc/plugins.inc.d/openvpn.inc
+++ b/src/etc/inc/plugins.inc.d/openvpn.inc
@@ -1071,7 +1071,7 @@ function openvpn_csc_conf_write($settings, $server, $target_filename = null)
         if ($server['dev_mode'] == 'tun' && empty($server['topology_subnet'])) {
             $conf .= "ifconfig-ipv6-push {$ipv6_2} {$ipv6_1}\n";
         } else {
-            $conf .= "ifconfig-ipv6-push {$ipv6_2} {$prefix}\n";
+            $conf .= "ifconfig-ipv6-push {$ipv6_2}/{$prefix}\n";
         }
     }