3 files changed, 25 insertions, 0 deletions
diff --git a/interface-definitions/include/accel-ppp/ppp-options-ipv4.xml.i b/interface-definitions/include/accel-ppp/ppp-options-ipv4.xml.i
new file mode 100644
index 000000000..3e065329d
--- /dev/null
+++ b/interface-definitions/include/accel-ppp/ppp-options-ipv4.xml.i
@@ -0,0 +1,23 @@
+<!-- include start from accel-ppp/ppp-options-ipv4.xml.i -->
+<leafNode name="ipv4">
+  <properties>
+    <help>IPv4 negotiation algorithm</help>
+    <constraint>
+      <regex>^(deny|allow)$</regex>
+    </constraint>
+    <constraintErrorMessage>invalid value</constraintErrorMessage>
+    <valueHelp>
+      <format>deny</format>
+      <description>Do not negotiate IPv4</description>
+    </valueHelp>
+    <valueHelp>
+      <format>allow</format>
+      <description>Negotiate IPv4 only if client requests</description>
+    </valueHelp>
+    <completionHelp>
+      <list>deny allow</list>
+    </completionHelp>
+  </properties>
+  <defaultValue>allow</defaultValue>
+</leafNode>
+<!-- include end -->
diff --git a/interface-definitions/include/accel-ppp/ppp-options-ipv6.xml.i b/interface-definitions/include/accel-ppp/ppp-options-ipv6.xml.i
index cd40a1f96..b9fbac5c6 100644
--- a/interface-definitions/include/accel-ppp/ppp-options-ipv6.xml.i
+++ b/interface-definitions/include/accel-ppp/ppp-options-ipv6.xml.i
@@ -26,5 +26,6 @@
       <list>deny allow prefer require</list>
     </completionHelp>
   </properties>
+  <defaultValue>deny</defaultValue>
 </leafNode>
 <!-- include end -->
diff --git a/interface-definitions/vpn_sstp.xml.in b/interface-definitions/vpn_sstp.xml.in
index 9901a0cdf..fe2fea9f8 100644
--- a/interface-definitions/vpn_sstp.xml.in
+++ b/interface-definitions/vpn_sstp.xml.in
@@ -43,6 +43,7 @@
             </properties>
             <children>
               #include <include/accel-ppp/ppp-mppe.xml.i>
+              #include <include/accel-ppp/ppp-options-ipv4.xml.i>
               #include <include/accel-ppp/ppp-options-ipv6.xml.i>
               #include <include/accel-ppp/lcp-echo-interval-failure.xml.i>
               #include <include/accel-ppp/lcp-echo-timeout.xml.i>