T5971: Rewritten ppp options in accel-ppp services

Rewritten 'ppp-options' to the same view in all accel-ppp services.
Adding IPv6 support to PPTP.

(cherry picked from commit d9e57fe65dd538c6ea80637f4f6f23cf11dc583d)

26 files changed, 401 insertions, 368 deletions

diff --git a/data/templates/accel-ppp/l2tp.config.j2 b/data/templates/accel-ppp/l2tp.config.j2
index f041e278e..203a9772e 100644
--- a/data/templates/accel-ppp/l2tp.config.j2
+++ b/data/templates/accel-ppp/l2tp.config.j2
@@ -65,30 +65,8 @@ ipv6-pool-delegate={{ default_ipv6_pool }}
 {# Common chap-secrets and RADIUS server/option definitions #}
 {% include 'accel-ppp/config_chap_secrets_radius.j2' %}
 
-[ppp]
-verbose=1
-check-ip=1
-single-session=replace
-lcp-echo-interval={{ ppp_options.lcp_echo_interval }}
-lcp-echo-timeout={{ ppp_options.lcp_echo_timeout }}
-lcp-echo-failure={{ ppp_options.lcp_echo_failure }}
-{# MTU #}
-mtu={{ mtu }}
-ipv6={{ 'allow' if ppp_options.ipv6 is vyos_defined("deny") and client_ipv6_pool is vyos_defined else ppp_options.ipv6 }}
-ipv4={{ ppp_options.ipv4 }}
-mppe={{ ppp_options.mppe }}
-{% if ccp_disable is vyos_defined %}
-ccp=0
-{% endif %}
-unit-preallocate={{ "1" if authentication.radius.preallocate_vif is vyos_defined else "0" }}
-
-{% if ppp_options.ipv6_intf_id is vyos_defined %}
-ipv6-intf-id={{ ppp_options.ipv6_intf_id }}
-{% endif %}
-{% if ppp_options.ipv6_peer_intf_id is vyos_defined %}
-ipv6-peer-intf-id={{ ppp_options.ipv6_peer_intf_id }}
-{% endif %}
-ipv6-accept-peer-intf-id={{ "1" if ppp_options.ipv6_accept_peer_intf_id is vyos_defined else "0" }}
+{# Common ppp-options definitions #}
+{% include 'accel-ppp/ppp-options.j2' %}
 
 {# Common IPv6 pool definitions #}
 {% include 'accel-ppp/config_ipv6_pool.j2' %}
@@ -98,5 +76,4 @@ ipv6-accept-peer-intf-id={{ "1" if ppp_options.ipv6_accept_peer_intf_id is vyos_
 
 [cli]
 tcp=127.0.0.1:2004
-sessions-columns=ifname,username,calling-sid,ip,{{ ip6_column | join(',') }}{{ ',' if ip6_column }}rate-limit,type,comp,state,rx-bytes,tx-bytes,uptime
 
diff --git a/data/templates/accel-ppp/ppp-options.j2 b/data/templates/accel-ppp/ppp-options.j2
new file mode 100644
index 000000000..f2d2519d9
--- /dev/null
+++ b/data/templates/accel-ppp/ppp-options.j2
@@ -0,0 +1,39 @@
+#ppp options
+[ppp]
+verbose=1
+check-ip=1
+ccp={{ "0" if ppp_options.disable_ccp is vyos_defined else "1" }}
+unit-preallocate={{ "1" if authentication.radius.preallocate_vif is vyos_defined else "0" }}
+{% if ppp_options.min_mtu is vyos_defined %}
+min-mtu={{ ppp_options.min_mtu }}
+{% endif %}
+{% if ppp_options.mru is vyos_defined %}
+mru={{ ppp_options.mru }}
+{% endif %}
+mppe={{ ppp_options.mppe }}
+lcp-echo-interval={{ ppp_options.lcp_echo_interval }}
+lcp-echo-timeout={{ ppp_options.lcp_echo_timeout }}
+lcp-echo-failure={{ ppp_options.lcp_echo_failure }}
+{% if ppp_options.ipv4 is vyos_defined %}
+ipv4={{ ppp_options.ipv4 }}
+{% endif %}
+{# IPv6 #}
+{% if ppp_options.ipv6 is vyos_defined %}
+ipv6={{ ppp_options.ipv6 }}
+{%     if ppp_options.ipv6_interface_id is vyos_defined %}
+ipv6-intf-id={{ ppp_options.ipv6_interface_id }}
+{%     endif %}
+{%     if ppp_options.ipv6_peer_interface_id is vyos_defined %}
+{%         if ppp_options.ipv6_peer_interface_id == 'ipv4-addr' %}
+ipv6-peer-intf-id=ipv4
+{%         else %}
+ipv6-peer-intf-id={{ ppp_options.ipv6_peer_interface_id }}
+{%         endif %}
+{%     endif %}
+ipv6-accept-peer-intf-id={{ "1" if ppp_options.ipv6_accept_peer_interface_id is vyos_defined else "0" }}
+{% endif %}
+{# MTU #}
+mtu={{ mtu }}
+{% if ppp_options.interface_cache is vyos_defined %}
+unit-cache={{ ppp_options.interface_cache }}
+{% endif %}
diff --git a/data/templates/accel-ppp/pppoe.config.j2 b/data/templates/accel-ppp/pppoe.config.j2
index fb8a11366..bf7b2eb72 100644
--- a/data/templates/accel-ppp/pppoe.config.j2
+++ b/data/templates/accel-ppp/pppoe.config.j2
@@ -70,40 +70,8 @@ single-session={{ session_control }}
 max-starting={{ max_concurrent_sessions }}
 {% endif %}
 
-[ppp]
-verbose=1
-check-ip=1
-ccp={{ "1" if ppp_options.ccp is vyos_defined else "0" }}
-unit-preallocate={{ "1" if authentication.radius.preallocate_vif is vyos_defined else "0" }}
-{% if ppp_options.min_mtu is vyos_defined %}
-min-mtu={{ ppp_options.min_mtu }}
-{% endif %}
-{% if ppp_options.mru is vyos_defined %}
-mru={{ ppp_options.mru }}
-{% endif %}
-mppe={{ ppp_options.mppe }}
-lcp-echo-interval={{ ppp_options.lcp_echo_interval }}
-lcp-echo-timeout={{ ppp_options.lcp_echo_timeout }}
-lcp-echo-failure={{ ppp_options.lcp_echo_failure }}
-{% if ppp_options.ipv4 is vyos_defined %}
-ipv4={{ ppp_options.ipv4 }}
-{% endif %}
-{# IPv6 #}
-{% if ppp_options.ipv6 is vyos_defined %}
-ipv6={{ ppp_options.ipv6 }}
-{%     if ppp_options.ipv6_intf_id is vyos_defined %}
-ipv6-intf-id={{ ppp_options.ipv6_intf_id }}
-{%     endif %}
-{%     if ppp_options.ipv6_peer_intf_id is vyos_defined %}
-ipv6-peer-intf-id={{ ppp_options.ipv6_peer_intf_id }}
-{%     endif %}
-ipv6-accept-peer-intf-id={{ "1" if ppp_options.ipv6_accept_peer_intf_id is vyos_defined else "0" }}
-{% endif %}
-{# MTU #}
-mtu={{ mtu }}
-{% if ppp_options.interface_cache is vyos_defined %}
-unit-cache={{ ppp_options.interface_cache }}
-{% endif %}
+{# Common ppp-options definitions #}
+{% include 'accel-ppp/ppp-options.j2' %}
 
 [pppoe]
 verbose=1
diff --git a/data/templates/accel-ppp/pptp.config.j2 b/data/templates/accel-ppp/pptp.config.j2
index daafd6e92..7fe4b17bf 100644
--- a/data/templates/accel-ppp/pptp.config.j2
+++ b/data/templates/accel-ppp/pptp.config.j2
@@ -6,6 +6,8 @@ shaper
 {# Common authentication backend definitions #}
 {% include 'accel-ppp/config_modules_auth_mode.j2' %}
 ippool
+{# Common IPv6 definitions #}
+{% include 'accel-ppp/config_modules_ipv6.j2' %}
 {# Common authentication protocols (pap, chap ...) #}
 {% if authentication.require is vyos_defined %}
 {%     if authentication.require == 'chap' %}
@@ -40,7 +42,6 @@ wins{{ loop.index }}={{ server }}
 {%     endfor %}
 {% endif %}
 
-
 [pptp]
 ifname=pptp%d
 {% if outside_address is vyos_defined %}
@@ -54,6 +55,10 @@ echo-failure=3
 {% if default_pool is vyos_defined %}
 ip-pool={{ default_pool }}
 {% endif %}
+{% if default_ipv6_pool is vyos_defined %}
+ipv6-pool={{ default_ipv6_pool }}
+ipv6-pool-delegate={{ default_ipv6_pool }}
+{% endif %}
 
 [client-ip-range]
 0.0.0.0/0
@@ -61,10 +66,11 @@ ip-pool={{ default_pool }}
 {# Common IP pool definitions #}
 {% include 'accel-ppp/config_ip_pool.j2' %}
 
-[ppp]
-verbose=5
-check-ip=1
-single-session=replace
+{# Common IPv6 pool definitions #}
+{% include 'accel-ppp/config_ipv6_pool.j2' %}
+
+{# Common ppp-options definitions #}
+{% include 'accel-ppp/ppp-options.j2' %}
 
 {# Common chap-secrets and RADIUS server/option definitions #}
 {% include 'accel-ppp/config_chap_secrets_radius.j2' %}
diff --git a/data/templates/accel-ppp/sstp.config.j2 b/data/templates/accel-ppp/sstp.config.j2
index 51f7dfca8..c0bc62d9f 100644
--- a/data/templates/accel-ppp/sstp.config.j2
+++ b/data/templates/accel-ppp/sstp.config.j2
@@ -56,18 +56,8 @@ ipv6-pool-delegate={{ default_ipv6_pool }}
 {# Common chap-secrets and RADIUS server/option definitions #}
 {% include 'accel-ppp/config_chap_secrets_radius.j2' %}
 
-[ppp]
-verbose=1
-check-ip=1
-{# MTU #}
-mtu={{ mtu }}
-unit-preallocate={{ "1" if authentication.radius.preallocate_vif is vyos_defined else "0" }}
-ipv6={{ 'allow' if ppp_options.ipv6 is vyos_defined("deny") and client_ipv6_pool is vyos_defined else ppp_options.ipv6 }}
-ipv4={{ ppp_options.ipv4 }}
-mppe={{ ppp_options.mppe }}
-lcp-echo-interval={{ ppp_options.lcp_echo_interval }}
-lcp-echo-timeout={{ ppp_options.lcp_echo_timeout }}
-lcp-echo-failure={{ ppp_options.lcp_echo_failure }}
+{# Common ppp-options definitions #}
+{% include 'accel-ppp/ppp-options.j2' %}
 
 {# Common RADIUS shaper configuration #}
 {% include 'accel-ppp/config_shaper_radius.j2' %}
diff --git a/interface-definitions/include/accel-ppp/ppp-options-ipv6-interface-id.xml.i b/interface-definitions/include/accel-ppp/ppp-options-ipv6-interface-id.xml.i
index 265f7f97c..c4cf0a458 100644
--- a/interface-definitions/include/accel-ppp/ppp-options-ipv6-interface-id.xml.i
+++ b/interface-definitions/include/accel-ppp/ppp-options-ipv6-interface-id.xml.i
@@ -1,5 +1,5 @@
 <!-- include start from accel-ppp/ppp-options-ipv6-interface-id.xml.i -->
-<leafNode name="ipv6-intf-id">
+<leafNode name="ipv6-interface-id">
   <properties>
     <help>Fixed or random interface identifier for IPv6</help>
     <completionHelp>
@@ -18,11 +18,11 @@
     </constraint>
   </properties>
 </leafNode>
-<leafNode name="ipv6-peer-intf-id">
+<leafNode name="ipv6-peer-interface-id">
   <properties>
     <help>Peer interface identifier for IPv6</help>
     <completionHelp>
-      <list>random calling-sid ipv4</list>
+      <list>random calling-sid ipv4-addr</list>
     </completionHelp>
     <valueHelp>
       <format>x:x:x:x</format>
@@ -33,7 +33,7 @@
       <description>Use a random interface identifier for IPv6</description>
     </valueHelp>
     <valueHelp>
-      <format>ipv4</format>
+      <format>ipv4-addr</format>
       <description>Calculate interface identifier from IPv4 address, for example 192:168:0:1</description>
     </valueHelp>
     <valueHelp>
@@ -41,11 +41,11 @@
       <description>Calculate interface identifier from calling-station-id</description>
     </valueHelp>
     <constraint>
-      <regex>(random|calling-sid|ipv4|((\d+){1,4}:){3}(\d+){1,4})</regex>
+      <regex>(random|calling-sid|ipv4-addr|((\d+){1,4}:){3}(\d+){1,4})</regex>
     </constraint>
   </properties>
 </leafNode>
-<leafNode name="ipv6-accept-peer-intf-id">
+<leafNode name="ipv6-accept-peer-interface-id">
   <properties>
     <help>Accept peer interface identifier</help>
     <valueless/>
diff --git a/interface-definitions/include/accel-ppp/ppp-options.xml.i b/interface-definitions/include/accel-ppp/ppp-options.xml.i
new file mode 100644
index 000000000..9b4f1d0ca
--- /dev/null
+++ b/interface-definitions/include/accel-ppp/ppp-options.xml.i
@@ -0,0 +1,65 @@
+<!-- include start from accel-ppp/ppp-options.xml.i -->
+<node name="ppp-options">
+  <properties>
+    <help>Advanced protocol options</help>
+  </properties>
+  <children>
+    <leafNode name="min-mtu">
+      <properties>
+        <help>Minimum acceptable MTU (68-65535)</help>
+        <constraint>
+          <validator name="numeric" argument="--range 68-65535"/>
+        </constraint>
+      </properties>
+    </leafNode>
+    <leafNode name="mru">
+      <properties>
+        <help>Preferred MRU (68-65535)</help>
+        <constraint>
+          <validator name="numeric" argument="--range 68-65535"/>
+        </constraint>
+      </properties>
+    </leafNode>
+    <leafNode name="disable-ccp">
+      <properties>
+        <help>Disable Compression Control Protocol (CCP)</help>
+        <valueless />
+      </properties>
+    </leafNode>
+    #include <include/accel-ppp/ppp-mppe.xml.i>
+    #include <include/accel-ppp/lcp-echo-interval-failure.xml.i>
+    #include <include/accel-ppp/lcp-echo-timeout.xml.i>
+    #include <include/accel-ppp/ppp-interface-cache.xml.i>
+    <leafNode name="ipv4">
+      <properties>
+        <help>IPv4 (IPCP) negotiation algorithm</help>
+        <constraint>
+          <regex>(deny|allow|prefer|require)</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>
+        <valueHelp>
+          <format>prefer</format>
+          <description>Ask client for IPv4 negotiation, do not fail if it rejects</description>
+        </valueHelp>
+        <valueHelp>
+          <format>require</format>
+          <description>Require IPv4 negotiation</description>
+        </valueHelp>
+        <completionHelp>
+          <list>deny allow prefer require</list>
+        </completionHelp>
+      </properties>
+    </leafNode>
+    #include <include/accel-ppp/ppp-options-ipv6.xml.i>
+    #include <include/accel-ppp/ppp-options-ipv6-interface-id.xml.i>
+  </children>
+</node>
+<!-- include end -->
diff --git a/interface-definitions/include/version/l2tp-version.xml.i b/interface-definitions/include/version/l2tp-version.xml.i
index 793cd5d0c..01004c5a0 100644
--- a/interface-definitions/include/version/l2tp-version.xml.i
+++ b/interface-definitions/include/version/l2tp-version.xml.i
@@ -1,3 +1,3 @@
 <!-- include start from include/version/l2tp-version.xml.i -->
-<syntaxVersion component='l2tp' version='7'></syntaxVersion>
+<syntaxVersion component='l2tp' version='8'></syntaxVersion>
 <!-- include end -->
diff --git a/interface-definitions/include/version/pppoe-server-version.xml.i b/interface-definitions/include/version/pppoe-server-version.xml.i
index 02f98cc16..c253c58d9 100644
--- a/interface-definitions/include/version/pppoe-server-version.xml.i
+++ b/interface-definitions/include/version/pppoe-server-version.xml.i
@@ -1,3 +1,3 @@
 <!-- include start from include/version/pppoe-server-version.xml.i -->
-<syntaxVersion component='pppoe-server' version='8'></syntaxVersion>
+<syntaxVersion component='pppoe-server' version='9'></syntaxVersion>
 <!-- include end -->
diff --git a/interface-definitions/include/version/pptp-version.xml.i b/interface-definitions/include/version/pptp-version.xml.i
index 4386cedbd..3e1482ecc 100644
--- a/interface-definitions/include/version/pptp-version.xml.i
+++ b/interface-definitions/include/version/pptp-version.xml.i
@@ -1,3 +1,3 @@
 <!-- include start from include/version/pptp-version.xml.i -->
-<syntaxVersion component='pptp' version='3'></syntaxVersion>
+<syntaxVersion component='pptp' version='4'></syntaxVersion>
 <!-- include end -->
diff --git a/interface-definitions/service_pppoe-server.xml.in b/interface-definitions/service_pppoe-server.xml.in
index 6fdc2a65a..477ed115f 100644
--- a/interface-definitions/service_pppoe-server.xml.in
+++ b/interface-definitions/service_pppoe-server.xml.in
@@ -103,68 +103,12 @@
             </properties>
           </leafNode>
           #include <include/accel-ppp/wins-server.xml.i>
+          #include <include/accel-ppp/ppp-options.xml.i>
           <node name="ppp-options">
-            <properties>
-              <help>Advanced protocol options</help>
-            </properties>
             <children>
               <leafNode name="min-mtu">
-                <properties>
-                  <help>Minimum acceptable MTU (68-65535)</help>
-                  <constraint>
-                    <validator name="numeric" argument="--range 68-65535"/>
-                  </constraint>
-                </properties>
                 <defaultValue>1280</defaultValue>
               </leafNode>
-              <leafNode name="mru">
-                <properties>
-                  <help>Preferred MRU (68-65535)</help>
-                  <constraint>
-                    <validator name="numeric" argument="--range 68-65535"/>
-                  </constraint>
-                </properties>
-              </leafNode>
-              <leafNode name="ccp">
-                <properties>
-                  <help>CCP negotiation (default disabled)</help>
-                  <valueless />
-                </properties>
-              </leafNode>
-              #include <include/accel-ppp/ppp-mppe.xml.i>
-              #include <include/accel-ppp/lcp-echo-interval-failure.xml.i>
-              #include <include/accel-ppp/lcp-echo-timeout.xml.i>
-              #include <include/accel-ppp/ppp-interface-cache.xml.i>
-              <leafNode name="ipv4">
-                <properties>
-                  <help>IPv4 (IPCP) negotiation algorithm</help>
-                  <constraint>
-                    <regex>(deny|allow|prefer|require)</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>
-                  <valueHelp>
-                    <format>prefer</format>
-                    <description>Ask client for IPv4 negotiation, do not fail if it rejects</description>
-                  </valueHelp>
-                  <valueHelp>
-                    <format>require</format>
-                    <description>Require IPv4 negotiation</description>
-                  </valueHelp>
-                  <completionHelp>
-                    <list>deny allow prefer require</list>
-                  </completionHelp>
-                </properties>
-              </leafNode>
-              #include <include/accel-ppp/ppp-options-ipv6.xml.i>
-              #include <include/accel-ppp/ppp-options-ipv6-interface-id.xml.i>
             </children>
           </node>
           <tagNode name="pado-delay">
diff --git a/interface-definitions/vpn_l2tp.xml.in b/interface-definitions/vpn_l2tp.xml.in
index d3fb58433..942690bca 100644
--- a/interface-definitions/vpn_l2tp.xml.in
+++ b/interface-definitions/vpn_l2tp.xml.in
@@ -49,12 +49,6 @@
                   </leafNode>
                 </children>
               </node>
-              <leafNode name="ccp-disable">
-                <properties>
-                  <help>Disable Compression Control Protocol (CCP)</help>
-                  <valueless />
-                </properties>
-              </leafNode>
               <node name="ipsec-settings">
                 <properties>
                   <help>Internet Protocol Security (IPsec) for remote access L2TP VPN</help>
@@ -140,19 +134,7 @@
                   </node>
                 </children>
               </node>
-              <node name="ppp-options">
-                <properties>
-                  <help>Advanced protocol options</help>
-                </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/ppp-options-ipv6-interface-id.xml.i>
-                  #include <include/accel-ppp/lcp-echo-interval-failure.xml.i>
-                  #include <include/accel-ppp/lcp-echo-timeout.xml.i>
-                </children>
-              </node>
+              #include <include/accel-ppp/ppp-options.xml.i>
               #include <include/accel-ppp/default-pool.xml.i>
               #include <include/accel-ppp/default-ipv6-pool.xml.i>
             </children>
diff --git a/interface-definitions/vpn_pptp.xml.in b/interface-definitions/vpn_pptp.xml.in
index ec622b5d0..d23086c02 100644
--- a/interface-definitions/vpn_pptp.xml.in
+++ b/interface-definitions/vpn_pptp.xml.in
@@ -27,7 +27,7 @@
                 </properties>
               </leafNode>
               #include <include/accel-ppp/gateway-address.xml.i>
-              #include <include/name-server-ipv4.xml.i>
+              #include <include/name-server-ipv4-ipv6.xml.i>
               #include <include/accel-ppp/wins-server.xml.i>
               #include <include/accel-ppp/client-ip-pool.xml.i>
               <node name="authentication">
@@ -63,30 +63,6 @@
                     </properties>
                     <defaultValue>mschap-v2</defaultValue>
                   </leafNode>
-                  <leafNode name="mppe">
-                    <properties>
-                      <help>Specifies mppe negotioation preference. (default require mppe 128-bit stateless</help>
-                      <valueHelp>
-                        <format>deny</format>
-                        <description>deny mppe</description>
-                      </valueHelp>
-                      <valueHelp>
-                        <format>prefer</format>
-                        <description>ask client for mppe, if it rejects do not fail</description>
-                      </valueHelp>
-                      <valueHelp>
-                        <format>require</format>
-                        <description>ask client for mppe, if it rejects drop connection</description>
-                      </valueHelp>
-                      <constraint>
-                        <regex>(deny|prefer|require)</regex>
-                      </constraint>
-                      <completionHelp>
-                        <list>deny prefer require</list>
-                      </completionHelp>
-                    </properties>
-                    <defaultValue>prefer</defaultValue>
-                  </leafNode>
                   #include <include/accel-ppp/auth-mode.xml.i>
                   <node name="local-users">
                     <properties>
@@ -134,7 +110,9 @@
                 </children>
               </node>
               #include <include/accel-ppp/default-pool.xml.i>
+              #include <include/accel-ppp/client-ipv6-pool.xml.i>
               #include <include/accel-ppp/default-ipv6-pool.xml.i>
+              #include <include/accel-ppp/ppp-options.xml.i>
             </children>
           </node>
         </children>
diff --git a/interface-definitions/vpn_sstp.xml.in b/interface-definitions/vpn_sstp.xml.in
index 2727540be..0d5d53301 100644
--- a/interface-definitions/vpn_sstp.xml.in
+++ b/interface-definitions/vpn_sstp.xml.in
@@ -37,18 +37,7 @@
           </leafNode>
           #include <include/accel-ppp/default-pool.xml.i>
           #include <include/accel-ppp/default-ipv6-pool.xml.i>
-          <node name="ppp-options">
-            <properties>
-              <help>PPP (Point-to-Point Protocol) settings</help>
-            </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>
-            </children>
-          </node>
+          #include <include/accel-ppp/ppp-options.xml.i>
           <node name="ssl">
             <properties>
               <help>SSL Certificate, SSL Key and CA</help>
diff --git a/python/vyos/accel_ppp_util.py b/python/vyos/accel_ppp_util.py
index 2f029e042..d60402e48 100644
--- a/python/vyos/accel_ppp_util.py
+++ b/python/vyos/accel_ppp_util.py
@@ -187,13 +187,13 @@ def verify_accel_ppp_ip_pool(vpn_config):
         for ipv6_pool, ipv6_pool_config in vpn_config['client_ipv6_pool'].items():
             if 'delegate' in ipv6_pool_config and 'prefix' not in ipv6_pool_config:
                 raise ConfigError(
-                    f'IPoE IPv6 deletate-prefix requires IPv6 prefix to be configured in "{ipv6_pool}"!')
+                    f'IPv6 delegate-prefix requires IPv6 prefix to be configured in "{ipv6_pool}"!')
 
     if dict_search('authentication.mode', vpn_config) in ['local', 'noauth']:
         if not dict_search('client_ip_pool', vpn_config) and not dict_search(
                 'client_ipv6_pool', vpn_config):
             raise ConfigError(
-                "L2TP local auth mode requires local client-ip-pool or client-ipv6-pool to be configured!")
+                "Local auth mode requires local client-ip-pool or client-ipv6-pool to be configured!")
         if dict_search('client_ip_pool', vpn_config) and not dict_search(
                 'default_pool', vpn_config):
             Warning("'default-pool' is not defined")
diff --git a/smoketest/scripts/cli/base_accel_ppp_test.py b/smoketest/scripts/cli/base_accel_ppp_test.py
index 6219a0a4c..0e6e522b9 100644
--- a/smoketest/scripts/cli/base_accel_ppp_test.py
+++ b/smoketest/scripts/cli/base_accel_ppp_test.py
@@ -492,3 +492,70 @@ class BasicAccelPPPTest:
 delegate={delegate_1_prefix},{delegate_mask},name={pool_name}
 delegate={delegate_2_prefix},{delegate_mask},name={pool_name}"""
             self.assertIn(pool_config, config)
+
+        def test_accel_ppp_options(self):
+            # Test configuration of local authentication for PPPoE server
+            self.basic_config()
+
+            # other settings
+            mppe = 'require'
+            self.set(['ppp-options', 'disable-ccp'])
+            self.set(['ppp-options', 'mppe', mppe])
+
+            # min-mtu
+            min_mtu = '1400'
+            self.set(['ppp-options', 'min-mtu', min_mtu])
+
+            # mru
+            mru = '9000'
+            self.set(['ppp-options', 'mru', mru])
+
+            # interface-cache
+            interface_cache = '128000'
+            self.set(['ppp-options', 'interface-cache', interface_cache])
+
+            # ipv6
+            allow_ipv6 = 'allow'
+            allow_ipv4 = 'require'
+            random = 'random'
+            lcp_failure = '4'
+            lcp_interval = '40'
+            lcp_timeout = '100'
+            self.set(['ppp-options', 'ipv4', allow_ipv4])
+            self.set(['ppp-options', 'ipv6', allow_ipv6])
+            self.set(['ppp-options', 'ipv6-interface-id', random])
+            self.set(['ppp-options', 'ipv6-accept-peer-interface-id'])
+            self.set(['ppp-options', 'ipv6-peer-interface-id', random])
+            self.set(['ppp-options', 'lcp-echo-failure', lcp_failure])
+            self.set(['ppp-options', 'lcp-echo-interval', lcp_interval])
+            self.set(['ppp-options', 'lcp-echo-timeout', lcp_timeout])
+            # commit changes
+            self.cli_commit()
+
+            # Validate configuration values
+            conf = ConfigParser(allow_no_value=True, delimiters='=')
+            conf.read(self._config_file)
+
+            self.assertEqual(conf['chap-secrets']['gw-ip-address'], self._gateway)
+
+            # check ppp
+            self.assertEqual(conf['ppp']['mppe'], mppe)
+            self.assertEqual(conf['ppp']['min-mtu'], min_mtu)
+            self.assertEqual(conf['ppp']['mru'], mru)
+
+            self.assertEqual(conf['ppp']['ccp'],'0')
+
+            # check interface-cache
+            self.assertEqual(conf['ppp']['unit-cache'], interface_cache)
+
+            #check ipv6
+            for tmp in ['ipv6pool', 'ipv6_nd', 'ipv6_dhcp']:
+                self.assertEqual(conf['modules'][tmp], None)
+
+            self.assertEqual(conf['ppp']['ipv6'], allow_ipv6)
+            self.assertEqual(conf['ppp']['ipv6-intf-id'], random)
+            self.assertEqual(conf['ppp']['ipv6-peer-intf-id'], random)
+            self.assertTrue(conf['ppp'].getboolean('ipv6-accept-peer-intf-id'))
+            self.assertEqual(conf['ppp']['lcp-echo-failure'], lcp_failure)
+            self.assertEqual(conf['ppp']['lcp-echo-interval'], lcp_interval)
+            self.assertEqual(conf['ppp']['lcp-echo-timeout'], lcp_timeout)
\ No newline at end of file
diff --git a/smoketest/scripts/cli/test_service_ipoe-server.py b/smoketest/scripts/cli/test_service_ipoe-server.py
index cec6adb09..20a168b58 100755
--- a/smoketest/scripts/cli/test_service_ipoe-server.py
+++ b/smoketest/scripts/cli/test_service_ipoe-server.py
@@ -228,5 +228,9 @@ delegate={delegate_1_prefix},{delegate_mask},name={pool_name}
 delegate={delegate_2_prefix},{delegate_mask},name={pool_name}"""
         self.assertIn(pool_config, config)
 
+    @unittest.skip("PPP is not a part of IPoE")
+    def test_accel_ppp_options(self):
+        pass
+
 if __name__ == "__main__":
     unittest.main(verbosity=2)
diff --git a/smoketest/scripts/cli/test_service_pppoe-server.py b/smoketest/scripts/cli/test_service_pppoe-server.py
index 11d5b8b78..d7c7aa164 100755
--- a/smoketest/scripts/cli/test_service_pppoe-server.py
+++ b/smoketest/scripts/cli/test_service_pppoe-server.py
@@ -59,9 +59,6 @@ class TestServicePPPoEServer(BasicAccelPPPTest.TestCase):
         self.assertTrue(conf['ppp'].getboolean('verbose'))
         self.assertTrue(conf['ppp'].getboolean('check-ip'))
         self.assertEqual(conf['ppp']['mtu'], mtu)
-        self.assertEqual(conf['ppp']['lcp-echo-interval'], '30')
-        self.assertEqual(conf['ppp']['lcp-echo-timeout'], '0')
-        self.assertEqual(conf['ppp']['lcp-echo-failure'], '3')
 
         super().verify(conf)
 
@@ -70,70 +67,14 @@ class TestServicePPPoEServer(BasicAccelPPPTest.TestCase):
         self.set(['access-concentrator', ac_name])
         self.set(['interface', interface])
 
-
-    def test_pppoe_server_ppp_options(self):
-        # Test configuration of local authentication for PPPoE server
+    def test_pppoe_limits(self):
         self.basic_config()
-
-        # other settings
-        mppe = 'require'
-        self.set(['ppp-options', 'ccp'])
-        self.set(['ppp-options', 'mppe', mppe])
         self.set(['limits', 'connection-limit', '20/min'])
-
-        # min-mtu
-        min_mtu = '1400'
-        self.set(['ppp-options', 'min-mtu', min_mtu])
-
-        # mru
-        mru = '9000'
-        self.set(['ppp-options', 'mru', mru])
-
-        # interface-cache
-        interface_cache = '128000'
-        self.set(['ppp-options', 'interface-cache', interface_cache])
-
-        # ipv6
-        allow_ipv6 = 'allow'
-        random = 'random'
-        self.set(['ppp-options', 'ipv6', allow_ipv6])
-        self.set(['ppp-options', 'ipv6-intf-id', random])
-        self.set(['ppp-options', 'ipv6-accept-peer-intf-id'])
-        self.set(['ppp-options', 'ipv6-peer-intf-id', random])
-        # commit changes
         self.cli_commit()
-
-        # Validate configuration values
         conf = ConfigParser(allow_no_value=True, delimiters='=')
         conf.read(self._config_file)
-
-        # basic verification
-        self.verify(conf)
-
-        self.assertEqual(conf['chap-secrets']['gw-ip-address'], self._gateway)
-
-        # check ppp
-        self.assertEqual(conf['ppp']['mppe'], mppe)
-        self.assertEqual(conf['ppp']['min-mtu'], min_mtu)
-        self.assertEqual(conf['ppp']['mru'], mru)
-
-        self.assertTrue(conf['ppp'].getboolean('ccp'))
-
-        # check other settings
         self.assertEqual(conf['connlimit']['limit'], '20/min')
 
-        # check interface-cache
-        self.assertEqual(conf['ppp']['unit-cache'], interface_cache)
-
-        #check ipv6
-        for tmp in ['ipv6pool', 'ipv6_nd', 'ipv6_dhcp']:
-            self.assertEqual(conf['modules'][tmp], None)
-
-        self.assertEqual(conf['ppp']['ipv6'], allow_ipv6)
-        self.assertEqual(conf['ppp']['ipv6-intf-id'], random)
-        self.assertEqual(conf['ppp']['ipv6-peer-intf-id'], random)
-        self.assertTrue(conf['ppp'].getboolean('ipv6-accept-peer-intf-id'))
-
     def test_pppoe_server_authentication_protocols(self):
         # Test configuration of local authentication for PPPoE server
         self.basic_config()
diff --git a/smoketest/scripts/cli/test_vpn_l2tp.py b/smoketest/scripts/cli/test_vpn_l2tp.py
index 129a9c602..3d9d94f52 100755
--- a/smoketest/scripts/cli/test_vpn_l2tp.py
+++ b/smoketest/scripts/cli/test_vpn_l2tp.py
@@ -38,58 +38,6 @@ class TestVPNL2TPServer(BasicAccelPPPTest.TestCase):
     def basic_protocol_specific_config(self):
         pass
 
-    def test_l2tp_server_ppp_options(self):
-        # Test configuration of local authentication for PPPoE server
-        self.basic_config()
-        mtu = '1425'
-        lcp_echo_failure = '5'
-        lcp_echo_interval = '40'
-        lcp_echo_timeout = '3000'
-        # other settings
-        mppe = 'require'
-        self.set(['ccp-disable'])
-        self.set(['ppp-options', 'mppe', mppe])
-        self.set(['authentication', 'radius', 'preallocate-vif'])
-        self.set(['mtu', mtu])
-        self.set(['ppp-options', 'lcp-echo-failure', lcp_echo_failure])
-        self.set(['ppp-options', 'lcp-echo-interval', lcp_echo_interval])
-        self.set(['ppp-options', 'lcp-echo-timeout', lcp_echo_timeout])
-
-        allow_ipv6 = 'allow'
-        random = 'random'
-        self.set(['ppp-options', 'ipv6', allow_ipv6])
-        self.set(['ppp-options', 'ipv6-intf-id', random])
-        self.set(['ppp-options', 'ipv6-accept-peer-intf-id'])
-        self.set(['ppp-options', 'ipv6-peer-intf-id', random])
-
-        # commit changes
-        self.cli_commit()
-
-        # Validate configuration values
-        conf = ConfigParser(allow_no_value=True, delimiters='=')
-        conf.read(self._config_file)
-
-        # basic verification
-        self.verify(conf)
-
-        # check ppp
-        self.assertEqual(conf['ppp']['mppe'], mppe)
-        self.assertFalse(conf['ppp'].getboolean('ccp'))
-        self.assertEqual(conf['ppp']['unit-preallocate'], '1')
-        self.assertTrue(conf['ppp'].getboolean('verbose'))
-        self.assertTrue(conf['ppp'].getboolean('check-ip'))
-        self.assertEqual(conf['ppp']['mtu'], mtu)
-        self.assertEqual(conf['ppp']['lcp-echo-interval'], lcp_echo_interval)
-        self.assertEqual(conf['ppp']['lcp-echo-timeout'], lcp_echo_timeout)
-        self.assertEqual(conf['ppp']['lcp-echo-failure'], lcp_echo_failure)
-
-        for tmp in ['ipv6pool', 'ipv6_nd', 'ipv6_dhcp']:
-            self.assertEqual(conf['modules'][tmp], None)
-        self.assertEqual(conf['ppp']['ipv6'], allow_ipv6)
-        self.assertEqual(conf['ppp']['ipv6-intf-id'], random)
-        self.assertEqual(conf['ppp']['ipv6-peer-intf-id'], random)
-        self.assertTrue(conf['ppp'].getboolean('ipv6-accept-peer-intf-id'))
-
     def test_l2tp_server_authentication_protocols(self):
         # Test configuration of local authentication for PPPoE server
         self.basic_config()
diff --git a/smoketest/scripts/cli/test_vpn_pptp.py b/smoketest/scripts/cli/test_vpn_pptp.py
index f3fce822b..40dcb7f80 100755
--- a/smoketest/scripts/cli/test_vpn_pptp.py
+++ b/smoketest/scripts/cli/test_vpn_pptp.py
@@ -40,25 +40,6 @@ class TestVPNPPTPServer(BasicAccelPPPTest.TestCase):
     def basic_protocol_specific_config(self):
         pass
 
-    def test_accel_name_servers(self):
-        # Verify proper Name-Server configuration for IPv4
-        self.basic_config()
-
-        nameserver = ["192.0.2.1", "192.0.2.2"]
-        for ns in nameserver:
-            self.set(["name-server", ns])
-
-        # commit changes
-        self.cli_commit()
-
-        # Validate configuration values
-        conf = ConfigParser(allow_no_value=True, delimiters="=", strict=False)
-        conf.read(self._config_file)
-
-        # IPv4 and IPv6 nameservers must be checked individually
-        for ns in nameserver:
-            self.assertIn(ns, [conf["dns"]["dns1"], conf["dns"]["dns2"]])
-
     def test_accel_local_authentication(self):
         # Test configuration of local authentication
         self.basic_config()
@@ -218,10 +199,6 @@ class TestVPNPPTPServer(BasicAccelPPPTest.TestCase):
         self.assertEqual(f"req-limit=0", server[4])
         self.assertEqual(f"fail-time=0", server[5])
 
-    @unittest.skip("IPv6 is not implemented in PPTP")
-    def test_accel_ipv6_pool(self):
-        pass
-
 
 if __name__ == '__main__':
     unittest.main(verbosity=2)
diff --git a/src/conf_mode/vpn_l2tp.py b/src/conf_mode/vpn_l2tp.py
index b569ca140..36b3d2a30 100755
--- a/src/conf_mode/vpn_l2tp.py
+++ b/src/conf_mode/vpn_l2tp.py
@@ -51,11 +51,6 @@ def get_config(config=None):
         # Multiple named pools require ordered values T5099
         l2tp['ordered_named_pools'] = get_pools_in_order(
             dict_search('client_ip_pool', l2tp))
-    l2tp['ip6_column'] = []
-    if dict_search('client_ipv6_pool.prefix', l2tp):
-        l2tp['ip6_column'].append('ipv6')
-    if dict_search('client_ipv6_pool.delegate', l2tp):
-        l2tp['ip6_column'].append('ip6-db')
     l2tp['server_type'] = 'l2tp'
     return l2tp
 
diff --git a/src/conf_mode/vpn_pptp.py b/src/conf_mode/vpn_pptp.py
index 0629625bf..b1d5067d5 100755
--- a/src/conf_mode/vpn_pptp.py
+++ b/src/conf_mode/vpn_pptp.py
@@ -22,6 +22,7 @@ from vyos.config import Config
 from vyos.template import render
 from vyos.utils.process import call
 from vyos.utils.dict import dict_search
+from vyos.accel_ppp_util import verify_accel_ppp_base_service
 from vyos.accel_ppp_util import verify_accel_ppp_ip_pool
 from vyos.accel_ppp_util import get_pools_in_order
 from vyos import ConfigError
@@ -58,36 +59,10 @@ def get_config(config=None):
 def verify(pptp):
     if not pptp:
         return None
-    auth_mode = dict_search('authentication.mode', pptp)
-    if auth_mode == 'local':
-        if not dict_search('authentication.local_users', pptp):
-            raise ConfigError(
-                'PPTP local auth mode requires local users to be configured!')
-
-        for user in dict_search('authentication.local_users.username', pptp):
-            user_config = pptp['authentication']['local_users']['username'][
-                user]
-            if 'password' not in user_config:
-                raise ConfigError(f'Password required for local user "{user}"')
-
-    elif auth_mode == 'radius':
-        if not dict_search('authentication.radius.server', pptp):
-            raise ConfigError(
-                'RADIUS authentication requires at least one server')
-        for server in dict_search('authentication.radius.server', pptp):
-            radius_config = pptp['authentication']['radius']['server'][server]
-            if 'key' not in radius_config:
-                raise ConfigError(
-                    f'Missing RADIUS secret key for server "{server}"')
 
+    verify_accel_ppp_base_service(pptp)
     verify_accel_ppp_ip_pool(pptp)
 
-    if 'name_server' in pptp:
-        if len(pptp['name_server']) > 2:
-            raise ConfigError(
-                'Not more then two IPv4 DNS name-servers can be configured'
-            )
-
     if 'wins_server' in pptp and len(pptp['wins_server']) > 2:
         raise ConfigError(
             'Not more then two WINS name-servers can be configured')
@@ -105,6 +80,7 @@ def generate(pptp):
 
     return None
 
+
 def apply(pptp):
     if not pptp:
         call('systemctl stop accel-ppp@pptp.service')
diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py
index a84513a0f..5c229fe62 100755
--- a/src/conf_mode/vpn_sstp.py
+++ b/src/conf_mode/vpn_sstp.py
@@ -20,7 +20,6 @@ from sys import exit
 
 from vyos.config import Config
 from vyos.configdict import get_accel_dict
-from vyos.configdict import dict_merge
 from vyos.pki import wrap_certificate
 from vyos.pki import wrap_private_key
 from vyos.template import render
diff --git a/src/migration-scripts/l2tp/7-to-8 b/src/migration-scripts/l2tp/7-to-8
new file mode 100755
index 000000000..4956e1155
--- /dev/null
+++ b/src/migration-scripts/l2tp/7-to-8
@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2024 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Migrate from 'ccp-disable' to 'ppp-options.disable-ccp'
+# Migration ipv6 options
+
+import os
+
+from sys import argv
+from sys import exit
+from vyos.configtree import ConfigTree
+
+
+if len(argv) < 2:
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+base = ['vpn', 'l2tp', 'remote-access']
+if not config.exists(base):
+    exit(0)
+
+#CCP migration
+if config.exists(base + ['ccp-disable']):
+    config.delete(base + ['ccp-disable'])
+    config.set(base + ['ppp-options', 'disable-ccp'])
+
+#IPV6 options migrations
+if config.exists(base + ['ppp-options','ipv6-peer-intf-id']):
+    intf_peer_id = config.return_value(base + ['ppp-options','ipv6-peer-intf-id'])
+    if intf_peer_id == 'ipv4':
+        intf_peer_id = 'ipv4-addr'
+    config.set(base + ['ppp-options','ipv6-peer-interface-id'], value=intf_peer_id, replace=True)
+    config.delete(base + ['ppp-options','ipv6-peer-intf-id'])
+
+if config.exists(base + ['ppp-options','ipv6-intf-id']):
+    intf_id = config.return_value(base + ['ppp-options','ipv6-intf-id'])
+    config.set(base + ['ppp-options','ipv6-interface-id'], value=intf_id, replace=True)
+    config.delete(base + ['ppp-options','ipv6-intf-id'])
+
+if config.exists(base + ['ppp-options','ipv6-accept-peer-intf-id']):
+    config.set(base + ['ppp-options','ipv6-accept-peer-interface-id'])
+    config.delete(base + ['ppp-options','ipv6-accept-peer-intf-id'])
+
+try:
+    with open(file_name, 'w') as f:
+        f.write(config.to_string())
+except OSError as e:
+    print("Failed to save the modified config: {}".format(e))
+    exit(1)
diff --git a/src/migration-scripts/pppoe-server/8-to-9 b/src/migration-scripts/pppoe-server/8-to-9
new file mode 100755
index 000000000..ad75c28a1
--- /dev/null
+++ b/src/migration-scripts/pppoe-server/8-to-9
@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2024 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Change from 'ccp' to 'disable-ccp' in ppp-option section
+# Migration ipv6 options
+
+import os
+
+from sys import argv
+from sys import exit
+from vyos.configtree import ConfigTree
+
+
+if len(argv) < 2:
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+base = ['service', 'pppoe-server']
+if not config.exists(base):
+    exit(0)
+
+#CCP migration
+if config.exists(base + ['ppp-options', 'ccp']):
+    config.delete(base + ['ppp-options', 'ccp'])
+else:
+    config.set(base + ['ppp-options', 'disable-ccp'])
+
+#IPV6 options migrations
+if config.exists(base + ['ppp-options','ipv6-peer-intf-id']):
+    intf_peer_id = config.return_value(base + ['ppp-options','ipv6-peer-intf-id'])
+    if intf_peer_id == 'ipv4':
+        intf_peer_id = 'ipv4-addr'
+    config.set(base + ['ppp-options','ipv6-peer-interface-id'], value=intf_peer_id, replace=True)
+    config.delete(base + ['ppp-options','ipv6-peer-intf-id'])
+
+if config.exists(base + ['ppp-options','ipv6-intf-id']):
+    intf_id = config.return_value(base + ['ppp-options','ipv6-intf-id'])
+    config.set(base + ['ppp-options','ipv6-interface-id'], value=intf_id, replace=True)
+    config.delete(base + ['ppp-options','ipv6-intf-id'])
+
+if config.exists(base + ['ppp-options','ipv6-accept-peer-intf-id']):
+    config.set(base + ['ppp-options','ipv6-accept-peer-interface-id'])
+    config.delete(base + ['ppp-options','ipv6-accept-peer-intf-id'])
+
+try:
+    with open(file_name, 'w') as f:
+        f.write(config.to_string())
+except OSError as e:
+    print("Failed to save the modified config: {}".format(e))
+    exit(1)
diff --git a/src/migration-scripts/pptp/3-to-4 b/src/migration-scripts/pptp/3-to-4
new file mode 100755
index 000000000..0a8dad2f4
--- /dev/null
+++ b/src/migration-scripts/pptp/3-to-4
@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2024 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# - Move 'mppe' from 'authentication' node to 'ppp-options'
+
+import os
+
+from sys import argv
+from sys import exit
+from vyos.configtree import ConfigTree
+
+
+if len(argv) < 2:
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+base = ['vpn', 'pptp', 'remote-access']
+
+if not config.exists(base):
+    exit(0)
+
+if config.exists(base + ['authentication','mppe']):
+    mppe = config.return_value(base + ['authentication','mppe'])
+    config.set(base + ['ppp-options', 'mppe'], value=mppe, replace=True)
+    config.delete(base + ['authentication','mppe'])
+
+try:
+    with open(file_name, 'w') as f:
+        f.write(config.to_string())
+except OSError as e:
+    print("Failed to save the modified config: {}".format(e))
+    exit(1)