<?xml version="1.0"?>
<interfaceDefinition>
  <node name="service">
    <children>
      <node name="pppoe-server" owner="${vyos_conf_scripts_dir}/accel_pppoe.py">
        <properties>
          <help>Point to Point over Ethernet (PPPoE) Server</help>
          <priority>900</priority>
        </properties>
        <children>
          <node name="snmp">
            <properties>
              <help>Enable SNMP</help>
            </properties>
            <children>
              <leafNode name="master-agent">
                <properties>
                  <help>enable SNMP master agent mode</help>
                  <valueless />
                </properties>
              </leafNode>
            </children>
          </node>
          <leafNode name="access-concentrator">
            <properties>
              <help>Access concentrator name</help>
              <constraint>
                <regex>^[a-zA-Z0-9]{1,100}</regex>
              </constraint>
              <constraintErrorMessage>access-concentrator name limited to aplhanumerical characters only (max. 100)</constraintErrorMessage>
            </properties>  
          </leafNode>
          <node name="authentication">
            <properties>
              <help>Authentication for remote access PPPoE Server</help>
            </properties>
            <children>
              <node name="local-users">
                <properties>
                  <help>Local user authentication for PPPoE server</help>
                </properties>
                <children>
                  <tagNode name="username">
                    <properties>
                      <help>User name for authentication</help>
                    </properties>
                    <children>
                      <leafNode name="disable">
                        <properties>
                          <help>Option to disable a PPPoE Server user</help>
                        </properties>
                      </leafNode>
                      <leafNode name="password">
                        <properties>
                          <help>Password for authentication</help>
                        </properties>
                      </leafNode>
                      <leafNode name="static-ip">
                        <properties>
                          <help>Static client IP address</help>
                        </properties>
                      </leafNode>
                      <node name="rate-limit">
                        <properties>
                          <help>Upload/Download speed limits</help>
                        </properties>
                        <children>
                          <leafNode name="upload">
                            <properties>
                              <help>Upload bandwidth limit in kbits/sec</help>
                              <constraint>
                                <validator name="numeric" argument="--range 1-10000000"/>
                              </constraint>
                            </properties>
                          </leafNode>
                          <leafNode name="download">
                            <properties>
                              <help>Download bandwidth limit in kbits/sec</help>
                              <constraint>
                                <validator name="numeric" argument="--range 1-10000000"/>
                              </constraint>
                            </properties>
                          </leafNode>
                        </children>
                      </node>
                    </children>
                  </tagNode>
                </children>
              </node>
              <leafNode name="mode">
                <properties>
                  <help>Authentication mode for PPPoE Server</help>
                  <valueHelp>
                    <format>local</format>
                    <description>Use local username/password configuration</description>
                  </valueHelp>
                  <valueHelp>
                    <format>radius</format>
                    <description>Use a RADIUS server to autenticate users</description>
                  </valueHelp>
                  <constraint>
                    <regex>^(local|radius)</regex>
                  </constraint>
                  <completionHelp>
                    <list>local radius</list>
                  </completionHelp>
                </properties>
              </leafNode>
              <tagNode name="radius-server">
                <properties>
                  <help>IP address of RADIUS server</help>
                  <valueHelp>
                    <format>ipv4</format>
                      <description>IP address of RADIUS server</description>
                  </valueHelp>
                </properties>
                <children>
                  <leafNode name="secret">
                    <properties>
                      <help>Key for accessing the specified server</help>
                    </properties>
                  </leafNode>
                  <leafNode name="req-limit">
                    <properties>
                      <help>Maximum number of simultaneous requests to server (default: unlimited)</help>
                    </properties>
                  </leafNode>
                  <leafNode name="fail-time">
                    <properties>
                      <help>If server doesn't responds mark it as unavailable for this amount of time in seconds</help>
                    </properties>
                  </leafNode>
                </children>
              </tagNode>
              <node name="radius-settings">
                <properties>
                  <help>RADIUS settings</help>
                </properties>
                <children>
                  <leafNode name="timeout">
                    <properties>
                      <help>Timeout to wait response from server (seconds)</help>
                    </properties>
                  </leafNode>
                  <leafNode name="acct-timeout">
                    <properties>
                      <help>Timeout to wait reply for Interim-Update packets. (default 3 seconds)</help>
                    </properties>
                  </leafNode>
                  <leafNode name="max-try">
                    <properties>
                      <help>Maximum number of tries to send Access-Request/Accounting-Request queries</help>
                    </properties>
                  </leafNode>
                  <leafNode name="nas-identifier">
                    <properties>
                      <help>Value to send to RADIUS server in NAS-Identifier attribute and to be matched in DM/CoA requests.</help>
                    </properties>
                  </leafNode>
                  <leafNode name="nas-ip-address">
                    <properties>
                      <help>Value to send to RADIUS server in NAS-IP-Address attribute and to be matched in DM/CoA requests. Also DM/CoA server will bind to that address.</help>
                    </properties>
                  </leafNode>
                  <node name="dae-server">
                    <properties>
                      <help>IPv4 address and port to bind Dynamic Authorization Extension server (DM/CoA)</help>
                    </properties>
                    <children>
                      <leafNode name="ip-address">
                        <properties>
                          <help>IP address for Dynamic Authorization Extension server (DM/CoA)</help>
                        </properties>
                      </leafNode>
                      <leafNode name="port">
                        <properties>
                          <help>Port for Dynamic Authorization Extension server (DM/CoA)</help>
                        </properties>
                      </leafNode>
                      <leafNode name="secret">
                        <properties>
                          <help>Secret for Dynamic Authorization Extension server (DM/CoA)</help>
                        </properties>
                      </leafNode>
                    </children>
                  </node>
                  <node name="rate-limit">
                    <properties>
                      <help>Upload/Download speed limits</help>
                    </properties>
                    <children>
                      <leafNode name="attribute">
                        <properties>
                          <help>Specifies which radius attribute contains rate information. (default is Filter-Id)</help>
                        </properties>
                      </leafNode>
                      <leafNode name="vendor">
                        <properties>
                          <help>Specifies the vendor dictionary. (dictionary needs to be in /usr/share/accel-ppp/radius)</help>
                        </properties>
                      </leafNode>
                      <leafNode name="enable">
                        <properties>
                          <help>Enables Bandwidth shaping via RADIUS</help>
                          <valueless />
                        </properties>
                      </leafNode>
                    </children>
                  </node>
                </children>
              </node>
            </children>
          </node>
          <node name="client-ip-pool">
            <properties>
              <help>Pool of client IP addresses (must be within a /24)</help>
            </properties>
            <children>
              <leafNode name="start">
                <properties>
                  <help>First IP address in the pool</help>
                  <constraint>
                    <validator name="ipv4-address"/>
                  </constraint>
                </properties>
              </leafNode>
              <leafNode name="stop">
                <properties>
                  <help>Last IP address in the pool</help>
                  <constraint>
                    <validator name="ipv4-address"/>
                  </constraint>
                </properties>
              </leafNode>
              <leafNode name="subnet">
                <properties>
                  <help>Client IP subnet (CIDR notation)</help>
                  <constraint>
                    <validator name="ipv4-prefix"/>
                  </constraint>
                  <constraintErrorMessage>Not a valid CIDR formatted prefix</constraintErrorMessage>
                  <multi />
                </properties>
              </leafNode>
            </children>
          </node>
          <node name="client-ipv6-pool">
            <properties>
              <help>Pool of client IPv6 addresses</help>
            </properties>
            <children>
              <leafNode name="prefix">
                <properties>
                  <help>Format: ipv6prefix/mask,prefix_len (e.g.: fc00:0:1::/48,64 - divides prefix into /64 subnets for clients)</help>
                  <multi />
                </properties>
              </leafNode>
              <leafNode name="delegate-prefix">
                <properties>
                  <help>Format: ipv6prefix/mask,prefix_len (delegate to clients through DHCPv6 prefix delegation - rfc3633)</help>
                  <multi />
                </properties>
              </leafNode>
            </children>
          </node>
          <node name="dns-servers">
            <properties>
              <help>IPv4 Domain Name Service (DNS) server</help>
            </properties>
            <children>
            <leafNode name="server-1">
              <properties>
                <help>Primary DNS server</help>
                <valueHelp>
                  <format>ipv4</format>
                  <description>IPv4 address</description>
                </valueHelp>
                <constraint>
                  <validator name="ipv4-address"/>
                </constraint>
              </properties>
            </leafNode>
            <leafNode name="server-2">
              <properties>
                <help>Secondary DNS server</help>
                <valueHelp>
                  <format>ipv4</format>
                  <description>IPv4 address</description>
                </valueHelp>
                <constraint>
                  <validator name="ipv4-address"/>
                </constraint>
              </properties>
            </leafNode>
            </children>
          </node> 
           <node name="dnsv6-servers">
            <properties>
              <help>IPv6 Domain Name Service (DNS) server</help>
            </properties>
            <children>
              <leafNode name="server-1">
                <properties>
                  <valueHelp>
                    <format>ipv6</format>
                    <description>IPv6 address</description>
                  </valueHelp>
                  <help>Primary DNS server</help>
                  <constraint>
                    <validator name="ipv6-address"/>
                  </constraint>
                </properties>
              </leafNode>
              <leafNode name="server-2">
                <properties>
                  <valueHelp>
                    <format>ipv6</format>
                    <description>IPv6 address</description>
                  </valueHelp>
                  <help>Secondary DNS server</help>
                  <constraint>
                    <validator name="ipv6-address"/>
                  </constraint>
                </properties>
              </leafNode>
              <leafNode name="server-3">
                <properties>
                  <valueHelp>
                    <format>ipv6</format>
                  <description>IPv6 address</description>
                  </valueHelp>
                  <help>Tertiary DNS server</help>
                  <constraint>
                    <validator name="ipv6-address"/>
                  </constraint>
                </properties>
              </leafNode>
            </children>
          </node>
          <leafNode name="interface">
            <properties>
              <help>interface(s) to listen on</help>
              <completionHelp>
                <script>${vyos_completion_dir}/list_interfaces.py</script>
              </completionHelp>
              <multi/>
            </properties>
          </leafNode>
          <leafNode name="local-ip">
            <properties>
              <help>local gateway address</help>
              <constraint>
                <validator name="ipv4-address"/>
              </constraint>
            </properties>
          </leafNode>
          <leafNode name="mtu">
            <properties>
              <help>Maximum Transmission Unit (MTU) - default 1492</help>
              <constraint>
              <validator name="numeric" argument="--range 128-16384"/>
              </constraint>
            </properties>
          </leafNode>
          <node name="limits">
            <properties>
              <help>Limits the connection rate from a single source</help>
            </properties>
            <children>
              <leafNode name="connection-limit">
                <properties>
                  <help>Acceptable rate of connections (e.g. 1/min, 60/sec)</help>
                  <constraint>
                    <regex>^[0-9]+\/(min|sec)$</regex>
                  </constraint>
                  <constraintErrorMessage>illegal value</constraintErrorMessage>
                </properties>
              </leafNode>
              <leafNode name="burst">
                <properties>
                  <help>Burst count</help>
                </properties>
              </leafNode>
              <leafNode name="timeout">
                <properties>
                  <help>Timeout in seconds</help>
                </properties>
              </leafNode>
            </children>
          </node>
          <leafNode name="service-name">
            <properties>
              <help>Service name</help>
              <constraint>
                <regex>^[a-zA-Z0-9\-]{1,100}</regex>
              </constraint>
              <constraintErrorMessage>servicename can contain aplhanumerical characters and dashes only (max. 100)</constraintErrorMessage>
              <multi/>
            </properties>
          </leafNode>
          <node name="wins-servers">
            <properties>
              <help>Windows Internet Name Service (WINS) server settings</help>
            </properties>
            <children>
              <leafNode name="server-1">
                <properties>
                  <help>Primary WINS server</help>
                  <constraint>
                    <validator name="ipv4-address"/>
                  </constraint>
                </properties>
              </leafNode>
              <leafNode name="server-2">
                <properties>
                  <help>Secondary WINS server</help>
                  <constraint>
                    <validator name="ipv4-address"/>
                  </constraint>
                </properties>
              </leafNode>
            </children>
          </node>
          <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="ccp">
                <properties>
                  <help>CCP negotiation (default disabled)</help>
                  <valueless/>
                </properties>
              </leafNode>
              <leafNode name="mppe">
                <properties>
                  <help>Specifies MPPE negotiation preference. (default prefer mppe)</help>
                  <completionHelp>
                    <list>deny prefer require</list>
                  </completionHelp>
                  <valueHelp>
                    <format>deny</format>
                    <description>Deny MPPE</description>
                  </valueHelp>
                  <valueHelp>
                    <format>prefer</format>
                    <description>Ask client for MPPE - do not fail on reject</description>
                  </valueHelp>
                  <valueHelp>
                    <format>require</format>
                    <description>Ask client for MPPE - drop connection on reject</description>
                  </valueHelp>
                  <constraint>
                    <regex>^(deny|prefer|require)$</regex>
                  </constraint>
                </properties>
              </leafNode>
              <leafNode name="lcp-echo-interval">
                <properties>
                  <help>LCP echo-requests/sec</help>
                  <constraint>
                    <validator name="numeric" argument="--positive"/>
                  </constraint>
                </properties>
              </leafNode>
              <leafNode name="lcp-echo-failure">
                <properties>
                  <help>Maximum number of Echo-Requests may be sent without valid reply</help>
                  <constraint>
                    <validator name="numeric" argument="--positive"/>
                  </constraint>
                </properties>
              </leafNode>
              <leafNode name="lcp-echo-timeout">
                <properties>
                  <help>Timeout in seconds to wait for any peer activity. If this option specified it turns on adaptive lcp echo functionality and "lcp-echo-failure" is not used.</help>
                  <constraint>
                    <validator name="numeric" argument="--positive"/>
                  </constraint>
                </properties>
              </leafNode>
              <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>Don't 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, don't 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>
              <leafNode name="ipv6">
                <properties>
                  <help>IPv6 (IPCP6) negotiation algorithm</help>
                  <constraint>
                    <regex>^(deny|allow|prefer|require)</regex>
                  </constraint>
                  <constraintErrorMessage>invalid value</constraintErrorMessage>
                  <valueHelp>
                    <format>deny</format>
                    <description>Don't negotiate IPv6</description>
                  </valueHelp>
                  <valueHelp>
                    <format>allow</format>
                    <description>Negotiate IPv6 only if client requests</description>
                  </valueHelp>
                  <valueHelp>
                    <format>prefer</format>
                    <description>Ask client for IPv6 negotiation, don't fail if it rejects</description>
                  </valueHelp>
                  <valueHelp>
                    <format>require</format>
                    <description>Require IPv6 negotiation</description>
                  </valueHelp>
                  <completionHelp>
                    <list>deny allow prefer require</list>
                  </completionHelp>
                </properties>
              </leafNode>
              <leafNode name="ipv6-intf-id">
                <properties>
                  <help>Fixed or random interface identifier for IPv6</help>
                  <valueHelp>
                    <format>random</format>
                    <description>Random interface identifier for IPv6</description>
                  </valueHelp>
                  <valueHelp>
                    <format>x:x:x:x</format>
                    <description>specify interface identifier for IPv6</description>
                  </valueHelp>
                </properties>
              </leafNode>
              <leafNode name="ipv6-peer-intf-id">
                <properties>
                  <help>Peer interface identifier for IPv6</help>
                  <valueHelp>
                    <format>x:x:x:x</format>
                    <description>Interface identifier for IPv6</description>
                  </valueHelp>
                  <valueHelp>
                    <format>random</format>
                    <description>Use a random interface identifier for IPv6</description>
                  </valueHelp>
                  <valueHelp>
                    <format>ipv4</format>
                    <description>Calculate interface identifier from IPv4 address, for example 192:168:0:1</description>
                  </valueHelp>
                  <valueHelp>
                    <format>calling-sid</format>
                    <description>Calculate interface identifier from calling-station-id</description>
                  </valueHelp>
                </properties>
              </leafNode>
              <leafNode name="ipv6-accept-peer-intf-id">
                <properties>
                  <help>Accept peer's interface identifier</help>
                  <valueless /> 
                </properties>
              </leafNode>
            </children>
          </node>
          <tagNode name="pado-delay">
            <properties>
              <help>PADO delays</help>
              <valueHelp>
                <format>1-999999</format>
                <description>Number in ms</description>
              </valueHelp>
              <constraint>
                <validator name="numeric" argument="--range 1-999999"/>
              </constraint>
              <constraintErrorMessage>Invalid PADO delay</constraintErrorMessage>
            </properties>
            <children>
              <leafNode name="sessions">
                <properties>
                  <help>Number of sessions</help>
                  <valueHelp>
                    <format>1-999999</format>
                    <description>Number of sessions</description>
                  </valueHelp>
                  <constraint>
                    <validator name="numeric" argument="--range 1-999999"/>
                  </constraint>
                  <constraintErrorMessage>Invalid number of delayed sessions</constraintErrorMessage>
                </properties>
              </leafNode>
            </children>
          </tagNode>
        </children>
      </node>
    </children>
  </node>
</interfaceDefinition>