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<?xml version="1.0"?>
<interfaceDefinition>
<node name="vpn">
<children>
<node name="l2tp" owner="${vyos_conf_scripts_dir}/vpn_l2tp.py">
<properties>
<help>L2TP Virtual Private Network (VPN)</help>
</properties>
<children>
<node name="remote-access">
<properties>
<help>Remote access L2TP VPN</help>
</properties>
<children>
<leafNode name="mtu">
<properties>
<help>Maximum Transmission Unit (MTU)</help>
<constraint>
<validator name="numeric" argument="--range 128-16384"/>
</constraint>
</properties>
</leafNode>
<leafNode name="outside-address">
<properties>
<help>External IP address to which VPN clients will connect</help>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
<leafNode name="gateway-address">
<properties>
<help>Gatway address uses as client tunnel termination point</help>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
<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>
<leafNode name="dnsv6-servers">
<properties>
<help>IPv6 Domain Name Service (DNS) server</help>
<valueHelp>
<format>ipv6</format>
<description>IPv6 DNS address</description>
</valueHelp>
<constraint>
<validator name="ipv6-address"/>
</constraint>
<multi />
</properties>
</leafNode>
<node name="lns">
<properties>
<help>L2TP Network Server (LNS)</help>
</properties>
<children>
<leafNode name="shared-secret">
<properties>
<help>Tunnel password used to authenticate the client (LAC)</help>
</properties>
</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>
</properties>
<children>
<node name="authentication">
<properties>
<help>IPsec authentication settings</help>
</properties>
<children>
<leafNode name="mode">
<properties>
<help>Authentication mode for IPsec</help>
<valueHelp>
<format>pre-shared-secret</format>
<description>Use pre-shared secret for IPsec authentication</description>
</valueHelp>
<valueHelp>
<format>x509</format>
<description>Use X.509 certificate for IPsec authentication</description>
</valueHelp>
<constraint>
<regex>(pre-shared-secret|x509)</regex>
</constraint>
<completionHelp>
<list>pre-shared-secret x509</list>
</completionHelp>
</properties>
</leafNode>
<leafNode name="pre-shared-secret">
<properties>
<help>Pre-shared secret for IPsec</help>
</properties>
</leafNode>
<node name="x509">
<properties>
<help>X.509 certificate</help>
</properties>
<children>
<leafNode name="ca-cert-file">
<properties>
<help>File containing the X.509 certificate for the Certificate Authority (CA)</help>
<valueHelp>
<format><text></format>
<description>File in /config/auth</description>
</valueHelp>
</properties>
</leafNode>
<leafNode name="crl-file">
<properties>
<help>File containing the X.509 Certificate Revocation List (CRL)</help>
<valueHelp>
<format><text></format>
<description>File in /config/auth</description>
</valueHelp>
</properties>
</leafNode>
<leafNode name="server-cert-file">
<properties>
<help>File containing the X.509 certificate for the remote access VPN server (this host)</help>
<valueHelp>
<format><text></format>
<description>File in /config/auth</description>
</valueHelp>
</properties>
</leafNode>
<leafNode name="server-key-file">
<properties>
<help>File containing the private key for the X.509 certificate for the remote access VPN server (this host)</help>
<valueHelp>
<format><text></format>
<description>File in /config/auth</description>
</valueHelp>
</properties>
</leafNode>
<leafNode name="server-key-password">
<properties>
<help>Password that protects the private key</help>
</properties>
</leafNode>
</children>
</node>
</children>
</node>
<leafNode name="ike-lifetime">
<properties>
<help>IKE lifetime</help>
<valueHelp>
<format><30-86400></format>
<description>IKE lifetime in seconds (default 3600)</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 30-86400"/>
</constraint>
</properties>
</leafNode>
<leafNode name="lifetime">
<properties>
<help>ESP lifetime</help>
<valueHelp>
<format><30-86400></format>
<description>IKE lifetime in seconds (default 3600)</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 30-86400"/>
</constraint>
</properties>
</leafNode>
</children>
</node>
<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="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 (will be used as gateway address)</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>
<valueHelp>
<format>ipv4net</format>
<description>IPv4 subnet address</description>
</valueHelp>
<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>IPV6 prefix delegation</help>
<valueHelp>
<format>ipv6prefix/mask,prefix_len</format>
<description>e.g.: fc00:0:1::/48,64 - divides prefix into /64 subnets for clients</description>
</valueHelp>
<multi />
</properties>
</leafNode>
<leafNode name="delegate-prefix">
<properties>
<help>DHCPv6 prefix delegation - rfc3633</help>
<valueHelp>
<format>ipv6prefix/mask,prefix_len</format>
<description>Delegate to clients through DHCPv6 prefix delegation - rfc3633</description>
</valueHelp>
<multi />
</properties>
</leafNode>
</children>
</node>
<leafNode name="description">
<properties>
<help>Description for L2TP remote-access settings</help>
</properties>
</leafNode>
<leafNode name="dhcp-interface">
<properties>
<help>DHCP interface to listen on</help>
</properties>
</leafNode>
<leafNode name="idle">
<properties>
<help>PPP idle timeout</help>
<valueHelp>
<format><30-86400></format>
<description>PPP idle timeout in seconds (default 1800)</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 30-86400"/>
</constraint>
</properties>
</leafNode>
<node name="authentication">
<properties>
<help>Authentication for remote access L2TP VPN</help>
</properties>
<children>
<leafNode name="require">
<properties>
<help>Authentication protocol for remote access peer L2TP VPN</help>
<valueHelp>
<format>pap</format>
<description>Require the peer to authenticate itself using PAP [Password Authentication Protocol].</description>
</valueHelp>
<valueHelp>
<format>chap</format>
<description>Require the peer to authenticate itself using CHAP [Challenge Handshake Authentication Protocol].</description>
</valueHelp>
<valueHelp>
<format>mschap</format>
<description>Require the peer to authenticate itself using CHAP [Challenge Handshake Authentication Protocol].</description>
</valueHelp>
<valueHelp>
<format>mschap-v2</format>
<description>Require the peer to authenticate itself using MS-CHAPv2 [Microsoft Challenge Handshake Authentication Protocol, Version 2].</description>
</valueHelp>
<constraint>
<regex>(pap|chap|mschap|mschap-v2)</regex>
</constraint>
<completionHelp>
<list>pap chap mschap mschap-v2</list>
</completionHelp>
<multi />
</properties>
</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>
</leafNode>
<leafNode name="mode">
<properties>
<help>Authentication mode for remote access L2TP VPN</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>
<node name="local-users">
<properties>
<help>Local user authentication for remote access L2TP VPN</help>
</properties>
<children>
<tagNode name="username">
<properties>
<help>User name for authentication</help>
</properties>
<children>
<leafNode name="disable">
<properties>
<help>Option to disable a L2TP Server user</help>
<valueless/>
</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 1-65535"/>
</constraint>
</properties>
</leafNode>
<leafNode name="download">
<properties>
<help>Download bandwidth limit in kbits/sec</help>
<constraint>
<validator name="numeric" argument="--range 1-65535"/>
</constraint>
</properties>
</leafNode>
</children>
</node>
</children>
</tagNode>
</children>
</node>
<node name="radius">
<properties>
<help>RADIUS specific configuration</help>
</properties>
<children>
<tagNode name="server">
<properties>
<help>IP address of RADIUS server</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 address of RADIUS server</description>
</valueHelp>
</properties>
<children>
<leafNode name="key">
<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 not responds mark it unavailable for this time (seconds)</help>
</properties>
</leafNode>
</children>
</tagNode>
<leafNode name="source-address">
<properties>
<help>Local RADIUS client address from which packets are sent.</help>
<valueHelp>
<format><x.x.x.x></format>
<description>Local RADIUS client address from which packets are sent</description>
</valueHelp>
</properties>
</leafNode>
<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>
<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="ppp-options">
<properties>
<help>Advanced protocol options</help>
</properties>
<children>
<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>
</children>
</node>
</children>
</node>
</children>
</node>
</children>
</node>
</interfaceDefinition>
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