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<?xml version="1.0"?>
<interfaceDefinition>
<node name="service">
<children>
<node name="conntrack-sync" owner="${vyos_conf_scripts_dir}/conntrack_sync.py">
<properties>
<help>Connection tracking synchronization</help>
<priority>995</priority>
</properties>
<children>
<leafNode name="accept-protocol">
<properties>
<help>Protocols for which local conntrack entries will be synced</help>
<completionHelp>
<list>tcp udp icmp icmp6 sctp dccp</list>
</completionHelp>
<valueHelp>
<format>tcp</format>
<description>Sync Transmission Control Protocol entries</description>
</valueHelp>
<valueHelp>
<format>udp</format>
<description>Sync User Datagram Protocol entries</description>
</valueHelp>
<valueHelp>
<format>icmp</format>
<description>Sync Internet Control Message Protocol entries</description>
</valueHelp>
<valueHelp>
<format>icmp6</format>
<description>Sync IPv6 Internet Control Message Protocol entries</description>
</valueHelp>
<valueHelp>
<format>sctp</format>
<description>Sync Stream Control Transmission Protocol entries</description>
</valueHelp>
<valueHelp>
<format>dccp</format>
<description>Sync Datagram Congestion Control Protocol entries</description>
</valueHelp>
<constraint>
<regex>^(tcp|udp|icmp|icmp6|sctp|dccp)$</regex>
</constraint>
<constraintErrorMessage>Allowed protocols: tcp udp icmp or sctp</constraintErrorMessage>
<multi/>
</properties>
</leafNode>
<leafNode name="disable-external-cache">
<properties>
<help>Directly injects the flow-states into the in-kernel Connection Tracking System of the backup firewall.</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="disable-syslog">
<properties>
<help>Disable connection logging via Syslog</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="event-listen-queue-size">
<properties>
<help>Queue size for local conntrack events</help>
<valueHelp>
<format>u32</format>
<description>Queue size in MB</description>
</valueHelp>
</properties>
<defaultValue>8</defaultValue>
</leafNode>
<leafNode name="expect-sync">
<properties>
<help>Protocol for which expect entries need to be synchronized</help>
<completionHelp>
<list>all ftp sip h323 nfs sqlnet</list>
</completionHelp>
<constraint>
<regex>^(all|ftp|sip|h323|nfs|sqlnet)$</regex>
</constraint>
<constraintErrorMessage>Invalid protocol</constraintErrorMessage>
<multi/>
</properties>
</leafNode>
<node name="failover-mechanism">
<properties>
<help>Failover mechanism to use for conntrack-sync</help>
</properties>
<children>
<node name="vrrp">
<properties>
<help>VRRP as failover-mechanism to use for conntrack-sync</help>
</properties>
<children>
<leafNode name="sync-group">
<properties>
<help>VRRP sync group</help>
<completionHelp>
<path>high-availability vrrp sync-group</path>
</completionHelp>
</properties>
</leafNode>
</children>
</node>
</children>
</node>
<leafNode name="ignore-address">
<properties>
<help>IP addresses for which local conntrack entries will not be synced</help>
<valueHelp>
<format>ipv4</format>
<description>IPv4 address to ignore</description>
</valueHelp>
<valueHelp>
<format>ipv4net</format>
<description>IPv4 prefix to ignore</description>
</valueHelp>
<valueHelp>
<format>ipv6</format>
<description>IPv6 address to ignore</description>
</valueHelp>
<valueHelp>
<format>ipv6net</format>
<description>IPv6 prefix to ignore</description>
</valueHelp>
<constraint>
<validator name="ipv4"/>
<validator name="ipv6"/>
</constraint>
<multi/>
</properties>
</leafNode>
<tagNode name="interface">
<properties>
<help>Interface to use for syncing conntrack entries</help>
<completionHelp>
<script>${vyos_completion_dir}/list_interfaces.py --bridgeable</script>
</completionHelp>
</properties>
<children>
<leafNode name="peer">
<properties>
<help>IP address of the peer to send the UDP conntrack info too. This disable multicast.</help>
<valueHelp>
<format>ipv4</format>
<description>IP address to listen for incoming connections</description>
</valueHelp>
<constraint>
<validator name="ipv4-address"/>
</constraint>
</properties>
</leafNode>
#include <include/port-number.xml.i>
</children>
</tagNode>
#include <include/listen-address-ipv4.xml.i>
<leafNode name="mcast-group">
<properties>
<help>Multicast group to use for syncing conntrack entries</help>
<constraint>
<validator name="ipv4-multicast"/>
</constraint>
</properties>
<defaultValue>225.0.0.50</defaultValue>
</leafNode>
<leafNode name="sync-queue-size">
<properties>
<help>Queue size for syncing conntrack entries</help>
<valueHelp>
<format>u32</format>
<description>Queue size in MB</description>
</valueHelp>
</properties>
<defaultValue>1</defaultValue>
</leafNode>
</children>
</node>
</children>
</node>
</interfaceDefinition>
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