<?xml version="1.0"?> <interfaceDefinition> <node name="interfaces"> <children> <tagNode name="loopback" owner="${vyos_conf_scripts_dir}/interfaces-loopback.py"> <properties> <help>Loopback interface</help> <priority>300</priority> <constraint> <regex>lo$</regex> </constraint> <constraintErrorMessage>Loopback interface must be named lo</constraintErrorMessage> <valueHelp> <format>lo</format> <description>Loopback interface</description> </valueHelp> </properties> <children> <leafNode name="address"> <properties> <help>IP address</help> <valueHelp> <format>ipv4net</format> <description>IPv4 address and prefix length</description> </valueHelp> <valueHelp> <format>ipv6net</format> <description>IPv6 address and prefix length</description> </valueHelp> <multi/> </properties> </leafNode> <leafNode name="description"> <properties> <help>Interface description</help> <constraint> <regex>^.{1,256}$</regex> </constraint> <constraintErrorMessage>Interface description too long (limit 256 characters)</constraintErrorMessage> </properties> </leafNode> </children> </tagNode> </children> </node> </interfaceDefinition>