<!-- include start from interface/parameters-key.xml.i --> <leafNode name="key"> <properties> <help>Tunnel key (only GRE tunnels)</help> <valueHelp> <format>u32</format> <description>Tunnel key</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 0-4294967295"/> </constraint> <constraintErrorMessage>key must be between 0-4294967295</constraintErrorMessage> </properties> </leafNode> <!-- include end -->