Digi TransPort LR54 - Page 426

routing-rule
Digi TransPort WR Routers User Guide
426
protocol
The protocol of the incoming packet. Use a single protocol, a list (tcp,udp,icmp), or exclusive value
(any). When set to 'any', src-ip-port and dst-ip-port values are ignored.
Accepted values can be multiple values of tcp, udp, icmp and any. The default value is any.
wan
The WAN packets that match this rule should be routed to.
Accepted value is any integer from 1 to 10. The default value is 1.