At the moment of adding the interfaces to a firewall zone:
set firewall zone WAN interface ppp+
this error appears:
vyos-configd[669]: Failed to apply firewall: /run/nftables.conf:45:22-22: Error: syntax
vyos-configd[669]: error, unexpected +, expecting comma or '}' oifname { ppp+ }
vyos-configd[669]: counter jump VZONE_WAN ^
vyos-configd[669]: /run/nftables.conf:54:22-22: Error: syntax error, unexpected +,
vyos-configd[669]: expecting comma or '}' iifname { ppp+ } counter return
vyos-configd[669]: ^ /run/nftables.conf:86:22-22: Error: syntax error, unexpected +,
vyos-configd[669]: expecting comma or '}' oifname { ppp+ } counter jump VZONE_WAN
vyos-configd[669]: ^ /run/nftables.conf:95:22-22: Error: syntax error, unexpected +,
vyos-configd[669]: expecting comma or '}' iifname { ppp+ } counter return
vyos-configd[669]: ^
vyos-configd[669]: Sending response 2The version is:
$ show version Version: VyOS 1.4.0 Release train: sagitta