Description: The value is to remark when yellow action is remarking. For remark-dscp-continue and remark-dscp-pass, the range is 0~63; For remark-ip-continue and remark-ip-pass and remark-mplsexp-continue and remark-mplsexp-pass and remark-dot1p-continue and remark-dot1p-pass, the range is 0~7; For remark-fr-de-continue and remark-fr-de-pass and remark-atm-clp-continue and remark-atm-clp-pass, the range is 0~1. 255 is returned only when getting value from hardware QoS or when action being pass, discard of software QoS. 255 can't be set.