This recommendation describes the specifics of protection switching for Ethernet VLAN signals. Included are details pertaining to ETH protection characteristics, architectures and the APS protocol. The protection scheme considered in this Recommendation is: - VLAN based Ethernet subnetwork connection protection with sublayer monitoring. This recommendation describes the specifics of protection switching for Ethernet VLAN signals. Included are details pertaining to ETH protection characteristics, architectures and the APS protocol. The protection scheme considered in this Recommendation is: - VLAN based Ethernet subnetwork connection protection with sublayer monitoring.