Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?




Hierarchy Level


Copy the Type of Service (ToS) field from the IP header of a packet to the outer IP header of a Virtual Extensible LAN (VXLAN) packet when encapsulating the packet. The ToS field includes values for differentiated services code points (DSCP) and explicit congestion notification (ECN).


ToS field copy during VXLAN tunnel encapsulation is supported but disabled on QFX5130 switches running Junos OS Evolved in versions 22.1R3, 22.2R2, 22.3R1 and later. Use the configuration statement above to enable it. ToS field copy on the VXLAN encapsulation side will not work on QFX5130 switches running Junos OS in 22.1R1, 22.1R2, and 22.2R1.

Required Privilege Level

admin—To view this statement in the configuration.

admin-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Evolved versions 22.1R3, 22.2R2, 22.3R1.