The map ipv4-tos command sets a ToS value for IPv4 packets.
The undo map ipv4-tos command deletes a ToS value for IPv4 packets.
By default, a device copies the Traffic-class field value in IPv6 packets and pastes it to the ToS field value in IPv4 packets.
This command is supported only on the NetEngine 8000 F1A.
To set a ToS value in IPv4 packets, run the map ipv4-tos command. To delete the setting, run the undo map ipv4-tos command.
NOTE: The ToS value in IPv4 packets is the ToS field value carried in the packet header. By default, a device copies the Traffic-class field value in IPv6 packets and pastes it to the ToS field value in IPv4 packets.