TOI Author :: Rajat Jain

This feature allows the configuration of custom DSCP-to-DSCP maps on a per-Nexthop Group (NHG) basis. When applied it rewrites the DSCP of the outer IPv4 header of IPvX-in-IPv4 (X represents both v4 and v6) encapsulated packets using the inner IPvX header’s DSCP value while ensuring the DSCP of the inner IPvX overlay is preserved.

This feature allows the user to define a custom COS To Traffic-Class (TC) and Drop-Precedence (DP) map and apply it to an interface.

Custom (per-port) Cos To Traffic-Class Qos Map on DCS-7280R3, DCS7800R3, DCS-7500R3 .This feature allows the user to define a custom COS-To-TC map and apply to an interface. The custom COS-To-TC map would only be applicable when the interface is in CoS trust mode.

PFC (Priority based Flow Control) is a flow control mechanism used in RDMA environments. PFC provides a link level