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Understanding Rewrite of Packet Headers on Transparent Mode Devices
Before a packet is transmitted from an interface, the CoS fields in the packet's header can be rewritten for the forwarding class (FC) and packet loss priority (PLP) of the packet. The rewriting function converts a packet's FC and PLP into corresponding CoS fields in the packet header. In Layer 2 transparent mode, the CoS fields are the IEEE 802.1p priority bits.
You can use either J-Web or the CLI configuration editor to configure the rewrite rules that convert the FC and PLP into IEEE 802.1p priority bits and to apply the rewrite rules to an egress logical interface.
