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Rewrite Rules

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    Rewrite Rules

    As packets enter or exit a network, edge switches might be required to alter the class-of-service (CoS) settings of the packets. Rewrite rules set the value of the code point bits (Layer 3 DSCP bits, Layer 2 CoS bits, or MPLS EXP bits) within the header of the outgoing packet.
    Feature hierarchy Feature Name
    Rewrite Rules / CoS rewrite rules
    Rewrite Rules / CoS rewrite rules: 802.1p
    Rewrite Rules / CoS rewrite rules: 802.1p rewrite for host outbound traffic
    Rewrite Rules / CoS rewrite rules: 802.1p rewrite on L2 logical interfaces
    Rewrite Rules / CoS rewrite rules: 802.1p rewrite on L3 logical interfaces
    Rewrite Rules / CoS rewrite rules: DSCP IPv6 rewrite
    Rewrite Rules / CoS rewrite rules: DSCP rewrite
    Rewrite Rules / CoS rewrite rules: DSCP rewrite and traffic-class rewrite
    Rewrite Rules / CoS rewrite rules: EXP rewriting
    Rewrite Rules / CoS rewrite rules: IEEE 802.1 rewrite rules to both inner and outer VLAN tags
    Rewrite Rules / CoS rewrite rules: IEEE 802.1p and DEI rewriting based on forwarding class and PLP at VPLS ingress PE
    Rewrite Rules / CoS rewrite rules: Import
    Rewrite Rules / CoS rewrite rules: Interface-specific rules
    Rewrite Rules / CoS rewrite rules: Interfaces
    Rewrite Rules / CoS rewrite rules: Packet marking schemes on a per-customer basis
    Rewrite Rules / CoS rewrite rules: Policy map support
    Rewrite Rules / CoS rewrite rules: Rewrite EXP bits of an outgoing packet
    Rewrite Rules / CoS rewrite rules: Rewrite MPLS and DSCP to different values
    Rewrite Rules / CoS rewrite rules: Rewrite of the first three bits of IPv6 DSCP value
    Rewrite Rules / CoS rewrite rules: Rewrite rules and classifiers in dynamic subscriber-based CoS
    Rewrite Rules / CoS rewrite rules: Rewrite rules and classifiers on Ethernet pseudowires
    Rewrite Rules / CoS rewrite rules: ToS rewrite rule for service providers
    Rewrite Rules / Copy outer IP header DSCP and ECN to inner IP header
    Rewrite Rules / DSCP copy on EVPN-VXLAN tunnels
    Rewrite Rules / Re-marking of MVPN GRE encapsulation DCSP at ASBR
    Rewrite Rules / Re-marking of bridged packets