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mapping, DSCP to CoS mapping, DSCP to DSCP mutation mapping, IP
precedence to DSCP and policed DSCP mapping; the “no mls qos map
{cos-dscp | dscp-cos | dscp-mutation <dscp-mutation-name> |
ip-prec-dscp | policed-dscp}” command restores the default mapping.
Parameter: cos-dscp <dscp1...dscp8> defines the mapping from CoS value to DSCP,
<dscp1...dscp8> are the 8 DSCP value corresponding to the 0 to 7 CoS
value, each DSCP value is delimited with space, ranging from 0 to 63;
dscp-cos <dscp-list> to <cos> defines the mapping from DSCP to CoS
value, <dscp-list> is a list of DSCP value consisting of up to 8 DSCP values,
<cos> are the CoS values corresponding to the DSCP values in the list；
dscp-mutation <dscp-mutation-name> <in-dscp> to <out-dscp> defines
the mapping from DSCP to DSCP mutation, <dscp-mutation-name> is the
name for mutation mapping, <in-dscp> stand for incoming DSCP values, up
to 8 values are supported, each DSCP value is delimited with space, ranging
from 0 to 63, <out-dscp> is the sole outgoing DSCP value, the 8 values
defined in incoming DSCP will be converted to outgoing DSCP values;
ip-prec-dscp <dscp1...dscp8> defines the conversion from IP precedence
to DSCP value, <dscp1...dscp8> are 8 DSCP values corresponding to IP
precedence 0 to 7, each DSCP value is delimited with space, ranging from 0
to 63; policed-dscp <dscp-list> to <mark-down-dscp> defines DSCP
mark down mapping, where <dscp-list> is a list of DSCP values containing
up to 8 DSCP values, <mark-down-dscp> are DSCP value after mark
down.
Default: Default mapping values are:
Default CoS-to-DSCP Map
CoS Value 0 1 2 3 4 5 6 7
DSCP Value 0 8 16 24 32 40 48 56
Default DSCP-to-CoS Map
DSCP Value 0–7 8–15 16–23 24–31 32–39 40–47 48–55 56–63
CoS Value 0 1 2 3 4 5 6 7
Default IP-Precedence-to-DSCP Map
IP Precedence Value 0 1 2 3 4 5 6 7
DSCP Value 0 8 16 24 32 40 48 56
dscp-mutation and policed-dscp are not configured by default
Command mode: Global Mode
Usage Guide: In police command, classified packet traffic can be set to mark down if
exceed specified average speed or burst value, policed-dscp <dscp-list>
to <mark-down-dscp> can mark down the DSCP values of those packets
to new DSCP values.
Example: Set the CoS-to-DSCP mapping value to the default 0 8 16 24 32 40 48 56 to 0