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Seitenansicht 179
Chapter 14: Quality of Service
180 Section II: Advanced Operations
Remark DSCP
Specifies whether the ingress DSCP value is overwritten. Select one of
the following options from the list:
None - Disables this function.
All - All packets are remarked.
DSCP Value
Specifies a replacement value to write into the DSCP (TOS) field of the
packets. The range is 0 to 63.
A new DSCP value can be set at all three levels: flow group, traffic
class, and policy. A DSCP value specified in a flow group overrides a
DSCP value specified at the traffic class or policy level. A DSCP value
specified at the policy level is used only if no value has been specified
at the flow group and traffic class levels.
ToS
Specifies a replacement value to write into the Type of Service (ToS)
field of IPv4 packets. The range is 0 to 7.
A ToS value can be set at all three levels: flow group, traffic class, and
policy. The ToS value in a flow group overrides the value specified at
the traffic class or policy level, while the ToS value in a traffic class
overrides the value in a policy.
Move ToS to Priority
Replaces the value in the 802.1p priority field with the value in the ToS
priority field on IPv4 packets. Options are:
yes Replaces the value in the 802.1p priority field with the value in
the ToS priority field on IPv4 packets.
no Does not replace the preexisting 802.1p priority level. This is the
default.
Move Priority to ToS
Replaces the value in the ToS priority field with the 802.1p priority field
on IPv4 packets. Options are:
yes Replaces the value in the ToS priority field with the 802.1p priority
field on IPv4 packets.
no Does not replace the ToS priority field. This is the default.
Send to Mirror Port
Copies the traffic that meets the criteria of the policy’s classifiers to a
destination mirror port. Options are:
Yes Copies the traffic that meets the criteria of the classifiers to a
destination mirror port. You must specify the destination port by
creating a port mirror. For instructions, refer to “Creating a Port
Mirror” on page 94.
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