D-Link DXS-3400 Emulator - Page 771

DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch CLI Reference Guide, BURST-NORMAL, BURST

Page 771 highlights

DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch CLI Reference Guide BURST-NORMAL BURST-MAX confirm-action exceed-action violate-action ACTION color-aware (Optional) Specifies the normal burst size in kilobytes. (Optional) Specifies the maximum burst size, in kilobytes. (optional) Specifies the action to take on green color packets. If the action is not specified, the default action is to transmit. Specifies the action to take on yellow color packets that exceed the rate limit. (Optional) Specifies the action to take on red color packets. When violate-action is not specified, the policer is a single rate two color policer. When violate-action is specified, the policer is a single rate three color policer. Specifies the action to take on packets. Use one of the following keywords: drop - Drops the packet. set-dscp-transmit VALUE - Sets the IP differentiated services code point (DSCP) value and transmits the packet with the new IP DSCP value. set-1p-transmit - Sets the 802.1p value and transmits the packet with the new value. transmit - Transmits the packet. The packet is not altered. (Optional) Specifies the option for the single rate three colors policer. When coloraware is not specified, the policer works in the color blind mode. When color-aware is specified, the policer works in the color aware mode. Default None. Command Mode Policy-map Class Configuration Mode. Command Default Level Level: 12. Usage Guideline Use the police command to drop the packet or mark the packet with different quality of service (QoS) values based on conformance level of the packet. Use the police KBPS command to create a single rate policer. Use the police cir command to create a two rate policer. There are two kinds of single rate policers (1) a single rate two color policer and (2) a single rate three color policer. If the violate action is specified in the police KBPS command, then the policer is three colors. If not specified, the policer is two colors. As a packet arrives at a port, the packet will be initialized with a color. If the receive port trusts DSCP then the initial color of the packet is mapped from the incoming DSCP based on the DSCP to color map. If the receipt port trusts CoS then the initial color is mapped from the incoming CoS based on the CoS to color map. A single rate two color policer can only work in color-blind mode. Both single rate three color policers and two rate three color policers can work in color aware mode. In color-blind mode, the final color of the packet is determined by the policer metering result alone. In color-aware mode, the final color of the packet is determined by the initial color of the packet and the policer metering result. In this case the policer may further downgrade the initial color. After the policer metering action will be based on the final color. Conform action will be taken on green color packets, exceed-action will be taken on yellow color packets, and violate action will be taken on red color packets. When specifying actions, you cannot specify contradictory actions such as violate-action transmit and exceedaction drop. The actions configured by the set command for a traffic class will be applied to all the packets belonging to the traffic class. 767

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DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch CLI Reference Guide
767
BURST-NORMAL
(Optional) Specifies the normal burst size in kilobytes.
BURST-MAX
(Optional) Specifies the maximum burst size, in kilobytes.
confirm-action
(optional) Specifies the action to take on green color packets. If the action is not
specified, the default action is to transmit.
exceed-action
Specifies the action to take on yellow color packets that exceed the rate limit.
violate-action
(Optional) Specifies the action to take on red color packets. When violate-action is
not specified, the policer is a single rate two color policer. When violate-action is
specified, the policer is a single rate three color policer.
ACTION
Specifies the action to take on packets. Use one of the following keywords:
drop
- Drops the packet.
set-dscp-transmit
VALUE -
Sets the IP differentiated services code point (DSCP)
value and transmits the packet with the new IP DSCP value.
set-1p-transmit
- Sets the 802.1p value and transmits the packet with the new
value.
transmit
- Transmits the packet. The packet is not altered.
color-aware
(Optional) Specifies the option for the single rate three colors policer. When color-
aware is not specified, the policer works in the color blind mode. When color-aware
is specified, the policer works in the color aware mode.
Default
None.
Command Mode
Policy-map Class Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
Use the
police
command to drop the packet or mark the packet with different quality of service (QoS) values
based on conformance level of the packet.
Use the
police
KBPS
command to create a single rate policer. Use the
police cir
command to create a two rate
policer. There are two kinds of single rate policers (1) a single rate two color policer and (2) a single rate three
color policer. If the violate action is specified in the
police
KBPS
command, then the policer is three colors. If not
specified, the policer is two colors.
As a packet arrives at a port, the packet will be initialized with a color. If the receive port trusts DSCP then the
initial color of the packet is mapped from the incoming DSCP based on the DSCP to color map. If the receipt port
trusts CoS then the initial color is mapped from the incoming CoS based on the CoS to color map.
A single rate two color policer can only work in color-blind mode. Both single rate three color policers and two rate
three color policers can work in color aware mode. In color-blind mode, the final color of the packet is determined
by the policer metering result alone. In color-aware mode, the final color of the packet is determined by the initial
color of the packet and the policer metering result. In this case the policer may further downgrade the initial color.
After the policer metering action will be based on the final color. Conform action will be taken on green color
packets, exceed-action will be taken on yellow color packets, and violate action will be taken on red color packets.
When specifying actions, you cannot specify contradictory actions such as violate-action transmit and exceed-
action drop.
The actions configured by the set command for a traffic class will be applied to all the packets belonging to the
traffic class.