Procedure 11-24: Provision Ethernet QoS parameters

- Overview

This procedure provides a list of provisionable parameters for quality of service parameters set using the ent/ed-erate command, or selecting Configuration → Data → Provision QoS Service from the WaveStar® CIT System menu.

Also see Procedure 11-23: Provision Ethernet quality of service (QoS) - LNW70/LNW170 and Procedure 11-37: Provision Ethernet quality of service (QoS) - LNW78.

Important!

For LNW70/LNW170 circuit packs, these parameters may apply to a VCG, an Ethernet LAN port, or a Link Aggregation Group (LAG). For LNW78 circuit packs, these parameters may apply to an Ethernet over SONET (EoS) VCG (v17 - v22) or an Ethernet LAN port.

- Privilege level

You must login as either a Privileged or General user to complete this procedure.

- Before you begin

Prior to performing this procedure, refer to Before you begin and Required equipment in this chapter and you must have complete work instructions for this procedure that detail:

  • The network configuration and the terminating Ethernet nodes.

  • The values to be set for each parameter.

Steps

Use this procedure as a reference for creating an Ethernet QoS service on circuit packs that support QoS services parameters.

 
1

Use the ent-erate TL1 command or select Configuration → Data → Provision QoS Service from the System View menu. Select the Ethernet circuit pack being provisioned, then click Select.

References:

Procedure 11-23: Provision Ethernet quality of service (QoS) - LNW70/LNW170

Procedure 11-37: Provision Ethernet quality of service (QoS) - LNW78


2

Use Table 11-9, ENT-ERATE command provisionable parameters as reference to provision the necessary parameters from your work instructions.


End of steps

ENT-ERATE command parameters

Table 11-9, ENT-ERATE command provisionable parameters lists the provisionable parameters for the Quality of Service (QoS):

Table 11-9: ENT-ERATE command provisionable parameters

Parameter

Description

tagid

Tag ID. Represents the VLAN ID in the 802.1TAG mode, or the Port Tag ID in the TRANS mode.

Value: An integer in the range of 1 to 4093.

If trafmgmtmd is set to PORT or COSPORT then tagid must be blank.

If trafmgmtmd is set to TAGPORT or COSTAGPORT, then a valid numerical value for tagid must be entered and it must be a value that has been previously provisioned at the port.

tagid must be blank on a LNW78 pack.

cos

The CoS parameter applies to the LNW70/LNW170 and the LNW78 circuit packs only. It specifies the class of service that the parameters in this command apply to.

For the LNW70/LNW170, the allowed value is an integer between 0 and 3.

  • The value of 0 specifies CoS level 0.

  • The value of 1 specifies CoS level 1.

  • The value of 2 specifies CoS level 2.

  • The value of 3 specifies CoS level 3.

For the LNW70/LNW170:

  • If trafmgmtmd is set to PORT and the ED-EPORT hlayercos is set to DSCP, then a valid cos must be entered.

  • If trafmgmtmd is set to PORT and the ED-EPORT hlayercos is set to NONE, then cos must be blank.

  • If trafmgmtmd is set to COSPORT or COSTAGPORT, then a valid numerical value for cos must be entered.

For the LNW78, the allowed value is an integer between 1 and 3.

  • The value of 1 specifies CoS level 1 (Class C)

  • The value of 2 specifies CoS level 2 (Class B)

  • The value of 3 specifies CoS level 2 (Class A)

For the LNW78:

  • If trafmgmtmd is set to PORT, then cos must be blank.

  • If trafmgmtmd is set to COSPORT, then a valid numerical value for cos must be entered.

cbs

CBS. Committed Burst Size. This is the committed burst size in kilobytes (1024 bytes) for the service addressed by the trafmgmtmd, port aid, tagid, and cos.

Value: An integer in the range of 1 to 255. Default is 20.

Default value is chosen because it guarantees that the burst size is at least the maximum frame size possible (when jumbo frames up to 10K are used).

In case of Private Line (vlantagmd set to NOTAG), the cbs value cannot be set (it takes on the pbs value).

On an LNW78, cbs cannot be set for CoS level 1.

cir

CIR. Committed Information Rate. This is the committed information rate of the traffic conditioner function in Mbps for the service addressed by the trafmgmtmd, port aid, tagid, and cos.

Value: An integer in the range of 0 to 1000 for the LNW78. For the LNW70/LNW170, an integer in the range of 0 to 10000. Default value is 0.

The value of cir must be less than or equal to pir.

A value of 0 means that there is no network commitment on incoming traffic. All traffic will be considered excess traffic.

A value above the port rate means that there is no policing of the traffic, traffic will flow unconditioned.

In case of Private Line (vlantagmd set to NOTAG), the cir value cannot be set (it takes on the pir value)

On an LNW78, cir cannot be set for CoS level 1.

pbs

PBS. Peak Burst Size. This is the peak burst size in kilobytes (1024 bytes) for the service addressed by the trafmgmtmd, port aid, tagid, and cos.

Value is an integer in the range of 1 to 255. Default value is 30.

The value of pbs must be greater than or equal to cbs.

The default value of 30 is chosen because it guarantees that the burst size is at least the maximum frame size possible (when jumbo frames up to 10K are used).

On an LNW78, pbs cannot be set for CoS level 3.

pir

PIR. Peak Information Rate. This is the peak information rate of the traffic conditioner function in Mbps. This is the pir for the service addressed by the trafmgmtmd, port aid, tagid, and cos.

Value is an integer in the range of 0 to 10000 for the LNW70/LNW170. Default value is 10000. For the LNW78, value is an integer in the range of 0 to 1000 for the LNW70/LNW170. Default value is 1000.

The value of pir must be greater than or equal to cir

A value of 1000 (LNW78) or 10000 (LNW70/LNW170) means that there is no policing of the traffic, traffic will flow unconditioned. A value of 0 means that the traffic is halted, 0 Mbps.

On an LNW78, pir cannot be set for CoS level 3.

qospm

QoS PM. Enables/Disables Performance Monitoring data collection for the service addressed by the trafmgmtmd, port aid, tagid, and cos. Counters for the service will be re-initialized to 0 when qospm is toggled from DISABLE to ENABLE.

Values:

  • ENABLE - QoS performance monitoring is enabled (initial value)

  • DISABLE - QoS performance monitoring disabled

dftpri2cos

Default CoS. This parameter sets the traffic class of all packets that ingress the port with tagid and sets the cos value that will be inserted into the packet prior to egressing the NE. The cos value will be inserted into the user_priority bits. This parameter is only applicable if the port pointed to by aid has trafmgmtmd set to TAGPORT.

Values: Integers 0, 1, 2, 3. Default is 0.

userpri2cos

User PB. This parameter shows the user priority bit values that map to the specified cos value. It is a map consisting of 8 elements left-to-right in increasing order of user priority, where each element specifies whether the user priority value maps to the CoS (“1”) or not (“0”).

Parameter is only valid is If Traffic Management Mode set to COSPORT or COSTAGPORT.

Values allowed: A string of 8 characters from the set (“0”,”1”).

Default value:

  • cos 0 : 01100000

  • cos 1 : 10010000

  • cos 2 : 00001100

  • cos 3 : 00000011

This parameter does not apply to the LNW78 pack. The mapping is specified by IEEE 802.17a-2004.

dscp2cos

Differentiated Services Code Point (DSCP) to associated CoS Level (cos) map. This parameter lists the DSCP integer (six bits of the DS field) values that map to the specified cos value. This parameter is only applicable if the port pointed to by aid has trafmgmtmd set to PORT and hlayercos set to DSCP.

Values: A list of integers between 0 and 64. The value 64 is used to classify non DSCP traffic to a cos. Any number can only be mapped to one service.

Any DSCP value that is not mapped to a cos will default to CoS 0, even if cos 0 was not created using (ENT-ERATE). If value 64 (for non IP frames) is not assigned to a cos, it will be assigned by default to CoS 0.

Default value:

  • cos 0 : 0-9&11&13&15&26&28&30&34&36&38&44&50&52&54& 58&60&62

  • cos 1 : 16-25&27&29&31

  • cos 2 : 10&12&14&32&33&35&37&39&40&43&45&47&64

  • cos 3 : 46&48&49&51&53&55-57&59&61&63

This parameter is only applicable to the LNW70/LNW170 pack.

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