Quality Of Service - Dell Force10 C150 Configuration Manual

Ftos configuration guide ftos 8.4.2.7 e-series terascale, c-series, s-series (s50/s25)

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Quality of Service

Differentiated service is accomplished by classifying and queuing traffic, and assigning priorities to those

The E-Series has eight unicast queues per port and 128 multicast queues per-port pipe. Traffic is queued on

ingress and egress. By default, on ingress, all data traffic is mapped to Queue 0, and all control traffic is

mapped to Queue 7. On egress control traffic is mapped across all eight queues. All queues are serviced

using the Weighted Fair Queuing scheduling algorithm. You can only manage queuing prioritization on

The C-Series traffic has eight queues per port. Four queues are for data traffic and four are for control

traffic. All queues are serviced using the Deficit Round Robin scheduling algorithm. You can only manage

queuing prioritization on egress.

Table 41-1. FTOS Support for Port-based, Policy-based, and Multicast QoS Features

Port-based QoS Configurations

Set dot1p Priorities for Incoming Traffic

Honor dot1p Priorities on Ingress Traffic

Configure Port-based Rate Policing

Configure Port-based Rate Limiting

Configure Port-based Rate Shaping

Policy-based QoS Configurations

Classify Traffic

Create a Layer 3 class map

Set DSCP values for egress packets based on flow

Create a Layer 2 class map

Create a QoS Policy

(QoS) is supported on platforms:

Ingress + Egress

Ingress + Egress

Ingress + Egress

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