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Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command Reference

OL-13271-06

Chapter 2 Cisco Catalyst Blade Switch 3130 for Dell Cisco IOS Commands

auto qos voip

Command Modes Interface configuration

Defaults Auto-QoS is disabled on the port.

When auto-QoS is enabled, it uses the ingress packet label to categorize traffic, to assign packet labels,

and to configure the ingress and egress queues.

Table 2-10 Auto-QoS Configuration for the Ingress Queues

Ingress Queue Queue Number CoS-to-Queue Map

Queue Weight

(Bandwidth)

Queue (Buffer)

Size

SRR

shared

1. SRR = shaped round robin. Ingress queues support shared mode only.

1 0, 1, 2, 3, 6, 7 70 percent 90 percent

Priority 2 4, 5 30 percent 10 percent

Table 2-11 Auto-QoS Configuration for the Egress Queues

Egress Queue Queue Number CoS-to-Queue Map

Queue Weight

(Bandwidth)

Queue (Buffer) Size

for Gigabit-Capable

Ports

Queue (Buffer)

Size for 10/100

Ethernet Ports

Priority (shaped) 1 4, 5 up to 100 percent 25 percent 15 percent

SRR shared 2 2, 3, 6, 7 10 percent 25 percent 25 percent

SRR shared 3 0 60 percent 25 percent 40 percent

SRR shared 4 1 20 percent 25 percent 20 percent

Table 2-12 Traffic Types, Packet Labels, and Queues

VoIP Data

Traffic

VoIP Control

Traffic

Routing Protocol

Traffic

STP

BPDU

Traffic

1. STP = Spanning Tree Protocol

2. BPDU = bridge protocol data unit

Real-Time

Video Traffic All Other Traffic

DSCP

3. DSCP = Differentiated Services Code Point

46 24, 26 48 56 34 –

CoS

4. CoS = class of service

53 6 73–

CoS-to-ingress

queue map

2, 3, 4, 5, 6, 7 (queue 2) 0, 1 (queue 1)

CoS-to-egress

queue map

5 (queue 1) 3, 6, 7 (queue 2) 4 (queue 3) 2

(queue 3)

0, 1

(queue 4)

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 106 107

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