Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

auto qos voipChapter 2Catalyst 3750-E and 3560-E Switch Cisco IOS CommandsTable 2-10Auto-QoS Configuration for the Ingress QueuesIngress Queue Queue Number CoS-to-Queue MapQueue Weight(Bandwidth)Queue (Buffer)SizeSRR 1 shared 1 0, 1, 2, 3, 6, 7 70 percent 90 percentPriority 2 4, 5 30 percent 10 percent1. SRR = shaped round robin. Ingress queues support shared mode only.Table 2-11Auto-QoS Configuration for the Egress QueuesQueue (Buffer) Sizefor Gigabit-CapablePortsQueue (Buffer)Size for 10/100Ethernet PortsEgress Queue Queue Number CoS-to-Queue MapQueue Weight(Bandwidth)Priority (shaped) 1 4, 5 up to 100 percent 25 percent 15 percentSRR shared 2 2, 3, 6, 7 10 percent 25 percent 25 percentSRR shared 3 0 60 percent 25 percent 40 percentSRR shared 4 1 20 percent 25 percent 20 percentCommand ModesInterface configurationCommand HistoryRelease12.2(35)SE212.2(40)SE12.2(55)SEModificationThis command was introduced.Support for services and policy mapping was added to the Cisco IP phone.Support for enhanced auto-QoS was added.Usage GuidelinesUse this command to configure the QoS appropriate for VoIP traffic within the QoS domain. The QoSdomain includes the switch, the network interior, and edge devices that can classify incoming traffic forQoS.Auto-QoS configures the switch for VoIP with Cisco IP Phones on switch and routed ports and for VoIPwith devices running the Cisco SoftPhone application. These releases support only Cisco IP SoftPhoneVersion 1.3(3) or later. Connected devices must use Cisco Call Manager Version 4 or later.Beginning in Cisco IOS Release 12.2(40)SE, support for services and policy mapping was added to theCisco IP phone.To take advantage of the auto-QoS defaults, you should enable auto-QoS before you configure other QoScommands. You can fine-tune the auto-QoS configuration after you enable auto-QoS.2-60Catalyst 3750-E and 3560-E Switch Command ReferenceOL-9776-08