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Command distinctions between wrr-queue on 3550 and 3560

MinQuant.Kuo
Level 1
Level 1

hello,all

The following are some QOS commands configured at some interface on Catalyst 3550 switch.

interface FastEthernet0/1

switchport access vlan 31

switchport mode access

switchport voice vlan 40

mls qos trust device cisco-phone

mls qos trust cos

auto qos voip cisco-phone

wrr-queue bandwidth 20 1 80 1

wrr-queue min-reserve 1 5

wrr-queue min-reserve 2 6

wrr-queue min-reserve 3 7

wrr-queue min-reserve 4 8

wrr-queue cos-map 1 0 1 2 4

wrr-queue cos-map 3 3 6 7

wrr-queue cos-map 4 5

priority-queue out

spanning-tree portfast

And now,there is a Catalyst 3560 switch needing to configure QOS the way as above commands.but no wrr-queue exsits on Catalyst 3560,what commands can be used to replace them.Thanks!

Respects!

Minquan Kuo

1 Reply 1

sushilk
Level 1
Level 1

Hi Minquan,

I believe Cisco 3560 switches does not support WRR. Instead it supports shaped round robin (SRR).

Configuration - http://www.cisco.com/en/US/products/hw/switches/ps5528/products_configuration_guide_chapter09186a00807742c0.html#wp1163879

Regards

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