03-05-2019 11:22 AM
Hi All,
I have a Cisco Catalyst 9300 which is dual attached to a distribution switch using a port-channel. I need to configure auto qos on the port-channel uplink to support a voip deployment.
I have read in the Cisco 9300 IOS-XE release notes that auto-qos is not supported on port-channel member interfaces, however, I am able to attach the auto-qos auto generated policy-maps to the member interfaces without any issues.
interface TenGigabitEthernet1/1/1
service-policy input AutoQos-4.0-Trust-Dscp-Input-Policy
service-policy output AutoQos-4.0-Output-Policy
channel-group 1 mode active
I can also see traffic statistics when I issue 'show policy-map interface Ten1/1/1'
Are there any issues with this?
03-05-2019 11:49 AM
Can you post show version (are you running Fuji ?)
03-05-2019 12:14 PM
The switches are running Fuji 16.9.2
Cisco IOS XE Software, Version 16.09.02
Cisco IOS Software [Fuji], Catalyst L3 Switch Software (CAT9K_IOSXE), Version 16.9.2, RELEASE SOFTWARE (fc4)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2018 by Cisco Systems, Inc.
Compiled Mon 05-Nov-18 19:32 by mcpre
03-08-2019 10:01 AM
Hi,
Any thoughts on this?
Thank you
03-08-2019 10:40 AM
The following are restrictions and considerations for applying QoS features on EtherChannel and channel member interfaces:
QoS is not supported on an EtherChannel interface.
QoS is supported on EtherChannel member interfaces in both ingress and egression directions. All EtherChannel members must have the same QoS policy applied. If the QoS policy is not the same, each individual policy on the different link acts independently.
On attaching a service policy to channel members, the following warning message appears to remind the user to make sure the same policy is attached to all ports in the EtherChannel: ' Warning: add service policy will cause inconsistency with port xxx in ether channel xxx. '.
Auto QoS is not supported on EtherChannel members.
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