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QoS on Bundle Ether Cisco NCS XR Platform

Shahrier
Level 1
Level 1

Hi ,

I am trying to configure QoS on Bundle Ether, but after configure QoS on bundle Ether getting below error: 

interface Bundle-Ether10
l2transport
service-policy output 15_Gbps
!!% 'qos-lib' detected the 'warning' condition 'MQC: Shape bandwidth rate is greater than the parent reference bandwidth'
 !
!

Conf Details:

policy-map 15_Gbps
class class-default
shape average 15360 mbps
!

interface Bundle-Ether10
mtu 9216
l2transport

 service-policy output 15_Gbps

As per cisco The QoS policy that is applied on bundle is inherited to all its member links and the reference bandwidth that is used to calculate shaper/bandwidth is applied as per the physical member interface bandwidth, and not the bundle as a whole.

So can anyone please suggest me how i can configure QoS in Bundle Ether.

Thanks in advance.

Regards,

Shahrier

 

1 Accepted Solution

Accepted Solutions

Shahrier
Level 1
Level 1

Thank you for your replay. 

View solution in original post

4 Replies 4

tkarnani
Cisco Employee
Cisco Employee

the shaper cannot be more than a single link in the bundle, please check

 

-Based on your description you are hitting below limitation:

  *   The shape rate that is specified in the bundle policy-map is not an aggregate for all bundle members. The shape rate applied to the bundle depends on the load balancing of the links. For example, if a policy map with a shape rate of 10 Mbps is applied to a bundle with two member links, and if the traffic is always load-balanced to the same member link, then an overall rate of 10 Mbps applies to the bundle. However, if the traffic is load-balanced evenly between the two links, the overall shape rate for the bundle becomes 20 Mbps.

https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/qos/75x/b-qos-cg-ncs5500-75x/config-qos-on-link-bundles-75x.html

Shahrier
Level 1
Level 1

Thank you for your replay. Could you please also suggest how can i shape ingress traffic, configured below but getting error:

policy-map 15_Gbps
class class-default
shape average 15 gbps
!
end-policy-map
!

interface Bundle-Ether15.2005 l2transport
encapsulation dot1q 11
mtu 9216
service-policy intput 15_Gbps

!!% 'DPA_QOSEA' detected the 'warning' condition 'Unsupported action type for ingress.'

Thanks in advance.

Xu Xing
Cisco Employee
Cisco Employee

shape only supports on egress direction.

Ingress side, you can use the police.

https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/qos/66x/b-qos-cg-ncs5500-66x/b-qos-cg-ncs5500-66x_chapter_010.html

 

XuXing_0-1693387412168.png

 

Shahrier
Level 1
Level 1

Thank you for your replay.