[c-nsp] QOS on ASR9K

[Alex william]

Hello,

tested but got the following error:
SPI service policy name conflict: Different Service policy vlan10 is already
configured in same direction for SPI shared-2gbps

My config:

Created the interface policy of 2Gbps:
policy-map shared-2gbps
 class class-default
  shape average 2 gbps
 !
 end-policy-map

Created the subinterfaces policies:
policy-map vlan10
 class class-default
  service-policy child
  shape average 300 gbps
 !
 end-policy-map
!
policy-map vlan11
 class class-default
  service-policy child
  shape average 200 mbps
 !
 end-policy-map
!
policy-map vlan12
 class class-default
  service-policy child
  shape average 100 mbps
!

In the child policy I added:

policy-map child
 class MGMT
  priority level 1
 !
 class class-default
 !
 end-policy-map
!

Added the parent QOS to the physical interface:
interface TenGigE0/1/0/5
service-policy output shared-2gbps

And I was able to add the policy to only one subinterface:
interface TenGigE0/1/0/5.10
 service-policy output vlan10 shared-policy-instance shared-2gbps

On applying to the second interface I got the error.
interface TenGigE0/1/0/5.11
 service-policy output vlan11 shared-policy-instance shared-2gbps

Thanks.

Regards,
Alex


Le 10/5/15, 14:13, « Brian Turnbow » <b.turnbow at twt.it> a écrit :

> Hi  Alex,
> 
> on the 9k you can check out shared policy instance for this.
> " Using SPI, a single instance of qos policy can be shared across multiple
> subinterfaces, allowing for aggregate shaping of the subinterfaces to one
> rate. All of the subinterfaces that share the instance of a QoS policy must
> belong to the same physical interface. The number of subinterfaces sharing the
> QoS policy instance can range from 2 to the maximum number of subinterfaces on
> the port."
> 
> So you can have a 2G shared policy and single subinterface policies like this
> 
> service-policy output customerlimit shared-policy-instance interfacelimit
> 
> 
> Brian
> 
> 
> 
>>  -----Original Message-----
>>  From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
>>  Alex william
>>  Sent: lunedì 5 ottobre 2015 08:04
>>  To: cisco-nsp at puck.nether.net
>>  Subject: [c-nsp] QOS on ASR9K
>>  
>>  Hello,
>>  
>>  I have a physical interface of 10G with several subinterfaces. I want to add
>> a
>>  QoS limiting the bandwidth of each subinterface.
>>  
>>  My need are:
>>  The physical interface has a bandwidth of 2Gbps. I have a total 12
>>  subinterfaces, 6 subinterfaces should be limited to 200Mbps each, 5 should
>> be
>>  limited to 100Mbps, And the last one should be limited 300Mbps. In case of
>>  saturation, each subinterface should allow management IP with highest
>>  priority.
>>  
>>  I tried the following configuration:
>>  
>>  Classes to match each vlan:
>>  class-map match-any vlan10
>>   match vlan 10
>>   end-class-map
>>  class-map match-any vlan11
>>   match vlan 11
>>   end-class-map
>>  class-map match-any vlan12
>>   match vlan 12
>>   end-class-map
>>  
>>  A grand parent policy map of 2Gbps:
>>  policy-map QoS-2Gbps
>>  class class-default
>>  shape average 2Gbps
>>  service-policy parent
>>  
>>  The parent policy:
>>  policy-map parent
>>  class vlan10
>>  service-policy child
>>  shape average  200Mbps
>>  
>>  The child policy:
>>  Policy-map child
>>  Class Mgmt
>>  Priority level 1
>>  
>>  Class class-default
>>  
>>  I added the grand parent policy to the interface in output direction. But
>> traffic
>>  is matching only class-default. When I checked, the match vlan only works in
>>  ingress traffic and I want to limit only egress traffic.
>>  
>>  I tried a different approach by creating a parent QoS of 200Mbps, 100Mbps
>>  and 300Mbps and added it to each subinterface but I am limited to only 8
>>  queues ID so am being able to apply it only to 2 subinterface.
>>  
>>  The router is an ASR9K, with low-lined 10Gbps card and IOS version: 4.2.1
>>  
>>  Can someone help please?
>>  
>>  Regards,
>>  Alex
>>  
>>  
>>  _______________________________________________
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> 
>