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service-policy output on 4948

tedauction
Level 1
Level 1

Hello, when I tried to apply the following service-policy to a TenGigabit trunk interface on my 4948 switch, I got the following error:

*Jan 15 19:34:27.659: %C4K_QOS_IOS-5-INSUFFICIENT_BW_REMAINING: Policy-map: QUEUES; with insufficient bandwidth for 1 queues not having explicit bandwidth configuration.

Why is this happening? I have used this exact service-policy on other Cisco switch uplinks without issue ?

Is it something specific to do with the 4948 perhaps ?

Thank you kindly.

interface TenGigabitEthernet1/49
description TWBOSTSTK1
switchport trunk native vlan 999
switchport trunk allowed vlan 24,26,27
switchport mode trunk
bandwidth 10000000

service-policy output QUEUES *************FAILS
end

here is the service-policy;

policy-map QUEUES
class Multi-Media
priority
class IA-High
bandwidth remaining percent 15
class IA-Low
bandwidth remaining percent 10
class DataTrans
bandwidth remaining percent 60
class class-default
bandwidth remaining percent 15

1 Accepted Solution

Accepted Solutions

QOS IOS Messages

This section contains the quality of service (QOS) IOS messages.

Error Message    C4K_QOS_IOS-5-INSUFFICIENT_BW_REMAINING: Policy-map: [char]; with 
insufficient bandwidth for  [dec] queues not having explicit bandwidth 
configuration.

Explanation    Each active queue must be allocated at least 32 kbps bandwidth. However, there is not enough bandwidth remaining to allocate new queues corresponding to class of traffic. For example, a class of traffic that has only shape rate.

Recommended Action    While accounting for the interface speed, modify configured bandwidth in the policy map such that in addition to the sum of configured bandwidth across all queuing classes, there is at least 32 kbps bandwidth for every queuing class that does not have bandwidth configured. Then try to re-attach the policy map.

View solution in original post

3 Replies 3

Tausif Gaddi
Level 1
Level 1

Please refer mentioned link
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/12-2/54sg/configuration/guide/config/qos.pdf

QOS IOS Messages

This section contains the quality of service (QOS) IOS messages.

Error Message    C4K_QOS_IOS-5-INSUFFICIENT_BW_REMAINING: Policy-map: [char]; with 
insufficient bandwidth for  [dec] queues not having explicit bandwidth 
configuration.

Explanation    Each active queue must be allocated at least 32 kbps bandwidth. However, there is not enough bandwidth remaining to allocate new queues corresponding to class of traffic. For example, a class of traffic that has only shape rate.

Recommended Action    While accounting for the interface speed, modify configured bandwidth in the policy map such that in addition to the sum of configured bandwidth across all queuing classes, there is at least 32 kbps bandwidth for every queuing class that does not have bandwidth configured. Then try to re-attach the policy map.

Hello Mark, thanks for that. However how do I implement what Cisco says to do in this case as far as actual commands go. I am not sure how to proceed with this.

Thank you kindly.

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