Sunday, May 4, 2025

Cisco ASR1K Policing QoS Configuration

Here's a Cisco link which compares the QoS strategies that can be applied in a Cisco router. The legacy ISR command rate-limit is no longer supported in the Cisco ASR1K IOS-XE. This link talks about the Policing QoS configuration in a Cisco ASR1K router which replaces the rate-limit command.

 
ASR1K(config)#interface GigabitEthernet0/0/0.123
ASR1K(config-subif)# rate-limit output 256000 24000 24000 conform-action transmit exceed-action drop
                                      ^
% Invalid input detected at '^' marker.


ASR1K(config)#policy-map 256K-RATE-LIMIT
ASR1K(config-pmap)# class class-default
ASR1K(config-pmap-c)#police cir 256000 bc 20000 be 21000
ASR1K(config-pmap-c-police)#conform-action transmit
ASR1K(config-pmap-c-police)#exceed-action drop
ASR1K(config-pmap-c-police)#violate-action drop
ASR1K(config-pmap-c-police)#interface GigabitEthernet0/0/0.123
ASR1K(config-subif)# service-policy input 256K-RATE-LIMIT
ASR1K(config-subif)# service-policy output 256K-RATE-LIMIT

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