Thursday, October 15, 2020

WAN QoS - Prioritising VOIP

Customer has a 20mbps leased line, they keep maxing it out but don't want to upgrade.

VOIP is suffering.

I've created a QoS policy to apply on the outside interface to try give VOIP priority and restrict everything else.

5mbps for VOIP with priority

15 mbps for everything else

(Note: priority is in kilobits and police rate is in bits)

class-map match-any VOIP

match protocol rtp audio

!

policy-map VOIP

class VOIP

priority 5120

class class-default

police rate 15728500 conform-action set-dscp-transmit af12

Do you think this would be the best way to go about prioritising VOIP or is there a better way?



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