QOS Bandwidth Percent on routers

QOS apply on WAN Link.


Bandwidth Parentage applies if you required minimum bandwidth for particular application. If the application required more bandwidth, that will consumed from fair queue.

In this example the three bandwidth percentage apply in Policy.



class-map match-all EX-App

match access-group 118

class-map match-all Video

match access-group 102

class-map match-all LX-App

match access-group 121

!

!

policy-map policy1

class EX-App

bandwidth percent 45

class LX-App

bandwidth percent 20

class Video

bandwidth percent 7

class class-default

fair-queue




interface GigabitEthernet0/0
description *** Wan link 30 Mbps ***
bandwidth 30720
ip address 172.34.99.211 255.255.255.252
load-interval 30
Service-policy output policy1


VIDEO ACL

access-list 102 permit tcp any any range 3230 3235

access-list 102 permit udp any any range 3230 3235

access-list 102 permit tcp any any eq 1503

access-list 102 permit tcp any any eq 1731

access-list 102 permit tcp any any eq 3603

access-list 102 permit ip any any dscp cs1

access-list 102 permit ip any any dscp af13

access-list 102 permit ip any any dscp cs4

access-list 102 permit ip any any dscp af41

access-list 102 permit tcp any any range 1718 1720

access-list 102 permit udp any any range 1718 1720

access-list 102 permit tcp any any range 2253 2263

access-list 102 permit udp any any range 2253 2263

access-list 102 permit tcp any any range 49152 49159

access-list 102 permit udp any any range 49152 49159

access-list 102 permit ip any host 172.34.0.X
access-list 102 permit ip any host 172.32.36.X


APPLICATION ACL


access-list 118 permit ip host 172.34.0.X any

access-list 118 permit ip host 172.35.0.X any

access-list 118 permit ip host 172.34.0.X any

access-list 118 permit ip host 172.36.0.X any

access-list 118 permit ip host 172.34.0.X any

access-list 118 permit ip host 172.45.0.X any

access-list 118 permit ip host 172.23.0.X any

access-list 118 permit ip host 172.34.0.X any

access-list 121 permit ip host 172.54.0.X any

access-list 121 permit ip host 172.45.0.X any

access-list 121 permit ip host 172.45.0.X any

access-list 121 permit ip host 172.45.0.X any