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Qos Problem

atiye.bigdeli
Level 1
Level 1

Hi friends;

 

I have a problem with configuring Qos in my edge router.

the edge router is 3845 and when I config a shape command in the outside physical interface, the cpu usage receive up to 99%, but my traffic is less than 70 Mbps. without Qos config the cpu usage is 10%.

what is the problem?

my config:

 

policy-map ALL
class class-default
shape average 70000000

 

int fa 0/1

service-policy out ALL

 

Best regards

 

2 Replies 2

Dennis Mink
VIP Alumni
VIP Alumni

not enough info to go on, but sounds some what buggy.

 

are you running the lastest IOS on that model? also can you post your full QoS confi, including class maps and Accesslists?

 

cheers

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Hi  Dennis

thank you for your reply

the ios is the recommended ios

------------------

sho ver
Cisco IOS Software, 3800 Software (C3845-ADVENTERPRISEK9-M), Version 15.1(4)M12a, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport

----------------------

the configuration:

class-map match-any MGMT
match protocol telnet
match protocol ssh
match protocol ospf
class-map match-all Med
match access-group name Med
class-map match-all IMP
match access-group name IMP

 

-----

policy-map Child
class IMP
bandwidth percent 60
class Med
bandwidth percent 30
class MGMT
bandwidth percent 5
class class-default
fair-queue

-----------------
policy-map 256
class class-default
shape average 256000
service-policy Child

 

policy-map 128
class class-default
shape average 128000
service-policy Child


policy-map ALL
class class-default
shape average 70000000

 

that is the config for qos over dmvpn. as i understand i should apply the "policy-map ALL" to the physical interface to the qos over dmvpn