QOS Default-Class

jsmcniel88 · ‎11-14-2012

We are trying to limit the DFS replications and downloads to 30% of total bandwidth. I have setup the below QoS but for some reason the default-class policy take pryority and allows the DFS replications to consume up the the shape average of the default-class policy.

When i remove the shape avaerage from the default-class the DFS is trimmed back to the alloted 30%. As soon as the shape average is placed back on the default-class it allows it to go back up to 45.

Is there something I am missing in my policy?

access-list 105 permit ip host 10.144.241.231 any

access-list 105 permit ip any host 10.144.241.231

access-list 105 remark DFS-LIMIT

class-map match-all DFS-LIMIT-IN

match access-group 105

class-map match-any VOICE-CALL-CONTROL

match ip dscp af31

match ip dscp cs3

class-map match-any DFS-LIMIT

match access-group 105

class-map match-any VOICE

match ip dscp ef

match ip dscp cs5

class-map match-any ROUTING

match ip dscp cs6

policy-map WAN-EDGE

class VOICE

priority 800

class VOICE-CALL-CONTROL

bandwidth percent 1

class ROUTING

bandwidth percent 1

class DFS-LIMIT

shape average percent 30

class class-default

fair-queue

random-detect dscp-based

policy-map PARENT

class class-default

shape average 45000000 3000000 1000

service-policy WAN-EDGE

policy-map PARENT-IN

class DFS-LIMIT-IN

police cir percent 25

interface GigabitEthernet0/1.94

description AVPN 50MB/45MBCommit

bandwidth 409600

encapsulation dot1Q 94

ip address 10.144.250.49 255.255.255.252

ip accounting output-packets

service-policy input PARENT-IN

service-policy output PARENT

end

John Blakley · ‎11-14-2012

It looks like one of your class maps that reference your acl is set to "match-all" which is the default. You should remove this from your policy-map PARENT-IN and remove the class-map. Recreate it with "class-map match-any DFS-LIMIT-IN" and match on your same acl.

HTH,

John

HTH, John *** Please rate all useful posts ***

jsmcniel88 · ‎11-14-2012

I will give that a try for the input. I should have mentioned that the Output on the interface is where i am seeing the 45 meg happen.

Does the output policy look correct?

John Blakley · ‎11-14-2012

It does look correct. Have you tried to remove the burst from the parent class-default? Try removing that and do just "shape average 45000000" and see what you get. When you do your test, can you post "show policy-map interface"?

HTH,

John

HTH, John *** Please rate all useful posts ***

jsmcniel88 · ‎11-15-2012

Implemented the suggested changes but still no luck:

show policy-map int gi 0/1.94

GigabitEthernet0/1.94

Service-policy input: PARENT-IN

Class-map: DFS-LIMIT-IN (match-any)

1852586432 packets, 1089778262041 bytes

5 minute offered rate 1104000 bps, drop rate 46000 bps

Match: access-group 105

police:

cir 25 %

cir 12800000 bps, bc 400000 bytes

conformed 1682579435 packets, 874263917595 bytes; actions:

transmit

exceeded 162517555 packets, 214979009983 bytes; actions:

drop

conformed 1428000 bps, exceed 31000 bps

Class-map: class-default (match-any)

955282109 packets, 795440521315 bytes

5 minute offered rate 11040000 bps, drop rate 0 bps

Match: any

Service-policy output: PARENT

Class-map: class-default (match-any)

2077522094 packets, 1919295120644 bytes

5 minute offered rate 11744000 bps, drop rate 129000 bps

Match: any

Traffic Shaping

Target/Average Byte Sustain Excess Interval Increment

Rate Limit bits/int bits/int (ms) (bytes)

45000000/45000000 281250 1125000 1125000 25 140625

Adapt Queue Packets Bytes Packets Bytes Shaping

Active Depth Delayed Delayed Active

- 0 126215906 97741110 83351115 3541435327 yes

Service-policy : WAN-EDGE

Class-map: VOICE (match-any)

16183 packets, 3526745 bytes

5 minute offered rate 97000 bps, drop rate 0 bps

Match: ip dscp ef (46)

16183 packets, 3526745 bytes

5 minute rate 97000 bps

Match: ip dscp cs5 (40)

0 packets, 0 bytes

5 minute rate 0 bps

Queueing

Strict Priority

Output Queue: Conversation 264

Bandwidth 800 (kbps) Burst 20000 (Bytes)

(pkts matched/bytes matched) 3337/727466

(total drops/bytes drops) 0/0

Class-map: VOICE-CALL-CONTROL (match-any)

3726 packets, 792058 bytes

5 minute offered rate 30000 bps, drop rate 0 bps

Match: ip dscp af31 (26)

0 packets, 0 bytes

5 minute rate 0 bps

Match: ip dscp cs3 (24)

3726 packets, 792058 bytes

5 minute rate 30000 bps

Queueing

Output Queue: Conversation 265

Bandwidth 1 (%)

Bandwidth 450 (kbps)Max Threshold 64 (packets)

(pkts matched/bytes matched) 671/166987

(depth/total drops/no-buffer drops) 0/0/0

Class-map: ROUTING (match-any)

280 packets, 50499 bytes

5 minute offered rate 0 bps, drop rate 0 bps

Match: ip dscp cs6 (48)

280 packets, 50499 bytes

5 minute rate 0 bps

Queueing

Output Queue: Conversation 266

Bandwidth 1 (%)

Bandwidth 450 (kbps)Max Threshold 64 (packets)

(pkts matched/bytes matched) 50/9607

(depth/total drops/no-buffer drops) 0/0/0

Class-map: DFS-LIMIT (match-any)

193183 packets, 282639580 bytes

5 minute offered rate 6596000 bps, drop rate 0 bps

Match: access-group 105

193183 packets, 282639580 bytes

5 minute rate 6596000 bps

Traffic Shaping

Target/Average Byte Sustain Excess Interval Increment

Rate Limit bits/int bits/int (ms) (bytes)

30 (%) 0 (ms) 0 (ms)

13500000/13500000 81000 324000 324000 24 40500

Adapt Queue Packets Bytes Packets Bytes Shaping

Active Depth Delayed Delayed Active

- 0 0 0 0 0 no

Class-map: class-default (match-any)

178602 packets, 36533798 bytes

5 minute offered rate 785000 bps, drop rate 100000 bps

Match: any

Queueing

Flow Based Fair Queueing

Maximum Number of Hashed Queues 256

(total queued/total drops/no-buffer drops) 0/2604/0

Extended IP access list 105

10 permit ip host 10.144.241.231 any (2089518780 matches)

20 permit ip any host 10.144.241.231 (1852722063 matches)