05-13-2018 09:46 AM - edited 03-05-2019 10:26 AM
Hello Team,
For Management Purpose we have dedicated connectivity with 500 kbps BW.
piad806#sh run int g0/0/1.100
Building configuration...
Current configuration : 298 bytes
!
interface GigabitEthernet0/0/1.100
description --- To biad915 - TE2/1/0.100 - IP BW 500
bandwidth 500
encapsulation dot1Q 100
ip vrf forwarding xxx-remote-mgmt
ip address X.X.X.X 255.255.255.252
service-policy input COUNT-IN
service-policy output SILVER-OUT-SHAPED-Gi0/0/1.100
end
piad806#sh run policy-map SILVER-OUT-SHAPED-Gi0/0/1.100
Building configuration...
Current configuration : 192 bytes
!
policy-map SILVER-OUT-SHAPED-Gi0/0/1.100
class class-default
shape average 464000
police 16000 8000 8000 conform-action set-prec-transmit 2 exceed-action set-prec-transmit 2
!
end
As per my understanding if this interface is getting more that specified traffic means it should keep them in queue and later it need to process them, but the excess traffic is getting dropped.
Can anyone explain me why its happening like this, and also what is offered rate, drop rate. is this applicable for traffic before processing by policy-map or after processing.
piad806#sh policy-map interface g0/0/1.100 output
GigabitEthernet0/0/1.100
Service-policy output: SILVER-OUT-SHAPED-Gi0/0/1.100
Class-map: class-default (match-any)
8010003 packets, 5806869365 bytes
30 second offered rate 1087000 bps, drop rate 623000 bps
Match: any
Queueing
queue limit 64 packets
(queue depth/total drops/no-buffer drops) 61/4799500/0
(pkts output/bytes output) 3211728/2223284892
shape (average) cir 464000, bc 1856, be 1856
target shape rate 464000
police:
cir 16000 bps, bc 8000 bytes, be 8000 bytes
conformed 169194 packets, 75983637 bytes; actions:
set-prec-transmit 2
exceeded 166 packets, 100028 bytes; actions:
set-prec-transmit 2
violated 7841868 packets, 5731659850 bytes; actions:
set-prec-transmit 2
conformed 15000 bps, exceeded 0000 bps, violated 1071000 bps
piad806#
Regards,
Dhanamjay.
05-13-2018 11:22 AM
Hello,
your shaping and policing rates look extremely low:
shape average 464000 --> this equals about .5 Mbit
police 16000 --> this is .16 Mbit
05-13-2018 10:42 PM
05-13-2018 11:57 PM
Hello,
I am not sure what happens when you use a shaper and a policer in the same policy. You might want to try a policy with just one or the other:
policy-map SILVER-OUT-SHAPED-Gi0/0/1.100
class class-default
shape average 464000
or
policy-map SILVER-OUT-SHAPED-Gi0/0/1.100
class class-default
police 16000 8000 8000 conform-action set-prec-transmit 2 exceed-action set-prec-transmit 2
Also, in the policer, try and add the 'violate-action', as this changes the token bucket from a one to a two system bucket...
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