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Solved
Cisco 1600 Frame-Relay Traffic shaping Inactive
Posted on 2004-08-02
Greetings all. I have a Cisco 1600 router oand im trying to get it to activate traffic shaping. My Cisco 2600s are active but the 1600s are unable. a show pvc gives me this
PVC Statistics for interface Serial0 (Frame Relay DTE)
DLCI = 46, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0.1
input pkts 296736 output pkts 280416 in bytes 271200909
out bytes 50347136 dropped pkts 0 in FECN pkts 291
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out bcast pkts 4034 out bcast bytes 1452226
Shaping adapts to BECN
pvc create time 2d20h, last time pvc status changed 00:12:15
cir 128000 bc 16000 be 0 byte limit 2000 interval 125
mincir 64000 byte increment 2000 Adaptive Shaping BECN
pkts 280412 bytes 50345916 pkts delayed 1812 bytes delayed 1296005
shaping inactive
traffic shaping drops 0
Queueing strategy: fifo
Output queue 0/40, 0 drop, 1812 dequeued
Here is my show run for the serial interface
interface Serial0
no ip address
encapsulation frame-relay IETF
no ip mroute-cache
no fair-queue
frame-relay traffic-shaping
frame-relay lmi-type ansi
interface Serial0.1 point-to-point
description 128Kbps Link
ip address x.x.x.x y.y.y.y
no ip mroute-cache
frame-relay class cir128kbps
frame-relay interface-dlci 46
map-class frame-relay cir128kbps
frame-relay cir 128000
frame-relay bc 16000
frame-relay be 0
frame-relay adaptive-shaping becn
Is there something im not doing? thanks
PVC Statistics for interface Serial0 (Frame Relay DTE)
DLCI = 46, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0.1
input pkts 296736 output pkts 280416 in bytes 271200909
out bytes 50347136 dropped pkts 0 in FECN pkts 291
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out bcast pkts 4034 out bcast bytes 1452226
Shaping adapts to BECN
pvc create time 2d20h, last time pvc status changed 00:12:15
cir 128000 bc 16000 be 0 byte limit 2000 interval 125
mincir 64000 byte increment 2000 Adaptive Shaping BECN
pkts 280412 bytes 50345916 pkts delayed 1812 bytes delayed 1296005
shaping inactive
traffic shaping drops 0
Queueing strategy: fifo
Output queue 0/40, 0 drop, 1812 dequeued
Here is my show run for the serial interface
interface Serial0
no ip address
encapsulation frame-relay IETF
no ip mroute-cache
no fair-queue
frame-relay traffic-shaping
frame-relay lmi-type ansi
interface Serial0.1 point-to-point
description 128Kbps Link
ip address x.x.x.x y.y.y.y
no ip mroute-cache
frame-relay class cir128kbps
frame-relay interface-dlci 46
map-class frame-relay cir128kbps
frame-relay cir 128000
frame-relay bc 16000
frame-relay be 0
frame-relay adaptive-shaping becn
Is there something im not doing? thanks
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5 Comments
Why do you think that this is not working? If the command shaping inactive is leading you to this conclusion then bare in mind that this will change in real time to active when:
1. BECNs are received and DLCI has been configured to shape to BECNs.
2. The number of data bytes to transmit out of an interface are more than the available credit (byte limit) in a given interval (Tc).
Since there have been no BECNs recieved the traffic shaping is inactive, i.e. the traffic is not currently being shaped, even though it can be if the network thresholds are exceeded
1. BECNs are received and DLCI has been configured to shape to BECNs.
2. The number of data bytes to transmit out of an interface are more than the available credit (byte limit) in a given interval (Tc).
Since there have been no BECNs recieved the traffic shaping is inactive, i.e. the traffic is not currently being shaped, even though it can be if the network thresholds are exceeded
thank you fatlad. so all is well i guess because an MRTG graph does reveal that traffic isnt being exceeded. Let me attempt a burst il let you know
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