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FrameRelay Legacy Traffic shaping to MQC

omarmontes
Level 1
Level 1

Hi guys.. im trying to translate the following legacy configuration to MQC, but im having trouble to do so:

interface Serial0
ip address x x x
ip flow ingress
encapsulation frame-relay IETF
no fair-queue                               *Command not supported*
frame-relay traffic-shaping          *Command not supported*
frame-relay interface-dlci 16
class FR
frame-relay lmi-type cisco
max-reserved-bandwidth 100     *Command not supported*

map-class frame-relay FR
frame-relay cir 384000
frame-relay bc 4608
frame-relay be 0
frame-relay mincir 384000

I know the configuration should look something like this:

policy-map XXXX
class class-default
shape average ????
shape adaptive ????

And then apply that policy-map to the serial interface. But I dont know what values should i use or if the "no fair-queue" command is neccesary.

Thanks in advance!!

Omar M.

1 Reply 1

Joseph W. Doherty
Hall of Fame
Hall of Fame

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Posting

Since your minCIR is the same as CIR, I assume you're not trying to dynamically traffic shape, so you can just use the "average" form of the shape command, e.g.:

policy-map XXXX
class class-default
shape average <CIR in bps> (optionally <Bc in bits>)

For class-default, with CBWFQ, you'll need to explicitly enable FQ if you want it, otherwise its FIFO (although on some IOS versions, I suspect the shaper does FQ by default).  Unlike FR shaping, you can also have an optional child policy to define how you want congestion processed.

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