QOS - FRTS fair queue

By default the queue will be FIFO or fcfs (first come first served). This can be seen by executing the show traffic-shape queue command.

Router_3#show traffic-shape queue
Traffic queued in shaping queue on Serial2/0 dlci 305
Queueing strategy: fcfs

Effectively this queueing mechanism is a 'per interface' queue. Per-VC WFQ can be enabled using the frame-relay fair-queue command.

map-class frame-relay DLCI_305
frame-relay cir 384000
frame-relay bc 3840
frame-relay be 0
frame-relay mincir 256000
frame-relay adaptive-shaping becn
frame-relay adaptive-shaping interface-congestion
frame-relay fair-queue 16 32 0 512

The change can be verified using the show traffic-shape queue command

Router_3#show traffic-shape queue
Traffic queued in shaping queue on Serial2/0 dlci 305
Queueing strategy: weighted fair
Queueing Stats: 0/512/16/0 (size/max total/threshold/drops)
Conversations 0/0/32 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 256 kilobits/sec