INE WB Vol1 - 10.3 Legacy RTP Reserved Queue

Rack1R4(config-if)#max-reserved-bandwidth 75
Rack1R4(config-if)#do sh run int s0/1/0 | incl max-res
Rack1R4(config-if)#max-reserved-bandwidth 76
Rack1R4(config-if)#do sh run int s0/1/0 | incl max-res
max-reserved-bandwidth 76
Rack1R4(config-if)#max-reserved-bandwidth 75
Reservable bandwidth is being reduced.
Some existing reservations may be terminated.
Rack1R4(config-if)#do sh run int s0/1/0 | incl max-res
Rack1R4(config-if)#

Max reservable bandwidth is 75, if you need to reserve 100% for QoS you need to configure max-reserved-bandwidth 100