Hello all,
I read the White Paper, Enterprise QoS Solution Reference Network Design, and I understand the concept of classifying, marking, policing, and scheduling. However, I am still have a few questions:
1. Based on the my policy-map sample below, if you add the bandwidth percentage together, only 80% of the bandwidth will be used for scheduling. What will happen to the left-over 20% of the bandwidth? Does it mean that no traffic will be using the 20% and I am wasting the bandwidth?
policy-map wan-edge
class marked-voice
priority percent 25 200000
class marked-video
bandwidth percent 10
class marked-callsig
bandwidth percent 5
class marked-critical-data
bandwidth percent 20
class marked-network-control
bandwidth percent 5
class marked-bulk-data
bandwidth percent 4
class marked-scavenger
bandwidth percent 1
class class-default
bandwidth percent 10
2. In the white paper, Cisco talked about QoS for voice, video, and data. What if I only have critical data to prioritize? Can I have only critical data class (35% of total bandwidth) and default class (65% of total bandwidth)?
3. If I enable QoS with the scheduling in question 1 and my only traffic at that moment is the default class traffic. Will QoS allows me to use more than 10% of the bandwidth (up to 65% as the traffic cannot use the 20% of the priority bandwidth?
Thanks
NetDoc01
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