OK I have read everything possible on LAN QOS and here is what i am trying to understand
if i am asked following 1. to put a certain cos value say 4 in the priority queue in one question and then in another question i am asked 2. to guarantee queue 1 for for 20% of the traffic and the remaining queues share the rest of the bandwidth 40 30 40 should i enable priority-queue out under the interface or not??? >From what i understand queue 1 is the default priority queue for expedite services but only if configured with priority-queue out under the interface. It is not just automatically considered the priority queue like many people think it is. also if priority-queue is configured under the interface it can actually starve all of the other traffic and overwrites in values applied to queue 1. So it would not be possible to shape traffic or guarantee it at 20% based on this if my understanding is correct, i do not believe it is possible to put cos 4 in the priority queue and at the same time guarantee 20% for queue 1. If this is case how would it be possible to come up with a correct answer to this?
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