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srr-queue bandwidth share 10 1 1 1
This gives queue 1 priority over everything and ten times more packets serviced than queues 2/3/4
Queue 1 would be everything other than traffic from Gi0/9
You're correct that Q1, with PQ enabled has priority over all the other queues, but I believe Q1 doesn't get 10x the packets serviced, it should get any of its packets serviced first until there are no more. I.e. PQ can starve bandwidth from all other queues.
You realize queuing priorities are difficult to "measure" except when the interface is congested, i.e. while packets are queued in multiple queues all the time. Is this the case?
It appears that any traffic from equipment on GigabitEthernet0/9 even if it is not destined for the Internet (GigabitEthernet0/1) is limiting its LAN speeds.
Once QoS is enabled, and you've mapped g0/9's bandwidth to a specific queue and threshold, it's possible QoS settings (default?) are limiting it's maximum transfer rate. I'm not familiar with the 2970 series, but the 2960/3560/3750 series all often slow traffic, when there's congestion, because their buffer resources often lead to premature packet drops. Are packet drops being registered on Q1 on other interfaces?
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