3750 - mls qos queue-set output threshold

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Apr 11th, 2008
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In the IOS command, http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_44_se/command/reference/cli1.html#wp2144505. The drop-threshold1 and 2 is in the range from 1 3200%. Can somebody elaborate on the 3200%. How do they determine that number and what that number means to my threshold? Thanks

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bwilmoth Thu, 04/17/2008 - 08:54
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The drop threshold should be lower than the shutdown threshold (if configured) and should be based on the maximum

amount of PDUs you expect to receive on a port and on the CPU utilization during peaks hours. These values usually determine what is a normal peak condition and therefore what could be an abnormal peak condition. Then you can set the threshold between the two to avoid excessive spikes of PDUs on a port

jacquesnguyen Thu, 04/17/2008 - 09:03
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Is the shutdown threshold part of the egress queue-set? In the queue-set command, I only see threshold1 and 2, reserved, and maximum. Is the shutdown threshold the maximum threshold? Thx

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