Sure, think it will tell WAN port utilization , that would be good enough but wont tell how much internet bandwidth is being made available by ISP.
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Probably, but remember to read between the lines of the documentation. Note: Please contact Meraki support to modify the MTU size on the WAN link of the MX. The MX does not support Jumbo frames so the MTU cannot be adjusted above 1500. The MTU value on the LAN-side of the MX is also 1500.
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For an enterprise license, you can get info on : Air Marshall events, Flows, URLs, Wireless event log, Switch event log, Appliance event log.Flows would give you more info on source, destination, MAC and protocol.
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Great insights @TheAlchemist! It's always those guys that never stop studying who stand out. I especially loved the quote “The biggest room in the world is the room for improvement.” as I hadn't heard it before.
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I think device utilization in Summary Report is not the same as CPU utilization and as @ww already mentioned, only Support can see CPU utilization and it is not visible on Meraki Dashboard to users. Is there any API call which can provide such info?
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@TheAlchemist I'd echo what @GreenMan said, you really have to test it out. For example in one site the range in a particular direction is no more than 4m as about 1m of that is solid brick. In another site it is over 50m as there is much less in the way. Sometimes even a glass window can totall block the signal, depending on coverings.
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you’ll probably have to go for a one year anyway, read the small print: NOTE: One-day licenses should not be used to extend the overall license expiration date. As there is a limit of how many one-day licenses can be applied, the licenses should be used with the intention to "true-up" different license expiration dates.
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@TheAlchemist you cannot stop any internet traffic hitting your MX from the WAN side unless you use a cloud/ISP proxy or firewall. Anyone in the world can try to send traffic to you. Is your public IP one you have had for a while, or a new one?
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It seems like a device on the wifi is flooding the AP with broadcast traffic. More info can be seen in the air marshal docs https://documentation.meraki.com/MR/Monitoring_and_Reporting/Common_Wireless_Event_Log_Messages#Air_Marshal_Event_Log_Messages Typically flooding will cause problems when buffers are overloaded or specific devices (DHCP servers, gateways etc) are overwhelmed by requests. It's difficult to say exactly whether this would cause a major impact in your environment but I would think most enterprise equipment should be able to deal with 1000 packets in a 10 second interval.
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Yep, it's a challenge with quick filling up diskspace. I've got a colleague that's working with a script to select between flow logs vs flow_start and flow_end logs. Apparently my colleague noticed that the flow_start and flow_end logs which also show NAT information always write to the log even if that specific rule is not set to disable logging. And then in that script you can merge different sources going to the same IP/port with hitcounters. This is useful to start adding more specific firewall rules. Oh well, busy busy 😉
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Organization / Summary Report also shows Usage over time that can be narrowed down to a particular device tag, which could be just the firewall.
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Based on below article in Meraki documentation, I could assign any DSCP value in any Queue and what percentage of bandwidth is assigned to that traffic in that Queue depends on the CoS queue value chosen. i.e. CoS value 5 will have the maximum weightage and most percentage of bandwidth assigned. Then what does it matter if a DSCP value of 31,36 or 41 or any other number is chosen. https://documentation.meraki.com/MS/Other_Topics/MS_Switch_Quality_of_Service_Defined
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