Auto Channel dynamically adjusts the channels of the client-serving radios to avoid RF interference (both 802.11 and non-802.11) and develops a channel plan for the wireless network.  Auto Channel is a good fit for most wireless networks, providing a baseline channel configuration that can then be adjusted manually if needed.  https://documentation.meraki.com/MR/Monitoring_and_Reporting/Location_Analytics/Meraki_Auto_RF%3A__Wi-Fi_Channel_and_Power_Management ... View more

  You can go to Wireless > Configure > Radio Settings and select the RF profile (tab) and select UPDATE AUTO CHANNELS to refresh the channels.  In my experience that has fixed close proximity AP overlap issues.  ... View more

Depending on how your setup is configured as mentioned by @ww, the VPN Concentrator Deployment Guide might help you with your setup/configuration. https://documentation.meraki.com/MX/Deployment_Guides/VPN_Concentrator_Deployment_Guide#Deploying_a_one-armed_concentrator ... View more

I am not familiar with this NIC but it might be worth checking the MTU size? ... View more

Have you tried a different SFP+ module? ... View more

What firmware are the MS125s running? ... View more

@RaphaelL I like your suggestions and agree it would make it easier (agree)! ... View more

It appears in the example above that the cable length grew .75m when the device was powered on. 😆 ... View more

Possibly so - another location to reference is HELP > Firewall Info which shows UDP 123. ... View more

The Upstream Firewall Rules for Cloud Connectivity references NTP resolution as follows:  https://documentation.meraki.com/General_Administration/Other_Topics/Upstream_Firewall_Rules_for_Cloud_Connectivity ... View more

No, not logging in via SSO.  I waited around 5 min and eventually got back into the dashboard.  Weird. ... View more

Have you tried to connect either the Korenix or Meraki via fiber with another device that you know works or is working?  Perhaps trying different SFP modules or patch cable (OM2 or OM3) to rule out what isn't working with something that IS working.   ... View more

You should be able to select "All clients with a policy" that would give you the ability to see whitelisted devices.   ... View more

👍welcome! ... View more

@RogerMurdock Yes - I (too) had a similar experience and discovered it boiled down to the way T-Mobile sets up services/devices.  The work around that I took was to "ask" for their home cellular gateway appliance and unlimited service.  Once I established the T-Life mobile app requiring me to confirm the 6-digit passcode to the home cellular device and service worked on their hardware...I turned off the device and pulled the SIM card.  Their home cellular gateway was at NO additional charge.  The SIM was put into the MG51 and works as planned - you might have to add your MG IMEI to the plan for the device to work. Probably not the most ideal way to proceed but it got me over the hump per se with establishing T-Mobile service since I wasn't a T-Mobile customer prior to receiving the MG51. ... View more

@GIdenJoe thanks for the feedback.  As I mentioned, OM4 remain in place for future hardware upgrades.  Always appreciate the dialogue and expert feedback within the Meraki Community. ... View more

OM4 offers up to 40% higher bandwidth, enhanced stability and reliability.  In this upgrade, distance isn't quite a factor as there will be 9 multimode OM4 fiber patch cables replacing the existing OM3 patch cables all under 5 meters in length.  All SFP+ or SFP modules remain the same.  Just looking to maximize throughput and low latency.  OM4 will remain in place for future hardware upgrades.  Will it make any or enough difference going from OM3 to OM4?  We shall see.  OM4 price to upgrade was quite reasonable.   Thanks for everyone's feedback. ... View more