Hi, I'm using already some of C9300 in the Meraki Dashboard with the CS firmware without problem. I have tried to install one C9300L in the LAB with the IOS-XE 17.15.5 firmware in the Meraki dashboard, and when I enable the L3 I have a completely different experience than CS. the switch creates a VLAN for the management interface with a gateway, and this is the default route (0.0.0.0/0 to the GW). At that point the VLAN for the management can reach internet but cannot reach all the other VLANs created on the switch; And the other VLAN has not access on internet. I cannot create another route 0.0.0.0 because the switch said: we already have on static route like that (I have opened a ticket with Cisco and they said, in one of the next releases we can have this possibilities). It seems, but is just my idea, the ACL in place for Cisco DNA still there, and when the switch is claimed in Meraki adding also the Meraki configuration and the old Cisco ACL block the traffic between the VLANs. I have not any configuration in Meraki, I can change from CLI, but the configuration is cloud based and probably the switch can't keep the cli changes. Have you had similar experience? and how you have solved (in Meraki)?
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