This is why safe config exists;   if you make a change that causes the device to lose contact with Dashboard (so you can't fix it yourself), the device will choose to revert to the stored safe config, in the hope of restoring Dashboard connectivity. ... View more

The solution for this problem with the MAC-addresses was so set this commands on the Cisco Catalyst ports (with IP-phones with inbuilt switch and other unmanaged switches connected to Cisco Catalyst switches):   switchport port-security aging time 2 switchport port-security aging type inactivity   So, the switch forgets the MAC addresses on this port after 2 minutes. Then you can plug the devices to another place and it works. Since then I didn´t had this problem, and I don´t know if Meraki MS switches handels this otherwise, because for them I don´t have an "forget MAC addresses" command. ... View more

What was the solution to this issue? ... View more

It seems to still be working for me, or has the fix been rolled out already? ... View more

Can you show the trunk config of 9500 Trunk config of meraki trunk port Management config of the switch   By no native vlan you mean you are using native vlan 1?  ... View more

Why not use MSTP in the Cisco Catalyst environment (instead of PVST/RPVST)? That is compatible with the Meraki switches (which only run STP/RSTP). ... View more