Alerts
- MS390 stacks of 4 or more may experience instability on this release. For stacks of 4 or more please stay on the current general release to ensure stability and functionality.
- MS390 upgrades from MS 14.8 or earlier will trigger a full system reload
- MS390 client authentication may fail closed if RADIUS server passes unsupported AVPs
- Auth session state on RADIUS server may be stale following an MS390 CoA update until RADIUS Accounting is supported
- MS210/225/250 switches cannot forward IPv6 Router Advertisement and Neighbor Solicitation packets when flood unknown multicast is disabled (has always been true)
Bug fixes
- Non-MS390 switch stacks using Dynamic ARP Inspection can block ARP packets which should actually be permitted
- MS390 access policies on switch ports may not be applied to interfaces after a reboot
- QoS rules on MS390 using 'Protocol = Any' do not alter traffic priority
- Deleting QoS rules in bulk on MS390 switches can result in future rules not getting applied
Known issues
- MS425 stacks directly exposed to large L2 domains can experience stability reduction
- MS390 stack members may not report client-level detail
- MS390 series switches Max MTU is limited to 9198 bytes
- MS390 series switches will not display packet details in the DHCP Servers page
- MS390 series switches do not support the 'next-server' or 'bootfile' parameters in DHCP messages
- Rebooting a single switch in an MS390 stack will reboot the entire stack
- LLDP frames from MS390 series switches will use a single system name instead of the Dashboard given name
- MS390 series switches will not display the advertising router ID for OSPF
- MS390 series switches with OSPF enabled will default to an IP MTU of 1500 bytes on every OSPF enabled interface
- MS390 series switches do not support the multicast routing livetool
- MS390 series switches do not support tagged traffic bypass for voice on ports with a Multi-Auth access policy
- Dynamic VLAN assignment from a RADIUS server on MS390 series switches must already be an allowed VLAN on the port for it to function
- MS390 series switches do not currently support the following features: VRRP, SM Sentry, Syslog server, SNMP, Traceroute, IPv6 connectivity to dashboard, Meraki Auth, URL Redirection, MAC Whitelisting, RADIUS Accounting, Loop Detection, UDLD, MAC Flap Detection
- SM Sentry does not support Windows based clients (predates MS 10.x)
- MS425 series switches do not forward frames larger than 9416 bytes (predates MS 10.x)
- MS350-24X and MS355 series switches do not negotiate UPoE over LLDP correctly (predates MS 10.x)
Other
- Various performance and stability improvements
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