A new stable switchCatalyst firmware version is available. Firmware CS 16.9 was just released on 2024-09-16 and has been in this firmware category since 2024-09-16.
This version's IOS image is based on 17.9.3 CCO. Upgrades to this version will result in a full system reload
New feature highlights
Supports compatibility with recent hardware updates
802.1X Control Direction
Adaptive Policy ACL hit counter live tool
Named VLAN
Support for 15 additional C9300-M SKUs
Support for MAC Allow list on access ports (currently in early access)
Fixed issues
C9300-NM-2Y compatibility issue resolved
General known issues
DHCP server information is incorrectly reported, such as the subnet mask and "Last Seen" fields (always present)
In rare instances, a full system restart may occur when the management plane restarts due to an upgrade, failover event, or unexpected restart (present since CS 15)
MS390 stack configuration may experience high memory consumption and as a result could lead to authentication failures. Reloading the active switch clears the issue temporarily.
MS390 stacks may fail to apply new configurations fetched from the network. This results from an issue with the NETCONF application, leading the system to revert to the previously stored configuration.
Meraki native switches move LACP ports to an active forwarding state if configured. This can cause loops when connecting to an MS390 or other Catalyst switch unless the bundles are configured on the Catalyst side first. All Meraki native ports are configured in passive LACP mode so that loops do not occur between Meraki native switches (always present)
Polycom phones are unable to access the network when leveraging LLDP
Switches may fail to fully initialize after initial onboarding and migration. Devices encountering this will require an RMA (always present)
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