for Cisco Catalyst 9200 Series Switches
Improvements
- Bonjour Apple AirDrop Service
Introduces a new service definition apple air-drop.
- Flexible Netflow Record for SGACL Permit and Deny Actions
A new collect parameter for flexible netflow is introduced. Use the collect policy firewall event command to enable collection of information on traffic that is denied or permitted by SGACL.
- IPv6 Neighbor Discovery Proxy
IPv6 Neighbor Discovery (ND) Proxy facilitates communication between two different hosts that are restricted from communicating directly with each other. IPv6 Routing Proxy and IPv6 DAD Proxy variations of IPv6 ND Proxy are introduced.
- Management Traffic Control
Management traffic control allows traffic to enter through a user-defined physical interface and restricts traffic to any other interface that is not defined by the user.
- Modified License Level for Unicast mDNS
Unicast mDNS is now supported with DNA Advantage license.
- Programmability:
YANG Data Models
The following programmability feature is introduced in this release:
YANG Data Models: For the list of Cisco IOS XE YANG models available with this release, navigate to: https://github.com/YangModels/yang/tree/master/vendor/cisco/xe/17131.
- Removal of Service Types from the Default Service List
Multifunction-printer and home sharing service types are removed from the default service list.
- request tech-support command
The request tech-support command was introduced. It generates an archive consisting of the tech support file and the system report.
- Support for BGP on Cisco Catalyst 9200CX Series Switches
Introduces support for Border Gateway Protocol (BGP) on Cisco Catalyst 9200CX Series Switches.
- VLAN RADIUS Attributes in Access Requests
Enhances security for access switches with the use of VLAN RADIUS attributes - VLAN name and ID in access requests.
Bug fixes
CSCwe65441 - Non PoE 9200/9200L Devices with ARTXXX pwr supply present in SlotA don't boot aftr switch pwr cycle
CSCwe89814 - Unexpected reboot due to FED process heldown with Netflow
CSCwe91069 - Unexpected reload upon removing netflow commands.
CSCwf58609 - Crash due to stack overflown on cat9200L
CSCwf68913 - C9000 : Interface link flapping(down/up) occurs at Active Switch after switchover
CSCwf73002 - Unable to remove port security configs under interface via netconf
CSCwf78065 - cat9200: CTS PAC download must fail when FIPS is enabled.
CSCwh29961 - show stacks: Information of Last System Crash:%Error opening crashinfo:crashinfo_RP_00_00
Open problems
CSCwh00528 - i2c i2c-6: SCL is stuck low, exit recovery messages followed by error disable for 10G-SFP during OIR
CSCwh35728 - Need switch to host macsec support in Sda overlay network
Important notes
- SISF-Based Device Tracking: Deprecation of the udp keyword
The udp keyword, which was available as one of the options with the protocol keyword in the device-tracking configuration mode, was deprecated. There is no replacement keyword.

