Enterprise Switching Business Unit is glad to announce Beta release 16.12.3 for all Catalyst 9200/9300/9400/9500/9600. This release is made available to allow users to test, evaluate and share feedback before General Availability (GA). We encourage you to test the Beta code and share your feedback as soon as possible.
Obtaining Pre-Release Software
Please fill-up a simple request access form, you will receive an email with links to download the software.
What’s New in 16.12.3?
16.12.3 is a Maintenance Release code common for all Catalyst 3000 and 9000 platforms and brings in several fixes and improvements. Some of the notable improvements include:
Platform:
- Overall platform stability, improvements and more resilience.
- Improved Buffer Management
- Fixes around on SFP+/GBIC, GLC-T SFP’s
- Memory leak fixes and better Memory and CPU management
- Logging and Serviceability improvements
SDA/DNAC
- SDA: LAN Automation and PnP Improvements
- PnP Provisioning now supports Dual uplinks.
Security:
- Defect fixes around MACSEC, CTS, SGT/SGACL
- Fixes around Autoconf
- Improved logging and serviceability
Note: The software is intended for lab test environments only and not recommended for Production use.
Feedback:
Please submit your valuable inputs on the Feedback form provided below or email us @ ecsg-beta@external.cisco.com.
Resolved Caveats:
| bugid | headline |
| CSCvs35355 | cmcc crash @ cmcc_sensor_register_cb following oir events |
| CSCvp51129 | Traceback seen while removing voice vlan config from a range of ports. |
| CSCvq61644 | IP phone not getting classified, session not created when interface defaulted with autoconf enabled |
| CSCvq78557 | SWITCH_REMOVED event log not showing on console logging |
| CSCvr38087 | Diagnostics errors after the Line Card OIR on C9400 |
| CSCvr63642 | To address sync done message missing after LC OIR and switchover resulting in HMS timeout |
| CSCvr64854 | 9400- inactive ports holding buffers even after line card removal |
| CSCvr73095 | After aes encryption is enabled, entering plain aaa dynamic-author keys corrups key |
| CSCvr88090 | Cat9300 crash on running show platform software fed switch 1 fss abstraction |
| CSCvr90237 | Mulitple issues seen if we do SSO with MKA MACsec on Sup ports. |
| CSCvr90477 | 9500 incorrectly set more-fragment flag for double fragmentation |
| CSCvr98126 | WNCD Memory leak@OBJ_WEBAUTH_IO_WRITING due to running Out of IDs |
| CSCvs13977 | C9500H input queue wedge from ipv6 dhcp server configuration on SVI w/o global dhcp pool |
| CSCvs14374 | 16.9.2 ES standby crashed |
| CSCvs14893 | 802.1x-MultiAuth/MultiDomain: C9K - Traffic drop in egress direction for Data-Vlan on a Auth port |
| CSCvs14920 | Block overrun crash due to Corrupted redzone |
| CSCvs15521 | Incorrect interface up/down detection using QSFP-4X10G-LR-S breakout-cable |
| CSCvs18024 | [autoinstall] obtained DHCP hostname truncated || DATACORRUPTION || CRASH |
| CSCvs19669 | Crash at the moment of configuring ip explicit-path name |
| CSCvs34297 | revisit fix of CSCvs22885 C9300-NM-8X - SFP-10G module gbic-invalid err-disable |
| CSCvs42476 | Crash during authentication failure of client |
| CSCvs45231 | Memory exhaustion in sessmgrd process due to EAPoL announcement |
| CSCvm93748 | Extra white space for interface in configuration after stackwise interfaces configured |
| CSCvp64464 | CRC error incrementing with GLC-TE SFPs with speed 10 |
| CSCvp73666 | DNA - LAN Automation doesn't configure link between Peer Device and PnP Agent due CDP limitation |
| CSCvq18307 | VRF routes disappeared after reload |
| CSCvq24181 | Crash/Unresponsiveness after TDR test is set through SNMP |
| CSCvq65438 | Copying config file containing SmartPort macros to run fails |
| CSCvq74407 | Remote SNMPv3 users are deleted after reloading the router |
| CSCvr23358 | Switches are adding Device SGT to proxy generated IGMP leave messages while keeping End host src IP |
| CSCvr28083 | 9400: authentication on the sup should be moved under TAM services. |
| CSCvr41906 | Imax error on adjacent interfaces in port-group |
| CSCvr46622 | Cat9k || scaled mVPN || tracebacks and errors seen in FED trace |
| CSCvr57022 | Routes not removed from routing table when Dialer interface is shut |
| CSCvr59959 | 3650/3850 Flow-based SPAN(FSPAN) can only work in one direction when mutilple session configured. |
| CSCvr62415 | IOSd crash with tplus_socket_io_cleanup_internal |
| CSCvr79474 | HW-faulty not present in OID list for cefcModuleOperStatus object MIB:CISCO-ENTITY-FRU-CONTROL-MIB |
| CSCvr82402 | SNMP timeout when querying entSensorValueEntry |
| CSCvr86223 | c9400 Not able to configure power redundancy mode in SVL |
| CSCvr88026 | C9407R Power setting, default to combine after reload |
| CSCvr96863 | C9500 breakout interfaces on standby switch of stackwise virtual pair may remain down/down (UPLINK) |
| CSCvr98281 | After valid ip conflict, SVI admin down responds to GARP |
| CSCvs25412 | CTS Environmental Data download request triggered before PAC provisioned |
| CSCvs28310 | Template push fails when trying remove logging configuration |
| CSCvs30569 | cmand crash after removal fantray |
Open caveats
| CSCvs66001 | Interface status comes with"notconnected" as speed:auto,10,Duplex:auto |
| CSCvs47211 | Traceback is seen while verifying port security in basic stacking scenario on PVLAN port |
