Enterprise Switching Business Unit is glad to announce Beta release 17.3.3 for all Catalyst 9200/9300/9400/9500/9600 platforms. Upgrade path after 16.12.x will be 17.3.3 & later releases. We encourage you to try out the Beta code and share your feedback. The release will help test & evaluate prior to production roll out. Please sign up and share your feedback before General Availability (GA).
Obtaining Pre-Release Software
Please fill-up a simple request access form, you will receive an email with links to download the software.
New Features & Enhancements on 17.3.x
- Thousand Eyes app integration on Catalyst 9300 & 9300L platforms
- Enhanced Smart licensing - Smart Licensing Using Policy
- Routing Enhancements
- BGP EVPN VXLAN
- Broadcast, Unknown Unicast, and Multicast (BUM) Traffic Rate Limiting
- Enhanced rendezvous point (RP) Functionality for Layer 3 TRM for IPv4 and IPv6 traffic
- Interworking of Layer 3 TRM with MVPN Networks for IPv4 Traffic
- Layer 3 Tenant Routed Multicast (TRM) for IPv6 Traffic
- OSPF Non Stop Routing (NSR)
- EIGRP Loop-Free Alternate (LFA) IP Fast Reroute (IPFRR)
- MPLS VPN InterAS Option
- MPLS QoS – WRED (WRED)
- MVPNv6 support
- Programmability
- gNMI Configuration Persistence
- gNOI Certificate Management
- gNOI Bootstrapping with Certificate Service
- YANG Data Models
Note : ISSU is not supported for 16.12.x (& older codes) to 17.3.x upgrades, however all 17.3.x codes can be upgraded to 17.3.3 on ISSU.
More details on the ISSU Page
Feedback:
Please submit your valuable inputs on the Feedback form provided below or email us @ ecsg-beta@external.cisco.com.
Resolved Caveats:
|
Defect ID |
Summary |
| CSCvw51976 | Bulk-sync failure due to PRC mismatch causes C3k continuous reload |
| CSCvv60320 | Cat9400: Line protocol flap observed in specific interface frequently on C9400-LC-24S/48S |
| CSCvt73669 | Ports remains in notconnect state when moved from L2 to L3 to L2 |
| CSCvt99108 | Ports stop learning mac when template unbinded and binded multiple times |
| CSCvu32771 | linux_iosd-image crash @IPv6 IDB by enabling L3 SVI on 40G with ipv6 after 1st swo |
| CSCvu60564 | BGP template push is failing due to "Device failed to process request. null" error. |
| CSCvu90016 | Catalyst 9k: FED crash after reaching webauth scale of about 1k sessions |
| CSCvv03589 | sisf traceback at sisf_macdb_create_entry during change lisp configure |
| CSCvv40631 | Catalyst 9606 40Gb port bounce when DWDM failover |
| CSCvv45076 | Downgrading from 17.1.1 to 16.12.3s Vlan SVI's show as Down/Down on some interfaces |
| CSCvv53948 | LIG causes Map-Cache entry to override RIB |
| CSCvv88670 | [SDA] cat9200 SISF marking mac as tentative |
| CSCvw06037 | When "speed nonegotiate" is configured 1G link does not come up after OIR |
| CSCvw08075 | C9200L: Port remains down/down after repeating connect/disconnect of the cable |
| CSCvw09998 | flexlink+ alt port forwarding igmp queries caused multicast traffic loop |
| CSCvw16643 | Device Template failing to attach after changing few device variables |
| CSCvw16864 | AP uptime not sent to third party SNMP monitoring server when initially AP joins the WLC. |
| CSCvw17639 | Traceback: C9600 LineCard IDPROM read failure generates Fatal call |
| CSCvw18461 | Switch Crashes when enabling RSPAN Destination port |
| CSCvw31564 | When ip tcp adjust-mss is enabled, TCP packets that are already fragmented will get dropped |
| CSCvw32481 | EVPN Type-2 IP/MAC route is created for not-connected SVI |
| CSCvw33156 | PTP does not work on Twogig interface on 9500-40X-A due to large neighbor propagation delay |
| CSCvw36634 | On 9600SVL, RSPAN won t work unless RSPAN Traffic and RSPAN destination port are on the same switch. |
| CSCvw38433 | OMP-Agent Routes in EIGRP changes AD to 252 on non-SDWAN devices |
| CSCvw53152 | loopdetect feature not working on C9300 with Network Essentials |
| CSCvw65866 | Packet loss and jitter seen for media traffic when connected to C9300-48UN |
| CSCvw74061 | Cat9k: Disable Cstate C1E as a workaround for silent reload issue - CSCvr77861 |
