The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.
Feedback
SONiC on Cisco 8000 Series Routers, Release 202605.1.1.0...... 3
SONiC on Cisco 8000 Series Routers, Release 202605.1.1.0
Cisco SONiC Release 202605.1.1.0 introduces support for fabric card shut and unshut functionality, dynamic port breakout, and the Cisco 8223-64E-MO and 8122X-64EF-O platforms. This release enhances the SONiC platform on Cisco 8000 Series Routers by improving software reliability and deployment simplicity.
New software features
Table 1. SONiC on Cisco 8000 Series Routers, Release 202605.1.1.0
| Product impact |
Feature |
| Software Reliability |
Support for Fabric Card Shut/Unshut Functionality |
| Software Reliability |
Support for Dynamic Port Breakout on Q200/G200 Open PID Platforms |
| Software Reliability |
Cisco SONiC Utility Docker - Application Extension Support |
| Hardware Reliability |
Support for Remote Line Card Hardware Fault Detection and Handling on Route Processor |
| Software Reliability |
Support for 8800 Modular Fabric Remediation in SONiC |
| Software Reliability |
Support for NPU Host in Online Diagnostics Enhancements |
| Ease of Setup |
Support for IP-in-IP DIP and SIP Subnet-Based Tunnel Termination with Scale of 128 |
| Software Reliability |
Support for Changing Differentiated Services Code Point via Egress Access Control List |
New hardware
Table 2. New hardware support for SONiC on Cisco 8000 Series Routers, Release 202605.1.1.0
| Hardware |
Description |
| 8122X-64EF-O |
Cisco 8100 2 RU chassis with 64x800G or 128x400GbE OSFP800 ports, Open Software, without HBM, based on the G200x ASIC with 112 Gb/s SerDes. |
| 8223-64E-MO |
Cisco 8223 3 RU Router with 64x800G QSFP-DD800 ports, MACsec, and Open Software. |
Changes in behavior
There are no changes in behavior in this release.
Open issues
There are no open issues in this release.
Known issues
Table 3. The following known issues apply to this release.
| Known Issues |
Description |
| Warmboot support on Cisco 8223 and 8122X-64EF-O platforms |
Warmboot is not supported on the Cisco 8223 and 8122X-64EF-O platforms in this release. |
| Sub-port remains down after SoftOIR with 2x200G optics |
When using 2x200G optics with firmware version 5.4.0, one sub-port may remain down after a SoftOIR operation. |
| Egress traffic is blocked by PFC frames on a lossy queue on the Cisco 8122 platform |
On the Cisco 8122 platform, egress traffic may be blocked when Priority Flow Control (PFC) frames are received on a lossy queue. |
Compatibility
This table outlines the versions of various components included in this release.
Table 4. Component version for SONiC on Cisco 8000 Series Routers, Release 202605.1.1.0
| Component |
Version |
| Linux Kernel |
6.12.41+deb13-sonic-amd64 |
| SAI API |
1.18.1 |
| FRR |
10.5.4-sonic-0 |
| LLDP |
1.0.16-1+deb12u1 |
| TeamD |
1.31-1 |
| SNMPD |
5.9.4+dfsg-2+deb13u1 |
| Python |
3.13.5-1 |
| SYNCD |
1.0.0 |
| swss |
1.0.0 |
| Radvd |
1:2.20-1+b1 |
| ISC-DHCP |
4.4.3-P1-2 |
| sonic-gnmi version |
0.1 |
| redis-server |
5:8.0.2-3+deb13u3 |
| redis-tools version |
5:8.0.2-3+deb13u3 |
| eventd version |
1.0.0-0 |
| mgmt-framework version |
1.0-01 |
Supported hardware
Table of supported hardware components and the minimum required software versions.
Table 5. Supported hardware for SONiC on Cisco 8000 Series Routers, Release 202605.1.1.0
| Part Number |
Description |
| 8102-64H-O |
Cisco 8100 2 RU Chassis with 64x100G QSFP28 with Open Software and without HBM on Q200 Silicon. |
| 8101-32FH-O-C01 |
Cisco 8100 1 RU Chassis with 32x400G QSFP-DD, Open Software, and without HBM on Q200 Silicon. |
| 8101-32FH-O |
Cisco 8100 1 RU Chassis with 32x400G QSFP56-DD with Open Software and without HBM on Q200 Silicon. |
| 8201-32FH-O |
Cisco 8200 32x400G QSFPDD 1RU Fixed System w/HBM |
| 8122-64EHF-O |
Cisco 8100 2 RU Chassis with 64x800G or 128x400GbE OSFP800 with open Software without HBM based on G200 ASIC with 112Gb Serdes |
| 8122X-64EF-O |
Cisco 8100 2 RU chassis with 64x800G or 128x400GbE OSFP800 ports, Open Software, without HBM, based on the G200x ASIC with 112 Gb/s SerDes. |
| 8102-28FH-DPU-O |
Cisco 8100 28x400G QSFPDD DPU enabled, 2RU Fixed Switch, with open Software without HBM |
| 8223-64E-MO |
Cisco 8223 3 RU Router with 64x800G QSFP-DD800 ports, MACsec, and Open Software. |
Related resources
Table 6. Related resources
| Resource |
Description |
| Provides documentation for installing and deploying SONiC on Cisco 8000 Series Routers.
|
|
| Introduces use-case-based documentation for SONiC through Learning Labs, offering guidance on use cases and configurations to facilitate deployment. Additionally, it enables experimentation and customization to meet specific network requirements. |
|
| Provides guidance on installing a new SONiC image on Cisco 8000 series routers, covering two installation methods: Open Network Install Environment (ONIE) and the sonic-installer command. |
|
| Provides detailed specifications and feature information for Cisco 8000 Series Routers in the Data Sheet. |
|
| Provides SONiC image download options for Cisco 8000 Series Routers. |
|
| Provides documentation for installing and deploying SONiC on Cisco 8000 Series Routers.
|
|
| Introduces use-case-based documentation for SONiC through Learning Labs, offering guidance on use cases and configurations to facilitate deployment. Additionally, it enables experimentation and customization to meet specific network requirements. |
Legal information
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries.
Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers.
© 2026 Cisco Systems, Inc. All rights reserved.