Cisco Secure Workload Release Notes
Release 3.6.1.21
This document describes the new features, caveats, and limitations for Cisco Secure Workload software, release 3.6.1.21.
This document describes the features, bug fixes and any behavior changes for the Cisco Secure Workload software patch release 3.6.1.21. This patch is associated with the Cisco Secure Workload software major release 3.6.1.5. Details of the major release can be found here - https://www.cisco.com/c/en/us/td/docs/security/workload_security/secure_workload/release-notes/csw_rn_3_6_1_5.html.
Release Notes are sometimes updated with new information about restrictions and caveats. See the following website for the most recent version of this document:
https://www.cisco.com/c/en/us/support/security/tetration/products-release-notes-list.html
The following table shows the online change history for this document.
Date |
Description |
Mar 10, 2022 |
Release 3.6.1.21 became available. |
May 16, 2022 |
Added CSCwb83818, CSCwb80090, and CSCwb86649 to the open caveats list. |
Contents
This document includes the following sections:
■ Caveats
This section lists the new and changed features in this release and includes the following topics:
New Software Features
■ Micro-segmentation support for container workloads deployed through Red Hat OpenShift 4.x is now available. OpenShift 4.x leverages CRI-O as the default container runtime for Kubernetes. CRI-O is supported, and no additional changes in the existing enforcement workflow are required for running in such environments. Worker node operating systems can be either RHEL or CentOS versions that are officially supported by OpenShift 4.x.
— This release supports Red Hat OpenShift versions up to 4.9 for external orchestrator integration. It also adds support for Red Hat Enterprise Core OS versions up to 4.9.
Enhancements
■ Kubernetes versions 1.21 and 1.22 are now supported for External Orchestrator integration.
Changes in Behavior
■ No changes to software in this patch release
This section contains lists of open and resolved caveats, as well as known behaviors.
The following table lists the open caveats in this release. Click a bug ID to access Cisco’s Bug Search Tool to see additional information about that bug.
Bug ID |
Description |
Conversation Mode: Short lived non TCP flows in conversation mode can have client server flipped |
|
Conversation Mode: 39RU cluster may not support 50k sensors when enforcement is enabled. |
|
FMC-CSW orchestrator: CSW pushes ipv6 hop by hop if protocol is set to any |
|
AWS Flow Logs: Policies Analysis with AWS Flow logs doesn’t work. |
|
Federation/DBR: Unable to determine status of sensor migration from source cluster |
|
Enforcement agent depends on Windows Firewall Service when enforcement mode is WFP |
|
Clock Drift Observed on Windows Server 2008 R2 with Cisco Secure Workload Agent |
|
ERSPAN sensor running in server with 40Gbps links, only receives 100Kpps |
Resolved Caveats
The following table lists the resolved caveats in this release. Click a bug ID to access Cisco’s Bug Search Tool to see additional information about that bug.
Table 3 Resolved Caveats
Bug ID |
Description
|
Flow Learned Inventories build up from uni-dir flows in Conversation mode |
■ Refer to Cisco Secure Workload software major release 3.6.1.5 release notes - https://www.cisco.com/c/en/us/td/docs/security/workload_security/secure_workload/release-notes/csw_rn_3_6_1_5.html.
Compatibility Information
■ For detailed compatibility information, please refer to the Platform Information page on Cisco.com (https://www.cisco.com/c/en/us/products/security/tetration/platform-info.html). Scroll down to the bottom of the page to view "Details” options, including the Workload Operating System Support.
Usage Guidelines
■ Refer to Cisco Secure Workload software major release 3.6.1.5 release notes - https://www.cisco.com/c/en/us/td/docs/security/workload_security/secure_workload/release-notes/csw_rn_3_6_1_5.html.
Verified Scalability Limits
The following tables provide the scalability limits for Cisco Secure Workload (39-RU), Cisco Secure Workload M (8-RU), and Cisco Secure Workload Cloud:
Table 5 Scalability Limits for Cisco Secure Workload (39-RU)
Configurable Option |
Scale |
Number of workloads |
Up to 25,000 (VM or bare-metal) Up to 50,000 (2x) when all the sensors are in conversation mode. |
Flow features per second |
Up to 2 million |
Number of hardware agent enabled Cisco Nexus 9000 series switches |
Up to 100 (deprecated) |
Note: Supported scale will always be based on which ever parameter reaches the limit first
Table 6 Scalability Limits for Cisco Secure Workload M (8-RU)
Configurable Option |
Scale |
Number of workloads |
Up to 5,000 (VM or bare-metal) Up to 10,000 (2x) when all the sensors are in conversation mode. |
Flow features per second |
Up to 500,000 |
Number of hardware agent enabled Cisco Nexus 9000 series switches |
Up to 100 (deprecated) |
Note: Supported scale will always be based on which ever parameter reaches the limit first
Table 7 Scalability Limits for Cisco Secure Workload Virtual (VMWare ESXi)
Configurable Option |
Scale |
Number of workloads |
Up to 1,000 (VM or bare-metal) |
Flow features per second |
Up to 70,000 |
Number of hardware agent enabled Cisco Nexus 9000 series switches |
Not supported |
Note: Supported scale will always be based on whichever parameter reaches the limit first.
The Cisco Secure Workload documentation can be accessed from the following websites:
Cisco Secure Workload Platform Datasheet: http://www.cisco.com/c/en/us/products/collateral/data-center-analytics/tetration-analytics/datasheet-c78-737256.html
Secure Workload Documentation: https://www.cisco.com/c/en/us/support/security/tetration/series.html#~tab-documents
Table 8 Installation Documentation
Document |
Description |
Cisco Secure Workload Cluster Hardware |
Describes the physical configuration, site preparation, and cabling of a single- and dual-rack installation for Cisco Secure Workload (39-RU) platform and Cisco Secure Workload M (8-RU). |
Cisco Secure Workload Virtual Deployment Guide |
Describes the deployment of Cisco Secure Workload virtual appliances (formerly known as Tetration-V).
|
Cisco Secure Workload Upgrade Guide |
Document Link: NOTE: As a best practice, it’s always recommended to patch a cluster to the latest available patch version before performing a major version upgrade. |
Latest Threat Data Sources |
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