1. Introduction to Cisco_Meeting_Server_3_6_2_vm-upgrade.zip

This upgrade package enables seamless migration of Cisco Meeting Server clusters from versions 3.4 to 3.6, addressing critical interoperability requirements with Webex hybrid deployments. Designed for VMware vSphere 6.7U3+ environments, it preserves existing conference spaces while implementing NIST SP 800-193 platform integrity verification during the upgrade process.

The archive contains ESXi-compatible OVA templates, pre-upgrade validation scripts, and rollback modules for UCS C240 M5/M6 hardware platforms. Released on March 15, 2025, this maintenance update focuses on certificate chain validation improvements and API endpoint hardening.

2. Key Features and Improvements

Cluster Management Enhancements

  • ​​Multi-node atomic upgrades​​: Synchronize 24-node clusters within 15-minute maintenance windows
  • ​​Health check automation​​: Pre-validation of vSAN/NFS datastore permissions before initiating upgrades
  • ​​Call Detail Record (CDR) preservation​​: Ensures uninterrupted billing metrics during migration

Security Updates

  • ​​TLS 1.3 enforcement​​: Removes RC4 cipher support per RFC 7465
  • ​​FIPS 140-3 compliance​​: Upgrades OpenSSL to 3.1.2 for media encryption
  • ​​CVE-2025-0188 mitigation​​: Patches XML external entity (XXE) vulnerability in configuration import

Performance Optimization

  • ​​API response acceleration​​: Reduces REST API latency by 40% through JWT token caching
  • ​​Resource reclamation​​: Automatically removes orphaned VM snapshots post-upgrade
  • ​​Dual-stack IPv6 readiness​​: Prepares clusters for RFC 8591 SIP over IPv6 implementations

3. Compatibility and Requirements

Component Supported Versions Critical Notes
Hypervisor VMware ESXi 6.7 U3+
vCenter 7.0 U3c+		 vSphere 8.x requires manual compatibility mode
Hardware Cisco UCS C240 M5/M6
Dell PowerEdge R650/R750		 128GB RAM recommended for clusters >8 nodes
Storage vSAN 7.0U1+
NFS 4.2		 1TB free space per node required
Networking LACP with 802.3ad
MTU 9000		 25Gbps NICs mandatory for inter-node traffic

​​Unsupported Configurations​​:

  • Hyper-V/Nutanix AHV hypervisors
  • Third-party SSL certificates without CRL/OCSP stapling
  • Legacy Meeting Server 2.x clusters

4. Software Access and Licensing

This upgrade package requires valid ​​Cisco Meeting Server Plus License​​ through:

  1. ​​Cisco Smart Account​​: Download via Software Central with admin privileges
  2. ​​Enterprise Agreement​​: Contact Cisco account team for volume deployment kits
  3. ​​Temporary Access​​: Obtain 30-day evaluation licenses through Cisco Meeting Management 3.6

For immediate download, visit our verified repository with active service contract credentials. Technical validation services include:

  • Pre-upgrade configuration analysis
  • Post-migration performance benchmarking
  • Cluster hardening audits per CIS Benchmark v3.4

Last validated: May 13, 2025 | Source integrity: Cisco Meeting Server 3.6 Release Notes (CMS-SW-3.6-RN), VMware vSphere Security Configuration Guide

: Programming guide references to API improvements
: Security compliance details from release notes
: Cluster scalability specifications from product documentation

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