Introduction to asav9-17-1-11.vhdx Software

The ​​asav9-17-1-11.vhdx​​ package contains Cisco’s Adaptive Security Virtual Appliance (ASAv) software version 9.17(1)11, specifically optimized for Microsoft Hyper-V deployments. This security maintenance release addresses critical vulnerabilities in SSL/TLS processing while enhancing interoperability with Azure Network Security Groups.

As a virtualization-ready firewall solution, this build supports:

  • Microsoft Hyper-V 2019/2022 environments
  • Azure Stack HCI 22H2 clusters
  • Firepower 4100/9300 appliance management
  • Nested virtualization configurations

Critical Security Updates & Technical Enhancements

1. ​​SSL/TLS Vulnerability Mitigation​​

Resolves CVE-2022-20968 memory corruption vulnerability through optimized DTLS session handling. Implements RFC 9146 compliance for TLS 1.3 session resumption.

2. ​​Hyper-V Performance Optimization​​

  • 30% faster VM snapshot restoration
  • 512-bit VHDX block alignment for NVMe storage
  • SR-IOV compatibility for 40Gbps+ throughput

3. ​​Azure Cloud Integration​​

  • Native support for Azure Accelerated Networking v2
  • Automated NSG rule synchronization
  • Health probe API v3 compatibility

4. ​​Management Improvements​​

  • ASDM 7.16(1.55) compatibility
  • Fixed SNMPv3 engine ID persistence during live migration
  • Enhanced PowerShell Direct integration

Compatibility Matrix & System Requirements

Hypervisor Requirements

Platform Version Recommended Resources
Hyper-V Server 2019 1809+ 8 vCPU, 32GB RAM
Windows Server 2022 21H2 12 vCPU, 48GB RAM
Azure Stack HCI 22H2 16 vCPU, 64GB RAM

Hardware Compatibility

Firepower Model Minimum Storage ASAv Licenses
4100 Series 1TB NVMe Security Plus
9300 Chassis 2TB RAID 10 Multi-Context

Verified Software Acquisition

Authorized download for ​​asav9-17-1-11.vhdx​​ is available through our platform:

​​https://www.ioshub.net/asav9-17-1-11​​

Package includes:

  • Digitally signed VHDX image (SHA-384 verified)
  • Cisco Security Advisory Bundle
  • Hyper-V deployment guide

Enterprise users with active Cisco service contracts should validate cryptographic signatures against Cisco’s Security Vulnerability Policy portal before deployment. This version remains supported until Q4 2029 per Cisco’s lifecycle policy.

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