Cisco IOS XE 17.16 Update Version Cisco IOS XE 17.16.1a

Cisco IOS XE 17.16.1a is the first 17.16.x release for Cisco 4000 Series ISRs. It adds new routing, logging, SD-WAN, ThousandEyes, UTD, and CUBE features, and includes multiple bug fixes plus SSH hardening by disabling `ssh-rsa` on port 22.

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Product Information

Vendor: Cisco

Product: IOS XE

Product type: Other

Platform: Network Device

Variant: 17.16

Version: Cisco IOS XE 17.16.1a

Vendor information published: Dec 24, 2024

Original release notes: View on vendor site

Published on updatealert.io: Jun 5, 2026

Description: Network operating system software for Cisco enterprise routers and switches.