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Xrv9k-fullk9-7.2.2 May 2026

You might ask: "Why not use the latest 7.10.x or 8.x?"

The answer is Stability and Resource efficiency. Newer versions of IOS XR require significantly more virtualization overhead (some require 32GB+ RAM just to boot the RP). Xrv9k-fullk9-7.2.2 remains the "Ubuntu 18.04 LTS" of XRv9k images. It is: Xrv9k-fullk9-7.2.2

Ethernet VPN (EVPN) Type 5 routes saw significant bug fixes in 7.2.2. The Fullk9 variant supports: You might ask: "Why not use the latest 7

The XRv9k is the virtualized form factor of Cisco’s IOS XR operating system, designed for: Version 7

Version 7.2.2 is part of the 7.2.x train, considered a stable, mature release after the initial 7.2.1.

The software image you've mentioned, Xrv9k-fullk9-7.2.2, likely refers to a specific version of the IOS XE software designed for the XRv9000 series. IOS XE is a modular, modern software architecture that provides a consistent, integrated experience across different Cisco devices.

You might ask: "Why not use the latest 7.10.x or 8.x?"

The answer is Stability and Resource efficiency. Newer versions of IOS XR require significantly more virtualization overhead (some require 32GB+ RAM just to boot the RP). Xrv9k-fullk9-7.2.2 remains the "Ubuntu 18.04 LTS" of XRv9k images. It is:

Ethernet VPN (EVPN) Type 5 routes saw significant bug fixes in 7.2.2. The Fullk9 variant supports:

The XRv9k is the virtualized form factor of Cisco’s IOS XR operating system, designed for:

Version 7.2.2 is part of the 7.2.x train, considered a stable, mature release after the initial 7.2.1.

The software image you've mentioned, Xrv9k-fullk9-7.2.2, likely refers to a specific version of the IOS XE software designed for the XRv9000 series. IOS XE is a modular, modern software architecture that provides a consistent, integrated experience across different Cisco devices.