February 2026 monthly summary for srl-labs/containerlab focusing on feature delivery, bug fixes, impact, and tech skills demonstrated. The primary work this month delivered an important dependency and version upgrade to the ixia-c-one component within containerlab, strengthening compatibility with IXIA-based test workflows and downstream deployments.

Month: 2026-01. Focused on upgrading the Ixia C-One integration in the srl-labs/containerlab repository to improve compatibility and performance, with two release cycles to keep pace with infrastructure changes. No major bugs reported this period; all changes emphasized stability and forward-compatibility, delivering measurable business value through better integration reliability and performance. Overall, the work reinforces container security and reliability by ensuring dependencies are current and the container base is aligned with upstream changes. The changes position the product for smoother operation in production environments and easier future upgrades.

Month: 2025-12 — Focused feature delivery for containerlab with release-oriented work and release engineering improvements. Delivered the Ixia-C One Component Compatibility and Performance Enhancements in srl-labs/containerlab, including updates to version information and dependencies to boost compatibility and runtime performance. The work culminated in Release v1.42.0-4, providing a stable, versioned artifact for downstream integrations. Major bugs fixed: None reported or fixed this month. Overall impact and accomplishments: Strengthened hardware compatibility and performance, enabling smoother integration with Ixia-C components and reducing runtime inefficiencies. The release improves reliability for customers and sets the stage for upcoming hardware compatibility enhancements and future performance optimizations. Technologies/skills demonstrated: Dependency/version management, release engineering and versioned releases, commit hygiene and traceability, and performance-focused feature delivery.

For 2025-11, delivered a focused dependency upgrade in srl-labs/containerlab by updating Ixia-C-One to v1.41.0-8. This update aligns dependencies and container images with the latest release, reducing drift and enabling smoother downstream validation. No major bugs recorded this month. Impact: improved stability, easier maintenance, and readiness for upcoming releases. Technologies/skills demonstrated: dependency/version management, precise change tracing, and repository hygiene.

2025-10 monthly summary for srl-labs/containerlab: focused on dependency upgrades and release readiness. Highlights include Ixia-c-one dependency upgrade and container image version bump, and the associated release tagging.

Month: 2025-09 — Focused on upgrading the Ixia C-One image and ensuring full compatibility across lab examples, tests, and documentation in srl-labs/containerlab. Feature delivered: Ixia-c-one image version bump to v1.34.0-1 with dependency synchronization. No major bugs reported in this period. Release commits consolidated in two tagged releases. Business impact: streamlined upgrade path for lab environments, reduced maintenance overhead, and improved stability of lab workflows.

Monthly recap for 2025-08: Delivered a stable Ixia-c-one image upgrade across the containerlab project, aligning dependencies and improving interoperability with the latest component. Updated documentation, go.mod, and example topology to reflect the new release and enable access to improvements. This work reduces integration risk, accelerates onboarding, and strengthens platform reliability. Major bugs fixed this period: none reported.

Month: 2025-07 — Key business and technical outcomes: Key feature delivered was configurable gRPC buffer sizes in the Snappi API, enabling explicit control over maximum receive buffer size and chunk size. The GrpcApi was refactored to support dynamic adjustment, and dependencies as well as generated Go code were updated to align with the new API surface. This work improves throughput and memory management for large gRPC payloads, reducing tail latency under high-load scenarios. There were no critical bugs fixed this month; the focus was on feature delivery and code quality improvements. Overall impact: better scalability and tunable performance for users generating traffic at scale with safer memory footprint. Technologies demonstrated: Go, gRPC, API design, code generation, dependency management, and refactoring for dynamic configuration; emphasis on maintainability and backward-compatibility.

June 2025 monthly summary for srl-labs/containerlab: Delivered an IXIA-C-One Lab Image and Toolchain Upgrade to ixia-c-one version 1.31.0-6, ensuring tests and lab examples run on a stable, up-to-date baseline. This involved applying two release commits to align the lab environment with the latest IXIA-C-One release and Go toolchain.

For 2025-05, delivered a focused feature update to Ixia-c-One image version for lab examples and tests in the srl-labs/containerlab repository. The image was updated to the latest stable release to ensure compatibility and reliability across lab workflows and related documentation. No major bugs were reported or fixed this month. Overall impact includes improved lab environment stability, streamlined test execution, and clearer release traceability.

April 2025 monthly summary for srl-labs/containerlab focusing on key feature delivery and overall impact. Delivered a critical dependency upgrade for the Lab Example in the ixiacone-srl lab to align with latest stability and feature improvements. The upgrade upgrades the ixia-c-one image to 1.28.0-6 and gosnappi library to 1.28.2, enabling improved compatibility and access to bug fixes and newer capabilities.

March 2025 monthly summary for srl-labs/containerlab focused on delivering a network emulation environment upgrade and stabilizing dependencies. Delivered Network Emulation Environment Release by upgrading the IXIA C-One image and gosnappi library to version 1.24.0-4, and updated the ixiacone-srl lab example along with go.mod/go.sum to reflect the new release. Release was committed as Release v1.24.0-4 (#2508). No major bugs were reported in this period; release prep, compatibility checks, and validation contributed to improved stability and reproducibility of testing environments.

February 2025: Delivered bug fixes and performance improvements for the ixia-c-one component as part of the srl-labs/containerlab release v1.20.0-6. Upgraded ixia-c-one image and dependencies to v1.20.0-6, updated go.mod/go.sum, and refreshed documentation. The release improves stability, performance, and build reproducibility, reflecting commitment to reliability and developer experience.

January 2025 focused on targeted version alignment for Lab Examples in the srl-labs/containerlab repository. Updated the ixia-c-one image version across documentation and topology config to 1.19.0-18 to reflect the current software, ensuring lab environments are consistent with the latest release. This work is linked to commit ed815ce0fc6995187a376971fdd7316ef2fc0a20 and release tag v1.19.0-18 (#2419). No major bugs were fixed this month; the emphasis was on alignment, documentation quality, and release traceability. The result is improved deployment consistency and a clearer path for downstream users when upgrading to the new lab image.

December 2024 performance summary for srl-labs/containerlab: Delivered a focused dependency upgrade to IxIA-C-One and Snappi Gosnappi, aligning containerlab with the latest ixia-c-one release to maintain compatibility and stability. This work was anchored by Release v1.19.0-5 (#2356) and a single, traceable commit (bd50b21cf88a4a8130776f898b0624c1fb83de8d). Impact: smoother interoperability with newer IXIA hardware/images and Snappi APIs, reducing upgrade risk for users and downstream integrations. Technologies/skills demonstrated: dependency management, release tagging, and end-to-end traceability from commit to release; cross-component compatibility testing.

2024-11 monthly summary for srl-labs/containerlab: Delivered feature updates to Lab Examples by updating the ixia-c-one image to the latest release and refreshing dependent libraries (gosnappi, Go modules) to align with the latest stable ixia-c-one release. This work reduces maintenance risk and improves compatibility for lab scenarios. No major bugs fixed this month; main focus was dependency modernization and release-tagged updates. Commits reflect releases v1.16.0-2 (#2305) and v1.17.0-9 (#2317).