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Marshall Hollis

PROFILE

Marshall Hollis

Developed and delivered VSF topology monitoring for ArubaCX devices within the librenms/librenms repository, enhancing network visibility by introducing new sensor states and updating discovery definitions to accurately reflect operational and member node status. Leveraged PHP and YAML for configuration and implementation, utilizing SNMP-based data collection through SnmpQuery to ensure robust monitoring coverage. Addressed critical data-parsing issues, including TypeError and undefined array key errors, and improved the interpretation of topology history graphs by refining state tables. Contributed updated test data and SNMP records, while resolving style and CI validation issues to support more reliable, maintainable network fabric management workflows.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

1Total
Bugs
0
Commits
1
Features
1
Lines of code
91,623
Activity Months1

Work History

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for librenms/librenms: Delivered VSF Topology Monitoring on ArubaCX devices, enhancing visibility into VSF topology state across operational and member nodes. This release includes new sensor states, updated discovery definitions, and updated tests. Implemented SNMP-based data collection using SnmpQuery, and added robust test data for ArubaCX and snmprec. Fixed critical data-parsing issues (TypeError on array access, undefined array key arubaWiredVsfv2MemberSerialNum) and resolved style/CI issues. Improved the interpretation of topology history graphs by adjusting states and state tables. Result: improved monitoring coverage, faster problem isolation, fewer runtime errors, and smoother CI validation; enabling better decision-making and reliability for network fabric management.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance60.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

PHPYAML

Technical Skills

Device DiscoveryNetwork MonitoringPHP DevelopmentSNMPYAML Configuration

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

librenms/librenms

Oct 2025 Oct 2025
1 Month active

Languages Used

PHPYAML

Technical Skills

Device DiscoveryNetwork MonitoringPHP DevelopmentSNMPYAML Configuration