FRRouting/frr
Jan 2025 – Oct 2025
6 Months active
Languages Used
FRR ConfigurationPythonCJSON
Technical Skills
BGPBGP ConfigurationEVPNEVPN ConfigurationNetwork TestingPython Scripting
Loïc Sang
PROFILE
Loïc Sang
Loic Sang contributed to the FRRouting/frr project by developing and stabilizing BGP EVPN route-map testing, expanding YANG attribute support across multiple daemons, and enhancing BMP observability and reliability. He addressed complex issues in BGP route installation and diagnostics, implementing targeted fixes and regression tests to improve route convergence and reduce operational risk. Using C and Python, Loic extended test coverage, refactored statistics reporting, and integrated YANG modeling for northbound APIs. His work demonstrated depth in network protocol implementation and system programming, resulting in more robust, deterministic test outcomes and improved monitoring for operators managing large-scale routing deployments.
Overall Statistics
Feature vs Bugs
43%Features
Repository Contributions
10Total
Bugs
4
Commits
10
Features
3
Lines of code
431
Activity Months6
Your Network
25 people
Work History
October 2025
1 Commits
Oct 1, 2025October 2025: FRRouting/frr reliability improvements in the BMP subsystem with a critical data-loss prevention fix for BGP BMP pull writer.
1 Commits
Oct 1, 2025October 2025: FRRouting/frr reliability improvements in the BMP subsystem with a critical data-loss prevention fix for BGP BMP pull writer.
October 2025
August 2025
1 Commits
Aug 1, 2025August 2025 monthly summary for FRRouting/frr: Implemented a targeted BGP correctness fix and regression test. The show bgp ipv4 labeled-unicast neighbors command now uses the unicast SAFI for soft-reconfiguration checks, aligning with the unicast table. Added a topotest to verify the fix, increasing regression coverage and reliability for labeled-unicast handling. The change reduces misreporting in diagnostics and improves stability in large-scale deployments.
August 2025
1 Commits
Aug 1, 2025August 2025 monthly summary for FRRouting/frr: Implemented a targeted BGP correctness fix and regression test. The show bgp ipv4 labeled-unicast neighbors command now uses the unicast SAFI for soft-reconfiguration checks, aligning with the unicast table. Added a topotest to verify the fix, increasing regression coverage and reliability for labeled-unicast handling. The change reduces misreporting in diagnostics and improves stability in large-scale deployments.
June 2025
2 Commits • 1 Features
Jun 1, 2025June 2025 monthly work summary focusing on key accomplishments in FRRouting/frr BMP enhancements, with emphasis on reducing monitoring noise and improving observability for operators. Delivered targeted changes to End of RIB (EoR) signaling in BMP, and added Local RIB (Loc-RIB) statistics reporting, including a new bmp_stats_peer component for improved data generation and transmission in BMP reports.
2 Commits • 1 Features
Jun 1, 2025June 2025 monthly work summary focusing on key accomplishments in FRRouting/frr BMP enhancements, with emphasis on reducing monitoring noise and improving observability for operators. Delivered targeted changes to End of RIB (EoR) signaling in BMP, and added Local RIB (Loc-RIB) statistics reporting, including a new bmp_stats_peer component for improved data generation and transmission in BMP reports.
June 2025
April 2025
3 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for FRRouting/frr: Focused on expanding YANG support for northbound APIs across multiple daemons, delivering cross-daemon YANG attribute recognition and reducing validation risks during pending commits. This month’s work enhances interoperability, automated tooling readiness, and overall system robustness.
April 2025
3 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for FRRouting/frr: Focused on expanding YANG support for northbound APIs across multiple daemons, delivering cross-daemon YANG attribute recognition and reducing validation risks during pending commits. This month’s work enhances interoperability, automated tooling readiness, and overall system robustness.
March 2025
1 Commits
Mar 1, 2025March 2025 FRRouting/frr — Key bug fix delivering stable BGP route installation after default VRF restoration. Unsets BGP_FLAG_DELETE_IN_PROGRESS on the default BGP instance to resolve a VRF-Lite regression, improving route reliability and convergence in multi-VRF environments. This work reduces operational incidents and supports smoother VRF transitions for customers.
1 Commits
Mar 1, 2025March 2025 FRRouting/frr — Key bug fix delivering stable BGP route installation after default VRF restoration. Unsets BGP_FLAG_DELETE_IN_PROGRESS on the default BGP instance to resolve a VRF-Lite regression, improving route reliability and convergence in multi-VRF environments. This work reduces operational incidents and supports smoother VRF transitions for customers.
March 2025
January 2025
2 Commits • 1 Features
Jan 1, 2025Month: 2025-01 — FRRouting/frr: Key features delivered and reliability improvements in BGP EVPN testing. Key features delivered: stabilized BGP EVPN route-map matching tests by aligning R2 with R1 and correcting l3vni/l2vni; extended test coverage to cover inbound MAC filtering and outbound route-type-2 filtering for EVPN advertisements. Major bugs fixed: resolved environment drift and mismatch in EVPN route-map test configuration. Overall impact: more robust, deterministic test outcomes, earlier defect detection in production EVPN routing, reduced CI flake rate. Technologies/skills: topotests, BGP EVPN, route-map testing, test environment stabilization, FRRouting codebase contributions. Commits: 25a87dcdd42f1986d2322f82ac2e8ed5ac7f3e3e; 9860583e0abcfbc986a854d2170190a1df1db6b2.
January 2025
2 Commits • 1 Features
Jan 1, 2025Month: 2025-01 — FRRouting/frr: Key features delivered and reliability improvements in BGP EVPN testing. Key features delivered: stabilized BGP EVPN route-map matching tests by aligning R2 with R1 and correcting l3vni/l2vni; extended test coverage to cover inbound MAC filtering and outbound route-type-2 filtering for EVPN advertisements. Major bugs fixed: resolved environment drift and mismatch in EVPN route-map test configuration. Overall impact: more robust, deterministic test outcomes, earlier defect detection in production EVPN routing, reduced CI flake rate. Technologies/skills: topotests, BGP EVPN, route-map testing, test environment stabilization, FRRouting codebase contributions. Commits: 25a87dcdd42f1986d2322f82ac2e8ed5ac7f3e3e; 9860583e0abcfbc986a854d2170190a1df1db6b2.
Activity
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Quality Metrics
Correctness90.0%
Maintainability90.0%
Architecture88.0%
Performance84.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
CFRR ConfigurationJSONPython
Technical Skills
API IntegrationBGPBGP ConfigurationBug FixC ProgrammingCLI DevelopmentEVPNEVPN ConfigurationNetwork EngineeringNetwork ProgrammingNetwork ProtocolsNetwork RoutingNetwork TestingProtocol ImplementationPython Scripting
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