OpenBSD patches its PF packet filter to support 64-bit bandwidth values, breaking through the previous 4.29 Gbps cap that was caused by 32-bit integer limitations in the HFSC scheduler. Queue bandwidth now supports up to 999 Gbps.
Infrastructure
OpenBSD: PF queues break the 4 Gbps barrier
OpenBSD removes 32-bit bandwidth limitations in PF packet filter, enabling queue speeds up to 999 Gbps instead of the previous 4.29 Gbps ceiling.
Thursday, March 19, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline
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infrastructure