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Day 68 — IPv6 Unicast BGP and Dual-Stack Policy Separation

November 06, 2026

1. Opening IPv6 BGP is not a separate routing protocol; it uses MP-BGP to carry IPv6 unicast NLRI. The operational trap is assuming that be...

November 05, 2026

1. Opening Day 8 introduced AFI/SAFI as vocabulary. This day goes deeper into the actual MP-BGP machinery. The key attributes are MP_REACH_...

November 03, 2026

1. Opening A secure Internet edge is not one feature. It is a sequence of mutually reinforcing controls: explicit import/export policy, cus...

November 03, 2026

1. Opening A sudden path change can look like a hijack even when the real problem is a customer's accidental transit leak, a stale ROA,...

November 02, 2026

1. Opening During a volumetric attack, preserving the rest of the network can require intentionally discarding traffic to the attacked dest...