September 2026

• 9/26/2026

  Intra-AS L3VPN: Dual-Stack PE-CE OSPF and eBGP on Both Providers

• 9/23/2026

  Convergence: BFD and Dual-Stack LFA on Both Providers

• 9/17/2026

  The BGP Control Plane: iBGP Route Reflectors and VPNv4/v6 on One Session

• 9/11/2026

  SP-B SR-MPLS: Predictable Labels, TI-LFA vs Classic LFA, and fragmentation problem

• 9/9/2026

  SP-A MPLS Transport: LDP Label Ranges, OSPF Sync and Session Protection

• 9/3/2026

  IGP Optimization: Prefix Suppression, Overload Bit, LSP Fragmentation, and a little more