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Adds 03-srv6-bgp-ipv4.yml: IPv6-only core with BGP+SRv6, eBGP for SID prefix exchange with the core, and IPv4 overlay validation. Made-with: Cursor
- Configure neighbor activate from srv6.bgp and srv6.igp (IPv6 eBGP when igp includes bgp) - Add bgp to srv6.igp valid_values for BGP-only underlay Made-with: Cursor
Enable features.srv6.bgp for FRR device (BGP-based SRv6 underlay). Made-with: Cursor
- frr.bgp.j2: when srv6.igp includes bgp, set locator on SRv6 dummy and originate locator in IPv6 unicast; add encapsulation-srv6 on neighbors; render srv6.bgp AFs with sid export auto; keep VPN AFs when srv6.vpn - frr.j2: create vrf-srv6; include BGP SRv6 block when srv6.bgp is set Made-with: Cursor
Use SRv6_VRF_DEV; create vrf-srv6 only when srv6.igp includes bgp. Made-with: Cursor
- Expand bgp.session plugin comment for PE transit via P AS - Set defaults.bgp.warnings.missing_igp: False (BGP-only underlay) Made-with: Cursor
IPv6 customer loopbacks and overlay (srv6.bgp ipv6), BGP-only underlay with eBGP SID exchange and allowas_in on core links; IPv6 ping validation. Made-with: Cursor
Made-with: Cursor
Remove dead srv6.vpn lookup and stale comment; activation logic is unchanged. Made-with: Cursor
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Following the upgrade to the latest FRR 10.6 release, we can now do SRv6 with BGP as IGP
Conceptually this still somewhat mixes EBGP as an IGP underlay for SRv6 and BGP v4/v6 in the overlay, we may want to clean that up. I'm sharing an early draft with key knobs to enable this use case (and I know how much you love IBGP-over-EBGP designs, that could be changed too of course)