For SRv6 (Segment Routing over IPv6) deployment on a bearer WAN, the following are essential:
IGP (OSPFv3 or IS-IS): Required for SID advertisement and SRv6 route computation → ✅
BGP: Required when deploying inter-domain SRv6 or for control plane distribution of VPN/service routes → ✅
Not required:
MPLS: SRv6 replaces MPLS labels with IPv6-based SIDs → ❌
BGP-LU: Used in MPLS-based inter-AS scenarios, not applicable to SRv6 → ❌
Correct answers: B, C
[Reference:Huawei HCIE-Datacom V1.0 Study Guide —Chapter: SRv6 FundamentalsSection: Control Plane Protocol Dependencies, , ]
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