InOSPFv3,Link-LSA (Type 8)is generated by a routerfor each of its interfacesto advertise:
Therouter's link-local addresson that interface.
TheIPv6 prefixesassociated with the interface.
Flags and options, such as router priority or loopback indicators.
From the output:
Link-LSA (Interface GigabitEthernet0/0/0)
Originating Router: 10.1.2.2
Link-Local Address: FE80::2E0:FCFF:FECD:4F79
Prefix: 2001:DB8:2345:23::/64
A. The link-local address of R2’s GE0/0/0 is FE80::2E0:FCFF:FECD:4F79→ This matches the Link-Local Address field in the LSA.✅
B. The IPv6 address prefix of R2’s GE0/0/0 is 2001:DB8:2345:23::/64→ This matches the Prefix field in the LSA.✅
C. This LSA indicates that R2 does not support external routes but can participate in IPv6 route calculation→❌Incorrect.
TheLink-LSAdoesnot provide any indicationabout external route capabilities.
It simply advertisesinterface-specific IPv6 and link-local info.
Whether R2 supports external routes depends onType 5 (External) or Type 7 (NSSA) LSAs, not Link-LSAs.
D. This LSA is generated by R2→ The Originating Router: 10.1.2.2 is R2’s router ID, so this LSA is definitely generated by R2.✅
Correct Answers:A, B, D
The Link-LSA in OSPFv3 contains:
The link-local address used by the originating router on the link.
A list of all IPv6 prefixes associated with the link.
Flags such as router priority and the Router-LSA options.
These LSAs are alwaysgenerated by the router itselfand arenot flooded beyond the link.
[Reference:Huawei HCIE-Datacom V1.0 Study GuideChapter:OSPFv3 Routing ProtocolSection:OSPFv3 LSA Types and Their Roles (Link-LSA), , , , ]
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