[Lsr] 答复: Question about OSPF (transit area routing loop)

Hi, Sergey: ABR-1 advertised the less optimal route information to other routers(in virtual link environment, for avoiding other possible loop scenario, mentioned in G.2 of RFC 2328 as pointed out by Acee), then the other end(ABR-3) of the virtual link should also prefer this less optimal ro

Re: [Lsr] 答复: Question about OSPF (transit area routing loop)

Hi Aijun, Yes – it seems ASBR-2 should be removed from the diagram. Thanks, Acee From: Lsr on behalf of Aijun Wang Date: Wednesday, March 11, 2020 at 6:48 AM To: 'Sergey SHpenkov' , "lsr@ietf.org" Subject: [Lsr] 答复: Question about OSPF (transit area routing loop) Hi, S

[Lsr] 答复: Question about OSPF (transit area routing loop)

Hi, Sergey: If so, ABR-3 should also receive this SumLSA-4 for the ASBR(with cost 300), and then prefer the path via ABR-2 to reach ASBR(with cost 20). Then there will be no loop then? Or, how many SumLAS-4 will be advertised by ABR-1? If it selects and advertises only one (3 or 300), th