Hi all, In the Router-LSA, can replace the Virtual link into the Point-to-point link, and obsolete the virtual link? In RFC4577 OSPF as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs) The sham link is an unnumbered point-to-point intra-area link and is advertised as a type 1 link in a type 1 LSA. So can I interpret it this way, the virtual link is an numbered point-to-point link and is advertised as a type 1 link in a type 1 LSA.
I just want to know a separate type 4 link(Virtual link) in Router-LSA for virtual-link, what's for special applications? Thanks.
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