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Parameter Description
Area ID The transit area the virtual link must cross to connect the border
routers.
Router ID The OSPF identifier for the router at the other end of the link.
IP Address IP address of the border router at the other end of the link.
Option The optional OSPF capabilities supported by the neighbor. The
neighbor's optional OSPF capabilities are also listed in its Hello
packets. This enables received Hellos to be rejected (i.e., neighbor
relationships will not even start to form) if there is a mismatch in
certain crucial OSPF capabilities. The OSPF optional capabilities
currently accepted include external routing capability and TOS
capability.
You need to map the binary bits to the supported options. For
example, “3” indicates both routing capability and TOS capability.