NETGEAR M4350-24F4V 24-Port 10G SFP+ Managed AV Network Switch - Manual (Page 509)

Table 120. OSPFv3 Link State Database (Continued)
Description Field
The Options field in the link state advertisement header indicates which optional
capabilities are associated with the advertisement:
• Q: Enables support for QoS traffic engineering.
• E: Specifies the way AS external LSAs are flooded.
• MC: Specifies the way IP multicast datagrams are forwarded according to the
standard specifications.
• O: Specifies if opaque LSAs are supported.
• V: Specifies if OSPF extensions for class of service (CoS) and VPN are supported.
Options
The Router Options field in the link state advertisement header indicates which type
of OSPFv3 router is associated with the advertisement:
• Bit V: The router is an endpoint of one or more fully adjacent virtual links for which
the described area is the transit area. (V stands for virtual link endpoint.)
• Bit E: The router is an AS boundary router. (E stands for external.)
• Bit B: The router is an area border router. (B stands for border.)
• Bit Nt: The router is an NSSA border router that is unconditionally translating
NSSA-LSAs into AS-external-LSAs. (Nt stands for NSSA translation.). This means that
the router has its NSSA translator role area configuration set to Always.
Router Options
Main User Manual 509 Configure OSPF and OSPFv3
Fully Managed Switches M4350 Series Main User Manual