H3C S3610-28P Operation Manual page 385

Operation Manual – IPv4 Routing
H3C S3610&S5510 Series Ethernet Switches
VIII. Formats of LSAs
1) Router LSA
Figure 3-16 Router LSA format
Major fields:
Link State ID: ID of the router that originated the LSA.
V (Virtual Link): Set to 1 if the router that originated the LSA is a virtual link
endpoint.
E (External): Set to 1 if the router that originated the LSA is an ASBR.
B (Border): Set to 1 if the router that originated the LSA is an ABR.
# links: Number of router links (interfaces) to the area, described in the LSA.
Link ID: Determined by Link type.
Link Data: Determined by Link type.
Type: Link type. A value of 1 indicates a point-to-point link to a remote router; a
value of 2 indicates a link to a transit network; a value of 3 indicates a link to a stub
network; a value of 4 indicates a virtual link.
#TOS: Number of different TOS metrics given for this link.
metric: Cost of using this router link.
TOS: IP Type of Service that this metric refers to.
TOS metric: TOS-specific metric information.
2) Network LSA
A Network LSA is originated by the DR on a broadcast or NBMA network. The LSA
describes all routers attached to the network.
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Chapter 3 OSPF Configuration