564 CHAPTER 19: OPEN SHORTEST PATH FIRST (OSPF)
ip ospf neighbors
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display
For CoreBuilder 9000: Applies to Layer 3 switching modules only.
Displays information about currently defined nei ghbors in an OSPF area.
Valid Minimum Abbreviation
ip o n d
Fields in the IP OSPF Neighbors Di splay
Field Description
Flags Neighbor identification flags:
D — Dynamic neighbor
S — Static neighbor
BDR — Backup designated router
DR — Designated router
Example: [S, BDR] + [D, DR] is a static neighboring backup
designated router and a dynamic neighboring designated router
Indx Interface index that corresponds to the interface to which a
neighbor belongs
Neighbor Addr Interface address of neighbor
Pri Neighbor’s OSPF rout er priority
ReqQ Number of LSAs being requested from neighbor
Router ID Neighbor’s OSPF router ID
RxQ Number of LSAs in local retransmit queue to the neighbor
State Neighbor’s adjacency:
Down — No recent data received from neighbor, connection
is down.
Attempt — Only used on nonbroadcast networks. No recent
data received from neighbor (will attempt to contact).
Init — Have recently seen Hello packet from neighbor;
however, two-way communication has not been established.
Two-way — Bidirectional communication has been
established.
ExStart — Taking initial step to create adjacency between
neighboring routers.
Exchange — Database descriptions are being exchanged.
Loading — LSA databases are being exchanged.
Full — Neighboring routers are fully adjacent.
SumQ Number of LSAs in LSA summary queue for the neighbor