Displaying information on neighbor routers, Figure 20-18 ospf neighbor information – LevelOne GTL-2690 User Manual

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Configuring the Open Shortest Path First Protocol

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Displaying Information on Neighbor Routers

You can display about neighboring routers on each interface within an OSPF area.

Field Attributes

ID – Neighbor’s router ID.
Priority – Neighbor’s router priority.
State – OSPF state and identification flag.

States include:
- Down – Connection down
- Attempt – Connection down, but attempting contact (non-broadcast networks)
- Init – Have received Hello packet, but communications not yet established
- Two-way – Bidirectional communications established
- ExStart – Initializing adjacency between neighbors
- Exchange – Database descriptions being exchanged
- Loading – LSA databases being exchanged
- Full – Neighboring routers now fully adjacent
Identification flags include:
- D – Dynamic neighbor
- S – Static neighbor
- DR – Designated router
- BDR – Backup designated router

Address – IP address of this interface.

Web - Click Routing Protocol, OSPF, Neighbor Information.

Figure 20-18 OSPF Neighbor Information

CLI - This shows a designated router and backup designated router as neighbors.

Console#show ip ospf neighbor

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ID Pri State Address
--------------- ------ ---------------- ---------------
10.2.44.5 1 FULL/DR 10.2.44.88
10.2.44.6 2 FULL/BDR 10.2.44.88

Console#

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