C
HAPTER
20
| Unicast Routing
Configuring the Open Shortest Path First Protocol (Version 2)
– 538 –
DISPLAYING
INFORMATION ON
NEIGHBORING
ROUTERS
Use the Routing Protocol > OSPF > Information (Neighbor) page to display
information about neighboring routers on each interface.
CLI REFERENCES
â—† "show ip ospf neighbor" on page 1080
PARAMETERS
These parameters are displayed in the web interface:
◆ Process ID – Process ID as configured in the Network Area
configuration screen (see page 504).
◆ ID – Neighbor’s router ID.
◆ Priority – Neighbor’s router priority.
◆ State – OSPF state and identification flag.
States include:
â–
Down – Connection down
â–
Attempt – Connection down, but attempting contact (non-broadcast
networks)
â–
Init – Have received Hello packet, but communications not yet
established
â–
Two-way – Bidirectional communications established
â–
ExStart – Initializing adjacency between neighbors
â–
Exchange – Database descriptions being exchanged
â–
Loading – LSA databases being exchanged
â–
Full – Neighboring routers now fully adjacent
Identification flags include:
â–
D – Dynamic neighbor
â–
S – Static neighbor
â–
DR – Designated router
â–
BDR – Backup designated router
◆ Address – IP address of this interface.
◆ Interface – A Layer 3 interface on which OSPF has been enabled.
WEB INTERFACE
To display information about neighboring routers stored in the link state
database:
1. Click Routing Protocol, OSPF, Information.
2. Click Neighbor.