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UANTA COMPUTER INC.
Layer 2/3/4 Managed Switch
QuantaMesh | Routing Commands 687
6.3.1.10 show ip ospf neighbor
This command displays information about OSPF neighbors. If you do not specify a neighbor IP address,
the output displays summary information in a table. If you specify an interface or tunnel, only the
information for that interface or tunnel displays.The <ip-address> is the IP address of the neighbor, and
when you specify this, detailed information about the neighbor displays. The information below only
displays if OSPF is enabled and the interface has a neighbor.
Syntax
show ip ospf neighbor [interface {<slot/port> | vlan <vlan-id>}] [<ip-address>]
Default Setting
None
Command Mode
Privileged Exec
User Exec
Display Messages
If you do not specify an IP address, a table with the following columns displays for all neighbors or
the neighbor associated with the interface that you specify:
Router ID: The 4-digit dotted-decimal number of the neighbor router.
Priority: The OSPF priority for the specified interface. The priority of an interface is a priority integer
from 0 to 255. A value of '0' indicates that the router is not eligible to become the designated router
on this network.
IP Address: The IP address of the neighbor.
Interface: The interface of the local router in slot/port format.
State: The state of the neighboring routers. Possible values are:
•
Down - initial state of the neighbor conversation - no recent information has been received
from the neighbor.
•
Attempt - no recent information has been received from the neighbor but a more concerted
effort should be made to contact the neighbor.
•
Init - an Hello packet has recently been seen from the neighbor, but bidirectional
communication has not yet been established.
•
2 way - communication between the two routers is bidirectional.
•
Exchange start - the first step in creating an adjacency between the two neighboring routers,
the goal is to decide which router is the master and to decide upon the initial DD sequence
number.
•
Exchange - the router is describing its entire link state database by sending Database
Description packets to the neighbor.
•
Loading - Link State Request packets are sent to the neighbor asking for the more recent
LSAs that have been discovered (but not yet received) in the Exchange state.