Chapter14 Routing
OSPF Status
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Cisco 12000/10720 v3.2 Router Manager User Guide
OL-6690-01
Vir Interface State—Signifies the OSPF virtual interface states.
Vir Interface Events—The number of state changes or error events on this virtual
link.
Vir Interface Status—Displays the validity or invalidity of the entry. Setting it to
'invalid' has the effect of rendering it inoperative.
Neighbor
The Neighbor tab displays two areas: Neighbor and Virtual Neighbor.

Neighbor

Neighbor IP Address—The IP address of this Neighbor.
Addressless Interface—Differentiates the addressless interfaces from the
addressed interfaces. When the value is set to zero, it signifies that the interface
has an IP address.
Neighbor Router ID—Unique identifier of the neighboring router in the
Autonomous System.
Neighbor Options—A bit mask corresponding to the neighbor's options field.
When the value is set to 0, it indicates that the area accepts and operates on
external information. If the values is zero, it signifies a stub area. When the value
is set to 1, it indicates that the system operates on the type of service metrics other
than TOS 0. If the value is zero, the neighbor ignores all the metrics except the
TOS 0 metric.
Neighbor Priority—Signifies the priority of this neighbor in the designated router.
When the value is set to 0, it signifies that the neighbor is not eligible to become
the designated router on this particular network.
Neighbor State—The state of the relationship with this Neighbor.
Neighbor Events—The number of times this neighbor relationship has changed
state, or an error has occurred.
Neighbor LS Retransmit Q Len—The current length of the retransmission queue.
NBMA Neighbor Status—Displays the validity or invalidity of the entry. Setting
it to 'invalid' has the effect of rendering it inoperative.