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Chapter 14 Routing
OSPF Status
14-90
Cisco 12000/10720 v3.2 Router Manager User Guide
OL-6690-01
Interface
The Interface tab displays three areas: Interface, Interface Metric and Virtual
Interface.
Interface
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.
Interface IP Address—The IP address of the OSPF interface.
Interface Area ID—Unique identifier of the area to which the interface connects.
Area ID 0.0.0.0 is used for the OSPF backbone.
Interface Type—The type of the Interface.
Interface Admin Status—The OSPF interface's administrative status. When the
value is set to enabled, it signifies that the neighbor relationships may be formed
on the interface, and the interface is advertised as an internal route to some area.
When the value is set to disabled, it signifies that the interface is external to OSPF.
Router Priority—The priority of this interface. When the value is set to 0, it
signifies that the router is not eligible to become the designated router on this
particular network.
Transit Delay—The estimated number of seconds it takes to transmit a link- state
update packet over this interface.
Interface Retransmit Interval—The number of seconds between the link-state
advertisement retransmissions, for adjacencies belonging to this interface.
This value is also used when retransmitting database description and link-state
request packets.
Hello Interval—The time interval, in seconds, between the Hello packets that the
router sends on the interface. This value must be the same for all the routers
attached to a common network.
Router Dead interval—The time interval, in seconds, during which a router's
Hello packets are not received before it's neighbors declare the router down. This
is a multiple of the Hello interval. This value must be the same for all the routers
attached to a common network.
Poll Interval—The larger time interval, in seconds, between the Hello packets sent
to an inactive non-broadcast multi-access neighbor.