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3Com Switch 7750 Series
Command Reference Guide – Routing Protocol Chapter 3 OSPF Configuration Commands
3-27
Field Description
Attempt
It is enabled in an NBMA environment, such as Frame Relay,
X.25 or ATM. It indicates that OSPF router does not receive the
message from a certain neighbor router within a period of time,
but still attempts to send Hello packet to the adjacent routers for
their communications with a lower frequency.
Init
It indicates that OSPF router has received Hello packet from a
neighbor router, but its IP address is not contained in the Hello
packet. Therefore, a two-way communication between them
has not been established.
2-Way
It indicates that a two-way communication between OSPF
router and neighbor router has been established. DR and BDR
can be selected in this state (or higher state).
ExStart
In this state, the router determines the sequence number of
initial database description (DD) packet used for data
exchange, so that it can obtain the latest link state information
Exchange
It indicates that OSPF router sends DD packet to its neighbor
routers to exchange link state information
Loading
In this state, OSPF router requests neighbor routers based on
the updated link state information from neighbor routers and its
expired information, and waits for response from neighbor
routers
Full
It indicates that database synchronization between the routers
that have established neighbor relation has been completed,
and their link state databases have been consistent
3.1.21 display ospf request-queue
Syntax
display ospf [ process-id ] request-queue
View
Any view
Parameter
process-id: OSPF Process ID, in the range of 1 to 65,535. If you do not specify a
process ID, this command applies to all current OSPF processes.
Description
Use the display ospf request-queue command to display the information about the
OSPF request-queue.