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Cisco ASA Series CLI Configuration Guide
Chapter 1 Configuring OSPF
Monitoring OSPF
To monitor or display various OSPFv3 routing statistics, enter one of the following commands:
show ospf [process-id] traffic
Displays a list of different types of packets being
sent or received by a specific OSPFv2 instance.
show ospf [process-id] virtual-links
Displays OSPFv2-related virtual links
information.
show route cluster
Displays additional OSPFv2 route synchronization
information in clustering.
Command Purpose
Command Purpose
show ipv6 ospf [process-id [area-id]]
Displays general information about OSPFv3
routing processes.
show ipv6 ospf [process-id] border-routers
Displays the internal OSPFv3 routing table entries
to the ABR and ASBR.
show ipv6 ospf [process-id [area-id]]
database [external | inter-area prefix |
inter-area-router | network | nssa-external
| router | area | as | ref-lsa |
[destination-router-id] [prefix
ipv6-prefix] [link-state-id]] [link
[interface interface-name] [adv-router
router-id] | self-originate] [internal]
[database-summary]
Displays lists of information related to the OSPFv3
database for a specific router.
show ipv6 ospf [process-id [area-id]]
events
Displays OSPFv3 event information.
show ipv6 ospf [process-id] [area-id]
flood-list interface-type interface-number
Displays a list of LSAs waiting to be flooded over
an interface (to observe OSPFv3 packet pacing).
OSPFv3 update packets are automatically paced so
they are not sent less than 33 milliseconds apart.
Without pacing, some update packets could get lost
in situations where the link is slow, a neighbor
could not receive the updates quickly enough, or
the router could run out of buffer space. For
example, without pacing, packets might be
dropped if either of the following topologies exist:
• A fast router is connected to a slower router
over a point-to-point link.
• During flooding, several neighbors send
updates to a single router at the same time.
Pacing is also used between retransmissions to
increase efficiency and minimize lost
retransmissions. You also can display the LSAs
waiting to be sent out of an interface. Pacing
enables OSPFv3 update and retransmission
packets to be sent more efficiently.
There are no configuration tasks for this feature; it
occurs automatically.
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