Tip

This is the documentation for the 20.02 version. Looking for the documentation of the latest version? Have a look here.

OSPF Debugging Information

The following debugging commands are available in config-ospf mode. Messages will be logged in accordance with the settings in Logging.

debug event:

Enable debugging information for OSPF events.

debug nssa:

Enable debugging information for OSPF Not-So-Stubby Area information.

debug sr:

Enable debugging information for OSPF Segment Routing information.

debug te:

Enable debugging information for OSPF Traffic Engineering information.

debug (ism|nsm) (events|status|timers):

Enables State Machine debugging.

ism:

Enable debugging information for the Interface State Machine.

nsm:

Enable debugging information for the Neighbor State Machine.

For either of the above state machines, several types of debugging information are available:

events:

Enable event debugging for the chosen state machine.

status:

Enable status debugging for the chosen state machine.

timers:

Enable timer debugging for the chosen state machine.

debug lsa (flooding|generate|install|refresh):

Enables Link State Advertisement debugging.

flooding:

Enables debugging for LSA flooding.

generate:

Enables debugging for LSA generation.

install:

Enables debugging for LSA installation and deletion.

refresh:

Enables debugging for LSA refresh.

debug packet (dd|hello|ls-acknowledgment|ls-request|ls-update) (send|recv) [detail]:

Enables packet-level debugging.

dd:

Debug database description packets.

hello:

Debug OSPF hello packets.

ls-acknowledgment:

Debug LSA acknowledgment packets.

ls-request:

Debug LSA request packets.

ls-update:

Debug LSA update packets.

Packet debugging entries are limited to a single direction:

send:

Debug packets sent by this router.

recv:

Debug packets received by this router.

Optionally, increased detail may be added to debugging messages by use of the detail parameter.

debug zebra (interface|redistribute):

Enables OSPF-specific debugging for the dynamic routing manager daemon.

interface:

Debug dynamic routing manager interface information.

redistribute:

Debug dynamic routing manager route redistribution information.