Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

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debug ip ospf

Display debug information on OSPF. Entering the debug ip ospf commands enables OSPF debugging for the first OSPF process.

Syntax

debug ip ospf process-id [bfd |event | packet | spf | database-timer rate-limit]

To cancel the debug command, use the no debug ip ospf command.

Parameters

process-id	Enter the OSPF Process ID to clear a specific process. If no Process ID is entered, all OSPF processes are cleared.
bfd	(OPTIONAL) Enter the keyword `bfd` to debug only OSPF BFD information.
event	(OPTIONAL) Enter the keyword `event` to debug only OSPF event information.
packet	(OPTIONAL) Enter the keyword `packet` to debug only OSPF packet information.
spf	(OPTIONAL) Enter the keyword `spf` to display the Shortest Path First information.
database-timer rate-limit	(OPTIONAL) Enter the keywords `database-timer rate-limit` to display the LSA throttling timer information.

Command Modes

EXEC Privilege

Supported Modes

Full—Switch

Command History

Version	Description
9.9(0.0)	Introduced on the FN IOM.
8.3.16.1	Introduced on the MXL 10/40GbE Switch IO Module.

Usage Information

The following describes the debug ip ospf command shown in the Example below.

Field	Description
8:14	Displays the time stamp.
OSPF	Displays the OSPF process ID: instance ID.
v:	Displays the OSPF version. The system supports version 2 only.
t:	Displays the type of packet sent: 1 - Hello packet 2 - database description 3 - link state request 4 - link state update 5 - link state acknowledgement
l:	Displays the packet length.
rid:	Displays the OSPF router ID.
aid:	Displays the Autonomous System ID.
chk:	Displays the OSPF checksum.
aut:	States if OSPF authentication is configured. One of the following is listed: 0 - no authentication configured 1 - simple authentication configured using the `ip ospf authentication-key` command 2 - MD5 authentication configured using the `ip ospf message-digest-key` command
auk:	If the `ip ospf authentication-key` command is configured, this field displays the key used.
keyid:	If the `ip ospf message-digest-key` command is configured, this field displays the MD5 key
to:	Displays the interface to which the packet is intended.
dst:	Displays the destination IP address.
netmask:	Displays the destination IP address mask.
pri:	Displays the OSPF priority
N, MC, E, T	Displays information available in the Options field of the HELLO packet: N + (N-bit is set) N - (N-bit is not set) MC+ (bit used by MOSPF is set and router is able to forward IP multicast packets) MC- (bit used by MOSPF is not set and router cannot forward IP multicast packets) E + (router is able to accept AS External LSAs) E - (router cannot accept AS External LSAs) T + (router can support TOS) T - (router cannot support TOS)
hi:	Displays the amount of time configured for the HELLO interval.
di:	Displays the amount of time configured for the DEAD interval.
dr:	Displays the IP address of the designated router.
bdr:	Displays the IP address of the Border Area Router.

Example

Dell#debug ip ospf 1 packet
                                             OSPF process 90, packet debugging is on
                                             
                                             Dell#
                                             08:14:24 : OSPF(100:00):
                                             Xmt. v:2 t:1(HELLO) l:44 rid:192.1.1.1
                                             aid:0.0.0.1 chk:0xa098 aut:0 auk: keyid:0 to:Gi 4/3 dst:224.0.0.5
                                             netmask:255.255.255.0 pri:1 N-, MC-, E+, T-,
                                             hi:10 di:40 dr:90.1.1.1 bdr:0.0.0.0