OSPF Commands

protocol ospf

	protocol ospf no protocol ospf Enables Open Shortest Path First Protocol (OSPF), and unhides the related OSPF commands. The no form of the command deletes the OSPF configuration and hides the OSPF related commands.
Syntax Description	N/A
Default	Disabled
Configuration Mode	config
History	3.3.3500
Example	switch (config)# protocol ospf
Related Commands	ip routing
Notes

router ospf

	router ospf [<process-id> [vrf <vrf-name>]] no router ospf [<process-id> [vrf <vrf-name>]] Creates an ospf instance in the specified VRF and enters the ospf configuration mode. The default process ID is 1 If a VRF is not specified, the OSPF instance is created in the default VRF.
Syntax Description	process-id	OSPF instance ID
	vrf	VRF name (e.g. default)
Default	Process ID – 1 VRF – active VRF routing-context
Configuration Mode	config
History	3.3.3500
	3.6.1002	Added VRF and process ID parameters and updated Example
Example	switch (config)# router ospf 2 vrf myvrf switch (config router ospf 2)#
Related Commands
Notes	Only one OSPF instance per VRF is supported.

router-id

	router-id <ip-address> no router-id Sets Router ID for the OSPF instance. The no form of the command causes automatic election of router ID by the router.
Syntax Description	ip-address	The Router ID in IP address format
Default	The router ID is a 32-bit number assigned to the router running the OSPF protocol. This number uniquely identifies the router within an OSPF link-state database. Router ID can be configured statically. However, if it is not configured, then the default election is as follows: If a loopback interface already exists, the router ID takes the highest loopback IP address assigned to a loopback interface Otherwise, the highest IP address is elected as router ID
Configuration Mode	config ospf router
History	3.3.3500
	3.7.1100	Updated default
Example	switch (config router ospf)# router-id 10.10.10.10
Related Commands
Notes

shutdown

	shutdown no shutdown Disables the OSPF instance. The no form of the command enables the OSPF instance.
Syntax Description	N/A
Default	Enable (no shutdown)
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# shutdown
Related Commands
Note

auto-cost reference-bandwidth

	auto-cost reference-bandwidth <ref-bw> [Gbps \| Mbps] no auto-cost reference-bandwidth Configures reference-bandwidth in Gb/s (Default) or Mb/s. The no form of the command resets this parameter to its default value.
Syntax Description	ref-bw	Range: 1-4294
	Gbps	Value in Gb/s (default if not specified)
	Mbps	Value in Mb/s
Default	100Gbps
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# auto-cost reference-bandwidth 10 Gbps
Related Commands
Notes

distance

	distance <value> no distance Configures the OSPF route administrative distance. The no form of the command resets this parameter to default.
Syntax Description	value	OSPF administrative distance Range is 1-255
Default	110
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# distance 100
Related Commands
Notes

redistribute

	redistribute {bgp \| direct \| static \| ebgp \| ibgp} no redistribute {bgp \| direct \| rip \| static} Enables importing routes from other routing protocols as well as any statically configured routers into OSPF. The no form of the command disables the importing of the routes.
Syntax Description	direct	Redistributes directly connected routes
	bgp	Redistributes routes from BGP protocol
	ibgp	Redistributes IBGP routes
	ebgp	Redistributes EBGP routes
	static	Redistributes static configured routes
Default	Disable (no redistribution)
Configuration Mode	config ospf router
History	3.6.3506
Example	switch (config router ospf)# redistribute direct
Related Commands
Notes	Routes from multiple protocols can be imported in parallel.

timers throttle spf

	timers throttle spf <spf-delay> <spf-hold> no timers throttle spf Sets the OSPF throttle SPF timers. The no form of the command resets the timers to default.
Syntax Description	spf-delay	The interval by which SPF calculations delayed after a topology change reception Range: 0-100 (milliseconds)
	spf-hold	The minimum delay between two consecutive delay calculations Range: 0-1000 (milliseconds)
Default	spf-delay – 1 millisecond spf-hold – 10 milliseconds
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# timers throttle spf 100 1000
Related Commands
Notes

area default-cost

	area <area-id> default-cost <cost> no area <area-id> default-cost Specifies cost for the default summary route sent into an OSPF stub or not-so-stubby area (NSSA). The no form of the command sets the cost to the default value.
Syntax Description	area-id	OSPF area ID Range: 0-4294967295.
	cost	The cost for the default summary route Range: 1-16777215.
Default	The summary route cost is based on the area border router that generated the summary route
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# area 0 default-cost 100
Related Commands
Notes	Base cost for all calculation is 100GbE

area range

	area <area-id> range <ip-address> <prefix> [not-advertise] no area <area-id> range <ip-address> <prefix> [not-advertise] Consolidates and summarizes routes at an OSPF area boundary. The no form of the command removes the ip-prefix range from summarization.
Syntax Description	area-id	OSPF area ID Range: 0-4294967295
	not-advertise	Suppresses routes that match the specified IP address
	prefix	Network prefix (in the format of /24, or 255.255.255.0 for example)
Default	Disabled
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# area 0 range 10.10.10.10 /24
Related Commands
Notes

area stub

	area <area-id> stub [no-summary] no area <area-id> stub [no-summary] Configures an area as an OSPF stub area (an area is created if non-existent). The no form of the command removes the stub area configuration and changes the area to normal, or deletes the area (if stub is not used).
Syntax Description	area-id	OSPF area ID Range: 0-4294967295
	no-summary	Summary route will not be advertised into the stub area
Default	Summary route is advertised
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# area 0 stub
Related Commands
Note

area nssa

	area <area-id> nssa [default-information-originate [metric <m-value>] [metric-type <m-type>]] [nosummary] [translate type7 always] no area <area-id> nssa [default-information-originate ] [no-summary] [translate type7 always] Configures an area as an OSPF not-so-stubby (NSSA) area. The no form of the command removes the NSSA area configuration and changes the area to default.
Syntax Description	area-id	OSPF area ID Range: 0-4294967295
	default-information-originate	A default type7 LSA (Link State Advertisements) is generated into the NSSA area
	m-type	Metric type for OSPF Range: 1-2
	m-value	Metric value for OSPF Range: 1-65535
	no-summary	Summary route will not be advertised into the NSSA area
	translate type7 always	Type7 LSAs is translated to type5 LSAs (Link State Advertisements)
Default	Default m-type – 2 Default m-value – 10
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# area 0 nssa
Related Commands
Notes	An area can be either stub, NSSA or normal.

no area

	no area <area-id> Deletes OSPF area and its related configuration.
Syntax Description	area-id	OSPF area ID Range: 0-4294967295
Default	N/A
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# no area 1
Related Commands
Notes	The command fails if the area is attached to active interfaces

default-information originate

	default-information originate [always] [metric <m-value>] [metric-type <m-type>] no default-information originate Enables default route origination to normal areas. The no form of the command resets the parameter values to their default.
Syntax Description	always	Default route is always advertised even if the default route is not in the routing table
	metric	Route metric value. Range: 1-65535.
	metric-type	Metric type. Range: 1-2.
Default	m-value – 1 m-type – 2
Configuration Mode	config ospf router
History	3.6.8008
Example	switch (config router ospf)# default-information originate always
Related Commands
Notes	When default route origination is enabled, the router automatically becomes ASBR and advertises a default route

summary-address

	summary-address <ip-address> <prefix> [not-advertise] no summary-address <ip-address> <prefix> [not-advertise] Creates aggregate addresses for the OSPF protocol. The no form of the command disables the aggregation of the ip-address.
Syntax Description	ip-address	The summary IP address.
	not-advertise	Suppresses routes that match the specified ip-address.
	prefix	Network prefix (in the format of /24 or 255.255.255.0, for example).
Default	N/A
Configuration Mode	config ospf router
History	3.3.3500
Example	switch (config router ospf)# summary-address 10.10.10.10 /24
Related Commands
Notes	Maximum of 1500 summarized IP addresses can be configured

ip ospf cost

	ip ospf cost <cost> no ip ospf cost Sets OSPF cost of sending packet of this interface. The no form of the command resets this parameter to default.
Syntax Description	cost	The Interface cost used by the OSPF. Range is 1-65535.
Default	Reference_BW/Link_BW
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
	3.7.1100	Updated Default
Example	switch (config interface vlan 10)# ip ospf cost 100
Related Commands
Notes

ip ospf dead-interval

	ip ospf dead-interval <seconds> no ip ospf dead-interval Configures the interval during which at least one Hello packet must be received from a neighbor before the router declares that neighbor as down. The no form of the command resets this parameter to its default.
Syntax Description	seconds	The dead-interval timer Range: 1-65535 seconds
Default	40 seconds
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf dead-interval 10
Related Commands
Notes	The value must be the same for all nodes on the network.

ip ospf hello-interval

	ip ospf hello-interval <seconds> no ip ospf hello-interval Configures the interval between Hello packets that OSPF sends on the interface. The no form of the command resets this parameter to default.
Syntax Description	seconds	The Hello interval timer Range: 1-65535 seconds
Default	10
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf hello-interval 20
Related Commands
Notes	The value must be the same for all nodes on the network.

ip ospf priority

	ip ospf priority <number> no ip ospf priority Configures the priority for this OSPF interface. The no form of the command resets this parameter to default.
Syntax Description	number	The Interface priority used by the OSPF protocol Range: 0-255
Default	1
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf priority 100
Related Commands
Notes	Use the “ip ospf priority” command to set the router priority, which determines the designated router for this network. When two routers are attached to a network, both attempt to become the designated router. The router with the higher router priority takes precedence. If there is a tie, the router with the higher router ID takes precedence. A router with a router priority set to zero cannot become the designated router or backup designated router.

ip ospf network

	ip ospf network <type> no ip ospf network Sets the OSPF interface network type. The no form of the command resets the interface network type to its default.
Syntax Description	type	The network type on this interface. broadcast point-to-point
Default	Broadcast for VLAN interfaces Point-to-point for router port interfaces
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf network point-to-point
Related Commands
Notes	The network type influences the behavior of the OSPF interface. An OSPF network type is usually broadcast, which uses OSPF multicast capabilities. Under this network type, a designated router and backup designated router are elected. For point-to-point networks, there are only two neighbors and multicast is not required. All routers on the same network must have the same network type

ip ospf retransmit-interval

	ip ospf retransmit-interval <seconds> no ip ospf retransmit-interval Configures the time between OSPF link-state advertisement (LSA) retransmissions for adjacencies that belongs to the interface. The no form of the command resets this parameter to its default.
Syntax Description	seconds	The retransmit interval Range: 0-3600 seconds
Default	5
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf retransmit-interval 10
Related Commands
Notes

ip ospf passive-interface

	ip ospf passive-interface no ip ospf passive-interface Suppresses flooding of OSPF routing updates on an interface. The no form of the command reverts the status to active OSPF interface.
Syntax Description	N/A
Default	Active interface (no ip ospf passive-interface)
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf passive-interface
Related Commands
Notes

ip ospf transmit-delay

	ip ospf transmit-delay <seconds> no ip ospf transmit-delay Sets the estimated time required to send an OSPF link-state update packet. The no form of the command resets this parameter to its default.
Syntax Description	seconds	The transmit-delay interval in seconds Range: 0-3600
Default	1
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf transmit-delay 2
Related Commands
Notes

ip ospf shutdown

	ip ospf shutdown no ip ospf shutdown Disables the OSPF instance on the interface. The no form of the command enables the OSPF on this interface.
Syntax Description	N/A
Default	Enabled (no shutdown)
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf shutdown
Related Commands
Notes

ip ospf authentication

	ip ospf authentication [message-digest] no ip ospf authentication Specifies the authentication type for OSPF. The no form of the command disables the authentication.
Syntax Description	message-digest	Specifies that message-digest authentication (MD5) is used
Default	Disabled
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf authentication
Related Commands
Notes	Without message-digest option, a simple password authentication will be used Message-digest authentication can be enabled only if a key is configured

ip ospf authentication-key

	ip ospf authentication-key [<auth-type>] <password> no ip ospf authentication-key To assign a password for simple password authentication for the OSPF. The no form of the command deletes the simple password authentication key.
Syntax Description	auth-type	The authentication type: 0 – unencrypted password 7 – MD5 key
	password	Authentication password (up to 8 alphanumeric string)
Default	Unencrypted password
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf authentication-key 0 mycleartextpassword
Related Commands
Notes	When selecting an encrypted password “7”, the user must input a password encrypted with an MD5 key When selecting an unencrypted password “0”, the user must input a cleartext password. Then when examining the running-config, it exhibits the encrypted password.

ip ospf message-digest-key

	ip ospf message-digest-key <key-id> md5 [auth-type] <key> no ip ospf message-digest-key <key-id> Sets the message digest key for MD5 authentication. The no form of the command deletes the key for MD5 authentication.
Syntax Description	auth-type	The authentication type: 0 – Unencrypted password 7 – MD5 key
	key	Authentication password, up to 8 alphanumeric string
	key-id	Alphanumeric password of up to 16 bytes
Default	Unencrypted
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface)
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf message-digest-key mykeyid md5 7 mykey
Related Commands
Notes	The user cannot delete the last key until authentication is disabled.

ip ospf area

	ip ospf area <area-id> no ip ospf area Configures OSPF area of this interface (and creates the area if non-existent). The no form of the command removes the interface from the area.
Syntax Description	area-id	OSPF area ID Range: 0-4294967295
Default	N/A
Configuration Mode	config interface vlan config interface ethernet (configured as a router port interface) config interface port-channel (configured as a router port interface) config interface loopback
History	3.3.3500
Example	switch (config interface vlan 10)# ip ospf area 0
Related Commands
Notes

show ip ospf

	show ip ospf [<process-id> [vrf <vrf-name>]] Displays general OSPF configuration on specific VRF and status.
Syntax Description	process-id	OSPF instance ID
	vrf	VRF instance
Default	Process ID – 1 VRF – active VRF routing-context
Configuration Mode	Any command mode
History	3.3.3500
	3.6.1002	Added VRF and process ID parameters and updated Example
Example
switch (config)# show ip ospf 2 vrf myvrf Routing Process 2 with ID 2.2.2.2 myvrf Stateful High Availability is not supported Graceful-restart is not supported Supports only single TOS (TOS 0) route Opaque LSA not supported OSPF Admin State is enabled Redistributing External Routes: Disabled Administrative distance 110 Reference Bandwidth is 40 Gbps Initial SPF schedule delay 1 msecs SPF Hold time 5000 msecs Maximum paths to destination 64 Router LSA with maximum metric is not supported Condition: Always Number of external LSAs 0, checksum sum 0 Number of opaque AS LSAs 0, checksum sum 0 Number of areas is 1, 1 normal, 0 stub, 0 nssa Number of active areas is 1, 1 normal, 0 stub, 0 nssa Area (0.0.0.0) (Active) Interfaces in this area: 2 Active Interfaces: 2 Passive Interfaces: 0 SPF Calculation has run 6 times This area is Normal area Number of LSAs: 3, checksum sum 161346
Related Commands
Notes

show ip ospf border-routers

	show ip ospf border-routers [vrf <vrf-name>] Displays routing table entries to an Area Border Routers.
Syntax Description	vrf	OSPF routing table entries to an Area Border Routers on specific VRF
Default	VRF – active VRF routing-context
Configuration Mode	Any command mode
History	3.3.3500
	3.6.1002	Added VRF parameter and updated Example
Example
switch (config)# show ip ospf border-routers vrf myvrf OSPF Process ID 2, vrf myvrf Internal Routing Table Codes: i - Intra-area route, I - Inter-area route i 1.1.1.1 [0] ABR Area: 0.0.0.0, Next Hop: 21.21.21.1
Related Commands
Notes

show ip ospf database

	show ip ospf database [summary] [<process-id> <area-id> [<link-state-id>]] [adv-router <ip-address> \| self-originated] [vrf <vrf-name>] Displays the OSPF database.
Syntax Description	adv-router <ip-address>	Filters per advertise router
	area-id	Filters the command per OSPF area ID Range: 0-4294967295
	link-state-id	The link state ID
	self-originated	Self Originate
	summary	Summarizes the output of the OSPF database
	process-id	Displays OSPF database on specific instance ID
	vrf	Displays OSPF database on specific VRF
Default	Process ID – 1 VRF – active VRF routing-context
Configuration Mode	Any command mode
History	3.3.3500
History	3.6.1002	Added VRF and process ID parameters and updated Example
Example	switch (config)# show ip o
Related Commands
switch (config)# show ip ospf database 2 vrf myvrf OSPF Router with ID (2.2.2.2) (Process ID 2 VRF myvrf) Router Link States (Area 0.0.0.0) ----------------------------------------- Link ID ADV Router Age Seq Checksum LinkCount 2.2.2.2 2.2.2.2 1150 0x80000006 0xbd2a 3 1.1.1.1 1.1.1.1 1152 0x80000006 0xf7f5 3 Network Link States (Area 0.0.0.0) ----------------------------------------- Link ID ADV Router Age Seq Checksum 21.21.21.2 2.2.2.2 1150 0x80000003 0xbb26
Notes

show ip ospf interface

	show ip ospf interface [<process-id>] [vlan <vlan-id> \| Ethernet <slot/port \| port-channel <number>] [brief] Displays the OSPF related interface configuration.
Syntax Description	brief	Gives a brief summary of the output
	process-id	Displays OSPF interface configuration on specific instance ID
	vlan <vlan-id>	Displays OSPF interface configuration and status per VLAN interface
	vrf	Displays OSPF interface configuration on specific VRF
Default	Process ID – 1 VRF – active VRF routing-context
Configuration Mode	Any command mode
History	3.3.3500
	3.6.1002	Added VRF and process ID parameters and updated Example
	3.6.4070	Added Ethernet variable
Example
switch (config) # show ip ospf interface 2 vrf myvrf Interface Vlan is 21 Enabled, line protocol is Up IP address 21.21.21.2, Mask 255.255.255.0 [primary] IP address 30.30.30.30, Mask 255.255.255.0 Process ID 2 VRF myvrf, Area 0.0.0.0 OSPF Interface Admin State is enabled State DESIGNATED ROUTER, Network Type BROADCAST, Cost 10 Transmit delay 1 sec, Router Priority 1 DR is 2.2.2.2 Backup Designated Router is 1.1.1.1 Timer intervals (secs): Hello 10, Dead 40, Wait 40, Retransmit 5 No authentication Number of opaque link LSAs: 0, checksum sum 0 switch (config) # show ip ospf interface 2 vrf myvrf brief OSPF Process ID 2 VRF myvrf Total number of interface: 2 Interface Id Area Cost State Neighbors Status Vlan21 0.0.0.0 10 Enabled 1 Up Ethernet1/22 0.0.0.0 1 Enabled 1 Up
Related Commands
Notes

show ip ospf neighbors

	show ip ospf [vrf <vrf-name>] neighbors [vlan <vlan-id> \| interface <name>] [<neighbor ip address>] Displays the OSPF related interface neighbor configuration.
Syntax Description	vlan-id	Displays OSPF interface configuration and status per VLAN interface
	neighbor ip address	Filers the output per a specific OSPF neighbor
	vrf	Displays OSPF interface neighbor configuration on specific VRF
Default	VRF – active VRF routing-context
Configuration Mode	Any command mode
History	3.3.3500
	3.6.1002	Added VRF parameter and updated Example
	3.6.4070	Added support for BFD
Example
switch (config) # show ip ospf neighbors vrf myvrf Neighbor 1.1.1.1, interface address 21.21.21.1 In the area 0.0.0.0 via Interface Vlan 21 Neighbor priority is 1, State is FULL DR is 2.2.2.2 Backup Designated Router is 1.1.1.1 Options 2 Dead timer due in 36 Neighbor 1.1.1.1, interface address 22.22.22.1 In the area 0.0.0.0 via 1/22 Neighbor priority is 1, State is FULL No designated router on this network No backup designated router on this network Options 2 Dead timer due in 36 switch (config) # show ip ospf neighbors 1/22 vrf myvrf Neighbor 1.1.1.1, interface address 22.22.22.1 In the area 0.0.0.0 via 1/22 Neighbor priority is 1, State is FULL No designated router on this network No backup designated router on this network Options 2 Dead timer due in 29
Related Commands
Notes	BFD session state is displayed as: established, failed or not established. When BFD is not defined in the command, it is not displayed in the output.

show ip ospf request-list

	show ip ospf request-list <neighbor-id> {vlan <vlan-id> \| ethernet <slot/port> \| port-channel <id>} [vrf <vrf-name>] Displays the OSPF list of all link-state advertisements (LSAs) requested by a router.
Syntax Description	neighbor-id	Filers the output per a specific OSPF neighbor
	vlan-id	Filers the output per a specific VLAN ID
	vrf <vrf-name>	Displays OSPF request-list on specific VRF
Default	vrf – active VRF routing-context
Configuration Mode	Any command mode
History	3.3.3500
Example
switch (config) # show ip ospf request-list 4.4.4.4 vlan 7 OSPF Router with ID (7.7.7.1) (Process ID 1) Neighbor 4.4.4.4, Interface vlan 7, Address 7.7.7.2 42 LSAs on request-list Type LS-ID ADV-RTR Seq No Age Checksum 1 10.10.10.23 10.10.10.23 0x8000012f 37 0xa7b9 1 10.10.10.24 10.10.10.24 0x8000012f 38 0xbd61
Related Commands
Notes

show ip ospf retransmission-list

	show ip ospf retransmission-list <neighbor-id> {vlan <vlan-id> \| ethernet <slot/port> \| port-channel <id>} [vrf <vrf-name>] Displays the OSPF list of all link-state advertisements (LSAs) waiting to be resent to neighbors.
Syntax Description	neighbor-id	Filers the output per a specific OSPF neighbor
	vrf <vrf-name>	Displays OSPF retransmission-list on specific VRF
	vlan-id	Filers the output per a specific VLAN ID
Default	vrf – active VRF routing-context
Configuration Mode	Any command mode
History	3.3.3500
Example
switch (config) # show ip ospf retransmission-list 4.4.4.4 vlan 6 OSPF Router with ID (7.7.7.1) (Process ID 1) Neighbor 4.4.4.4, Interface vlan 6, Address 6.6.6.2 Link state retransmission due in 3780 msec, Queue length 207 Type LS-ID ADV-RTR Seq No Age Checksum 3 22.22.22.22 7.7.7.1 0x80000045 0 0xaaf4 3 192.168.23.2 7.7.7.1 0x80000001 353 0x6752
Related Commands
Notes

show ip ospf summary-address

	show ip ospf summary-address [vrf <vrf-name>] Displays a list of all summary address redistribution information configured on the OSPF.
Syntax Description	vrf <vrf-name>	Display summary address and area range information on specific VRF
Default	vrf – active VRF routing-context
Configuration Mode	Any command mode
History	3.3.3500
Example
switch (config)# show ip ospf summary-address OSPF Process ID 1 VRF default Network Mask Area Advertise LSA type Metric Tag -------- ----- ----- ---------- --------- ------- ----- 66.66.66.0 255.255.255.0 0.0.0.1 Advertise Type 3 Auto N/A 66.66.66.0 255.255.255.0 0.0.0.1 Advertise Type 7 Auto N/A 55.55.55.0 255.255.255.0 0.0.0.5 Advertise Type 3 Auto N/A 33.33.0.0 255.255.0.0 N/A Advertise Type 5 Auto N/A 44.44.0.0 255.255.0.0 N/A Advertise Type 5 Auto N/A
Related Commands
Notes

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protocol ospf

router ospf

router-id

shutdown

auto-cost reference-bandwidth

distance

redistribute

timers throttle spf

area default-cost

area range

area stub

area nssa

no area

default-information originate

summary-address

ip ospf cost

ip ospf dead-interval

ip ospf hello-interval

ip ospf priority

ip ospf network

ip ospf retransmit-interval

ip ospf passive-interface

ip ospf transmit-delay

ip ospf shutdown

ip ospf authentication

ip ospf authentication-key

ip ospf message-digest-key

ip ospf area

show ip ospf

show ip ospf border-routers

show ip ospf database

show ip ospf interface

show ip ospf neighbors

show ip ospf request-list

show ip ospf retransmission-list

show ip ospf summary-address