display ospf routing

Function

The display ospf routing command displays the OSPF routing table.

Format

display ospf [ process-id ] routing [ ip-address [ mask | mask-length ] ] [ interface interface-type interface-number ] [ nexthop nexthop-address ]

display ospf [ process-id ] routing router-id [ router-id ]

Parameters

Parameter	Description	Value
process-id	Specifies the ID of an OSPF process.	The value is an integer ranging from 1 to 65535.
ip-address	Specifies the IP address.	In dotted decimal notation.
mask	Specifies the subnet mask.	In dotted decimal notation.
mask-length	Specifies the mask length.	The value is an integer ranging from 0 to 32.
interface-type	Specifies the type of the interface.	-
interface-number	Specifies the number of the interface.	-
nexthop nexthop-address	Displays the route with the specified next hop IP address.	-
router-id router-id	Specifies the router ID of a destination router.	In dotted decimal notation.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

By using this command with different parameters, you can view the routes of a specified interface or next hop.

The command output can help you troubleshoot OSPF faults.

Example

# Display the OSPF routing table.

<sysname> display ospf routing
          OSPF Process 1 with Router ID 4.4.4.4
                   Routing Tables
 
 Routing for Network
 Destination        Cost  Type       NextHop         AdvRouter       Area
 172.16.1.0/24      4     Inter-area 192.168.2.1     2.2.2.2         0.0.0.2
 172.17.1.0/24      1     Transit    172.17.1.1      4.4.4.4         0.0.0.2
 192.168.0.0/24     2     Inter-area 192.168.2.1     2.2.2.2         0.0.0.2
 192.168.1.0/24     3     Inter-area 192.168.2.1     2.2.2.2         0.0.0.2
 192.168.2.0/24     1     Stub       192.168.2.2     4.4.4.4         0.0.0.2

 Routing for ASEs
 Destination    Cost      Type       Tag         NextHop         AdvRouter
 10.0.0.0/8     1         Type2      1           192.168.2.1     1.1.1.1

 Total Nets: 6
 Intra Area: 2  Inter Area: 3  ASE: 1  NSSA: 0

**Table 1** Description of the **display ospf routing** command output
Item	Description
Destination	Destination network
Cost	Cost of the route to the destination address
Type	Type of the destination network: Inter-area: indicates inter-area routes. Intra-area: indicates intra-area routes. Stub: indicates the routes advertised by router LSAs, which correspond to the direct routes of non-broadcast and non-NBMA networks. Transit: indicates the routes advertised by network LSAs.
NextHop	Next hop address to the destination address
AdvRouter	Advertising router
Area	Area ID
Tag	Tag of the external route
Total Nets	Total number of networks in an area, between areas, in ASE areas, and in NSSAs.
Intra Area	Total number of intra-area networks (that is, stub networks and transit networks)
Inter Area	Total number of inter-area networks
ASE	Total number of networks in the ASE area
NSSA	Total number of networks in the NSSA

# Display information about the OSPF routes to the device with the specified IP address.

<sysname> display ospf routing 10.5.6.0
          OSPF Process 1 with Router ID 3.3.3.3

 Destination : 10.5.6.0/24
 AdverRouter : 5.5.5.5                  Area      : 0.0.0.1
 Cost        : 20                       Type      : Transit
 NextHop     : 10.11.11.5               Interface : GigabitEthernet0/0/1
 Priority    : Low                      Age       : 00h00m10s
 Backup NextHop : 10.2.6.6              Backup Interface : GigabitEthernet0/0/3
 Backup Type : LFA LINK-NODE

**Table 2** Description of the **display ospf routing** *ip-address* command output
Item	Description
Interface	Outbound interface of the next hop
Priority	OSPF convergence priority: Critical High Medium Low
Age	Lifetime of a route
Backup NextHop	Address of the backup next hop
Backup Interface	Outbound interface of the backup next hop
Backup Type	Type of the backup next hop: LFA LINK: indicates that the backup route is under link protection. LFA NODE: indicates that the backup route is under node protection. LFA LINK-NODE: indicates that the backup route is under link-node dual protection.

# Display the routes to an OSPF device.

<sysname> display ospf routing router-id
          OSPF Process 1 with Router ID 1.1.1.1

                  Router Type URT Routing Tables

 RtType     Destination     Area            Cost  Nexthop         Type
 Intra-area 5.5.5.5         0.0.0.0         4     10.0.0.2        Normal
 Intra-area 4.4.4.4         0.0.0.0         3     10.0.0.2        Normal
 Intra-area 3.3.3.3         0.0.0.0         2     10.0.0.2        Normal
 Intra-area 2.2.2.2         0.0.0.0         1     10.0.0.2        Normal

**Table 3** Description of the **display ospf routing router-id** command output
Item	Description
RtType	Type of the destination network: Inter-area: indicates inter-area routes. Intra-area: indicates intra-area routes. Stub: indicates the routes advertised by router LSAs, which correspond to the direct routes of non-broadcast and non-NBMA networks. Transit: indicates the routes advertised by network LSAs.
Type	Router type: Normal ABR ASBR ABR/ASBR

# Display routes to the OSPF device with the router ID being 4.4.4.4.

<sysname> display ospf routing router-id 4.4.4.4
           OSPF Process 1 with Router ID 5.5.5.5

 Destination : 4.4.4.4                  Route Type : Intra-area
 Area        : 0.0.0.10                 AdvRouter  : 4.4.4.4
 Type        : ASBR                     Age        : 0x411c41
 URT Cost    : 1
 NextHop     : 10.1.14.4                Interface  : GigabitEthernet0/0/1
 Backup Nexthop : 10.2.13.3             Backup Interface : GigabitEthernet0/0/3
 Backup Type : LFA LINK

**Table 4** Description of the **display ospf routing router-id** command output
Item	Description
Route Type	Type of the destination network: Inter-area: indicates inter-area routes. Intra-area: indicates intra-area routes. Stub: indicates the routes advertised by router LSAs, which correspond to the direct routes of non-broadcast and non-NBMA networks. Transit: indicates the routes advertised by network LSAs.
URT Cost	Cost of the unicast routing table