Displays information about one or all OSPF interfaces.
| vlan-name | Specifies a VLAN name. | 
| area-identifier | Specifies an OSPF area. | 
| enabled | Displays only OSPF enabled interfaces. | 
If no argument is specified, all OSPF interfaces are displayed.
Not applicable.
The following command displays information about one or all OSPF interfaces on the VLAN accounting:
show ospf interfaces vlan accounting
The following output displays BFD protection configuration information:
# show ospf interfaces       
VLAN      IP Address         AREA ID        Flags      Cost State   Neighbors   
HQ_10_0_2  10.0.2.2       /24 0.0.0.0         -rifb--      4/A R        1   
HQ_10_0_5  10.0.5.2       /24 0.0.0.0         -rif---      4/A BR       1       
Flags:  b – BFD protection configured, f - Interface Forwarding Enabled, 
        i - Interface OSPF Enabled, n - Multinetted VLAN, 
        p - Passive Interface, r - Router OSPF Enable,   
Cost:   A - Automatic Cost, C - Configured Cost.       
Total number of interfaces: 2
            The following output displays the BFD session state:
Interface(rif1000027): 10.0.2.2/24 Vlan: HQ_10_0_2 OSPF: ENABLED Router: ENABLED   
AreaId: 0.0.0.0  RtId: 10.0.2.2  Link Type: broadcast(auto)  Passive: No   
Cost: 4/A  Priority: 10 Transit Delay: 1   DAD State:Valid   
Hello Interval: 10s  Rtr Dead Time: 40s Retransmit Interval: 5s   
Wait Timer: 40s   
Authentication: NONE   
State: DR   Number of events: 1   
DR RtId: 10.0.2.2  DR IP addr: 10.0.2.2 BDR IP addr: 10.0.2.1   
Num Neighbor State Change to FULL : 1   
BFD Protection: On       
Neighbors:  
    RtrId: 10.0.3.1 IpAddr: 10.0.2.1  Pri: 5  Type: Auto      
    State: FULL Dr: 10.0.2.2  BDR: 10.0.2.1  Dead Time: 00:00:00:03      
    Options (0x42): Opaque LSA: Yes      
    BFD Session State: Active
        This command was first available in ExtremeXOS 10.1.
The enabled option was added in ExtremeXOS 12.2.
BFD display output was added in 15.3.2.
The D (duplicate address detected on VLAN) and T (tentative address) flags were removed in ExtremeXOS 30.1.
This command is available on platforms with Base license, or higher, as described in the Switch Engine 32.3 Feature License Requirements document.