Display Bidirectional Forwarding Detection (BFD) configuration for a port, VLAN, or loopback on an IPv4 interface.
show ip bfd interfaces gigabitethernet {slot/port[/sub-port][-slot/port[/sub-port]][,...]}
show ip bfd interfaces gigabitethernet vrf WORD<1-16>
show ip bfd interfaces gigabitethernet vrfids WORD<0-512>
show ip bfd interface loopback <1-256>
show ip bfd interfaces vlan <1-4059>
show ip bfd interfaces vlan vrf WORD<1-16>
show ip bfd interfaces vlan vrfids WORD<0-512>
Identifies the slot and port in one of the following formats: a single slot and port (slot/port), a range of slots and ports (slot/port-slot/port), or a series of slots and ports (slot/port,slot/port,slot/port). If the platform supports channelization and the port is channelized, you must also specify the sub-port in the format slot/port/sub-port.
Specifies the VLAN ID in the range of 1 to 4059. By default, VLAN IDs 1 to 4059 are configurable and the system reserves VLAN IDs 4060 to 4094 for internal use. On switches that support the vrf-scaling and spbm-config-mode boot configuration flags, if you enable these flags, the system also reserves VLAN IDs 3500 to 3998. VLAN ID 1 is the default VLAN and you cannot create or delete VLAN ID 1.
User EXEC
The show ip bfd interfaces command displays the following information:
| 
                                 Output field  | 
                            
                                 Description  | 
                        
|---|---|
| 
                                 VLAN  | 
                            
                                 Specifies the VLAN ID. This field displays only in output for VLAN interfaces.  | 
                        
| 
                                 PORT  | 
                            
                                 Specifies the port number. This field displays only in output for GigabitEthernet interfaces.  | 
                        
| 
                                 INTF ID  | 
                            
                                 Specifies the loopback interface ID. This field displays only in output for Loopback interfaces.  | 
                        
| 
                                 STATUS  | 
                            
                                 Specifies whether BFD is enabled on the interface.  | 
                        
| 
                                 MIN_RX  | 
                            
                                 Specifies the receive interval in milliseconds.  | 
                        
| 
                                 INTERVAL  | 
                            
                                 Specifies the transmit interval in milliseconds.  | 
                        
| 
                                 MULTIPLIER  | 
                            
                                 Specifies the multiplier used to calculate the amount of time BFD waits before declaring a receive timeout.  | 
                        
| 
                                 VRF-ID  | 
                            
                                 Specifies a VRF ID.  | 
                        
The following example displays VLAN interface configuration information for BFD.
Switch:1>show ip bfd interfaces vlan 11
==========================================================================================
                                    Vlan Bfd
==========================================================================================
VLAN       STATUS     MIN_RX     INTERVAL   MULTIPLIER      VRF-ID
------------------------------------------------------------------------------------------
11         enable     200        200        3               0
 
            
Switch:1>enable
Switch:1#show ip bfd interfaces loopback
================================================================================
                          Circuitless IP Interface Bfd
================================================================================
INTF ID    STATUS     MIN_RX     INTERVAL   MULTIPLIER      VRF-ID
--------------------------------------------------------------------------------
1          enable     200        200        3               0
2          enable     200        200        3               2