show bfd
Syntax
show bfd-session [<session-id>]
Description
Shows Bidirectional Forwarding Detection (BFD) information. This command displays all the current BFD sessions in the switch. Detailed output is displayed if the user provides the session number.
Command context
config
Example
When a BFD session is shared by only static route application:
Switch(config)# show bfd-session
Bidirectional Forwarding Detection (BFD) Information
Administrative Status : Enabled
Echo Source IP : 2.2.2.2
Maximum number of sessions supported : 128
Number of sessions reserved for internal use : 0
Total Number of Sessions : 1
Number of Sessions Up : 1
Number of Sessions Down : 0
Global Statistics:
Total Number of Control Packets Transmitted : 158
Total Number of Control Packets Received : 153
Total Number of Control Packets Dropped : 203
Session VLAN Source IP Destination IP Echo State Application
-------- ------ ---------------- ---------------- ---------- ----------- -----------
1 10 172.16.4.1 172.16.4.2 Enabled Up STATIC
Switch(config)#
Switch(config)#
Switch(config)# show bfd-session 1
BFD Session Information
Min Tx (sec) : 3
Min Rx (sec) : 3
Min Echo Rx (msec) : 500
Detect Multiplier : 5
Auth Mode : NONE
Password : ""
Application ID : STATIC
Local Discriminator : 1
Remote Discriminator : 1
Echo : Enabled
Local Diag : No diagnostics configured.
VLAN Source IP Destination IP State Pkt In Pkt Drop Pkt Out
-------- ---------------- ---------------- ----------- -------- -------- --------
10 172.16.4.1 172.16.4.2 Up 10 0 10
Switch(config)#
Example
When a BFD session is shared by both static route and an OSPF application:
Switch(config)# show bfd-session
Bidirectional Forwarding Detection (BFD) Information
Administrative Status : Enabled
Echo Source IP : 2.2.2.2
Maximum number of sessions supported : 128
Number of sessions reserved for internal use : 0
Total Number of Sessions : 1
Number of Sessions Up : 1
Number of Sessions Down : 0
Global Statistics:
Total Number of Control Packets Transmitted : 16
Total Number of Control Packets Received : 15
Total Number of Control Packets Dropped : 4
Session VLAN Source IP Destination IP Echo State Application
-------- ------ ---------------- ---------------- ---------- ----------- -----------
1 10 172.16.4.1 172.16.4.2 Enabled Up OSPF/STATIC
Switch(config)# show bfd-session 1
BFD Session Information
Min Tx (sec) : 3
Min Rx (sec) : 3
Min Echo Rx (msec) : 500
Detect Multiplier : 5
Auth Mode : NONE
Password : ""
Application ID : OSPF/STATIC
Local Discriminator : 1
Remote Discriminator : 1
Echo : Enabled
Local Diag : No diagnostics configured.
VLAN Source IP Destination IP State Pkt In Pkt Drop Pkt Out
-------- ---------------- ---------------- ----------- -------- -------- --------
10 172.16.4.1 172.16.4.2 Up 18 0 19
Switch(config)#