Reference Guide

Bidirectional Forwarding Detection (BFD) | 293
Parameters
Defaults
None
Command Modes
EXEC Privilege
Command
History
Related
Commands
debug bfd
c e
Enable BFD debugging.
Syntax
debug bfd
{detail | event | packet} {all | interface} [mode] [count number]
Parameters
interface
(OPTIONAL) Enter one of the following keywords and slot/port or number
information:
For a 1-Gigabit Ethernet interface, enter the keyword
gigabitethernet
followed by the slot/port information.
For a 10-Gigabit Ethernet interface, enter the keyword
tengigabitethernet followed by the slot/port information.
For a SONET interface, enter the keyword
sonet followed by the slot/
port information.
For a port-channel interface, enter the keyword
port-channel followed
by a number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale, and 1 to
512 for ExaScale
For VLAN interfaces, enter the keyword
vlan followed by a number
from 1 to 4094. For ExaScale VLAN interfaces, the range is 1-2730
(VLAN IDs can be 0-4093).
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.7.1.0 Introduced on C-Series
Version 7.5.1.0 Added support for VLAN and port-channel interfaces on E-Series
Version 7.4.1.0 Introduced on E-Series
show bfd counters Display BFD counter information.
detail
(OPTIONAL) Enter this keyword to display detailed information about BFD
packets.
event
(OPTIONAL) Enter this keyword to display information about BFD state.
The
mode option is not available with this option.
packet
(OPTIONAL) Enter the keyword packet to display brief information about
control packets.
all
Enter this keyword to enable debugging on all interfaces. The count option is
not available with this option.