Reference Guide

Bidirectional Forwarding Detection (BFD) | 289
Example
FTOS#show bfd counters
Interface Tx Rx
GigabitEthernet 1/3 522 625
FTOS#
show bfd neighbors
c e
Display BFD neighbor information on all interfaces or a specified interface.
Syntax
show bfd neighbors
interface [detail]
Parameters
Defaults
None
Command Modes
EXEC
EXEC Privilege
Command
History
Version 7.5.1.0 Added support for BFD for VLAN and port-channel interfaces, ISIS,
and VRRP on E-Series.
Version 7.4.1.0 Introduced BFD on physical ports, static routes, and OSPF on E-Series.
interface
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 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).
detail
(OPTIONAL) Enter the keyword detail to view detailed information
about BFD neighbors.
Version 8.3.8.0 Added support for BFD for BGP on the S4810.
Version 8.4.1.3 Added support for BFD for BGP on the E-Series ExaScale.
Version 8.2.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Introduced on C-Series
Version 7.5.1.0 Added BFD on VLAN and port-channel interfaces on E-Series
Version 7.4.1.0 Introduced BFD on physical ports on E-Series